Journal articles: 'Vegetables - Post harvest tecnology'

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Clausén, Maria, Siyu Huang, Sinan C. Emek, Ingegerd Sjöholm, and Hans-Erik Åkerlund. "Post harvest improvement of zeaxanthin content of vegetables." Journal of Food Engineering 98, no. 2 (May 2010): 192–97. http://dx.doi.org/10.1016/j.jfoodeng.2009.12.025.

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Prange, R. K. "PRE-HARVEST, HARVEST AND POST-HARVEST STRATEGIES FOR ORGANIC PRODUCTION OF FRUITS AND VEGETABLES." Acta Horticulturae, no. 933 (March 2012): 43–50. http://dx.doi.org/10.17660/actahortic.2012.933.3.

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Attri, B. L., and Abha Singh. "Post-harvest technological gaps in handling vegetables in Odisha." Progressive Horticulture 50, no. 1and2 (2018): 114. http://dx.doi.org/10.5958/2249-5258.2018.00027.1.

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Schouten, S. P. "Post-harvest diseases and disorders of fruits and vegetables." Scientia Horticulturae 46, no. 1-2 (February 1991): 171–72. http://dx.doi.org/10.1016/0304-4238(91)90103-6.

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Ruffo Roberto, Sergio, Khamis Youssef, Ayat Farghily Hashim, and Antonio Ippolito. "Nanomaterials as Alternative Control Means Against Postharvest Diseases in Fruit Crops." Nanomaterials 9, no. 12 (December 10, 2019): 1752. http://dx.doi.org/10.3390/nano9121752.

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Post-harvest diseases of fruit and vegetables have to be controlled because of the high added value of commodities and the great economic loss related to spoilage. Synthetic fungicides are the first choice worldwide to control post-harvest diseases of fruit and vegetables. However, several problems and constraints related to their use have forced scientists to develop alternatives control means to prevent post-harvest diseases. Physical and biological means, resistance inducers, and GRAS (generally recognized as safe) compounds are the most important alternatives used during the last 20 years. Recently, nanomaterial treatments have demonstrated promising results and they are being investigated to reduce the utilization of synthetic fungicides to control post-harvest rot in fruit and vegetables. The collective information in this review article covers a wide range of nanomaterials used to control post-harvest decays related to each selected fruit crop including grape, citrus, banana, apple, mango, peach, and nectarine. Other examples also used are apricot, guava, avocado, papaya, dragon, pear, longan, loquat, jujubes, and pomegranate fruits.

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Kumar, Mukesh, Raj Singh, and Indu Sharma. "Integrated Management for Post-Harvest Diseases of Fruits and Vegetables." Bio Science Research Bulletin 37, no. 1 (2021): 17–22. http://dx.doi.org/10.5958/2320-3161.2021.00005.5.

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Kakde, Umesh, and Hemalata Kakde. "Incidence of post-harvest disease and airborne fungal spores in a vegetable market." Acta Botanica Croatica 71, no. 1 (April 1, 2012): 147–57. http://dx.doi.org/10.2478/v10184-011-0059-0.

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Incidence of post-harvest disease and airborne fungal spores in a vegetable marketThe sampling of bioaerosols has been carried out using a Rotorod sampler as well as by exposing culture plates. The screening of some common vegetables was also done for the isolation of fungi as market pathogens to study post-harvest diseases. Altogether, fifty nine fungal spore types and 78 species of 33 genera belonging to different groups were recorded respectively on the rotorod strips and on exposed Petri dishes. Many saprophytic and pathogenic fungi were found to be associated with sampled vegetables from the market. In all forty-six fungal species belonging to 26 genera were recovered from five varieties of vegetables collected from the samemarket. The most dominant forms of fungi were ofAspergillusfollowed byCladosporium, Penicillium, Alternaria, Fusarium, Curvularia, Trichoderma, andRhizopus. Aspergillus niger, A.flavus, A. fumigatus, Penicillium spp.andCladosporium herbarum, found to be dominant during the period of investigation. Important mycotoxin-producing fungi such asA. flavus, A. fumigatusandFusarium moniliformewere isolated from the vegetables collected from the market.

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Giacomin, Renata Mussoi, Leonel Vinícius Constantino, Alison Fernando Nogueira, Maria Beatriz Cadato Ruzza, Ariele Maria Morelli, Kelvin Shinohata Branco, Lais Martins Rossetto, Douglas Mariani Zeffa, and Leandro Simões Azeredo Gonçalves. "Post-Harvest Quality and Sensory Evaluation of Mini Sweet Peppers." Horticulturae 7, no. 9 (September 3, 2021): 287. http://dx.doi.org/10.3390/horticulturae7090287.

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Sweet pepper (Capsicum annuum L.) is one of the most consumed vegetables in the world, being recognized as a food with high nutritional value. Recently, the market for sweet and colorful mini peppers has increased, especially among the most demanding consumers in the novelties in vegetables and functional foods. In this sense, we evaluated mini sweet peppers genotypes (Akamu, Kaiki, Kalani, Kaolin e Moke from Isla® seeds) regarding the physical-chemical, nutritional and sensory analysis aspects. A wide variability was observed among genotypes, highlighting the Kalani genotype for total carotenoids, and the genotypes Akamu, Kaiki and Kaolin for phenolic totals content and antioxidant activity. Moke and Kaolin showed higher vitamin C content and fruit firmness. Based on sensory analysis, Kalani, Kaiki, Kaolin and Akamu obtained greater global acceptance. The genotypes can be considered an important marketing strategy of mini sweet peppers trade, associating different shapes, colors and nutritional quality.

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Riew Tomm, Tiago Fernando, Edmilson Igor Bernardo Almeida, Kessia Tenório Figueirinha, Lusiane De Sousa Ferreira, Márcia Maria De Souza Gondim, and Deucleiton Jardim Amorim. "Origin and post-harvest losses of vegetables in the microregion of Chapadinha, Maranhão, Brazil." REVISTA AGRO@MBIENTE ON-LINE 12, no. 3 (October 29, 2018): 200. http://dx.doi.org/10.18227/1982-8470ragro.v12i3.5026.

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Research involving estimation of post-harvest losses of vegetables is limited in the state of Maranhão (MA), however, they are essential to identify of causes of losses, as well as for reducing them. The objective of the current study was to describe the cultivation and post-harvest losses of vegetables in the municipalities of Anapuru, Belágua, Chapadinha, Mata Roma, São Benedito and Urbano Santos, state of Maranhão, northern Brazil. The information was obtained by questionnaires given to the traders from the main vegetable trading centres for each municipality. The questions covered the socioeconomic aspects of handling, transportation, storage and commercialization of vegetables. While many traders had a full secondary education (37%), they have little technical knowledge of production, management (83%) and marketing (82%) of vegetables. Cultivation is carried out mainly in greenhouses (77%), with many vegetables coming from other states (89%), such as Ceará, via asphalted roads (100%). Physiological disorders, such as rapid maturation, wilting and budding, were the main causes of loss. Rank losses, in order of decreasing losses were: tomato (18.38 ± 0.39%) > potato (13.82 ± 0.11%) > bell pepper (10.13 ± 0.07%) > carrot (9.35 ± 0), 09%) > onion (7.31 ± 0.15%) > lettuce (6.16 ± 0.15%). The losses were significant and there is a clear need for training on good post-harvest practices, effective management of the quantity offered, and government incentives to expand the olericulture in the Chapadinha microregion.

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Rajapaksha, Leelananda, DMC Champathi Gunathilake, SM Pathirana, and TN Fernando. "Reducing post-harvest losses in fruits and vegetables for ensuring food security – Case of Sri Lanka." MOJ Food Processing & Technology 9, no. 1 (February 2, 2021): 7–16. http://dx.doi.org/10.15406/mojfpt.2021.09.00255.

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In Sri Lanka, 70% of 21 million population live in non-urban areas, and agriculture provides livelihood for approximately 40% of them. The agricultural marketing process in the country is a complex operation due to services and functions involved in moving a crop product from where it was produced to where it would finally be consumed. Further, with a wide range of agricultural crops being produced, post-harvest handling process create different degrees of quantitative and qualitative losses in a complex market chain, which are estimated at 20% to 40% for vegetables and 30% - 40% for fruits. Improper and non-scientific post-harvest practices and handling, gaps in integration of cold chain practices & elements with post-harvest process, and lack of knowledge & awareness on many related aspects at grass root farmer level etc. appear to contribute to losses that finally prevent due economic benefits reaching the small-scale producer. In order to increase the effectiveness of post-harvest process handling of fruit and vegetables, appropriate corrective measures targeting small scale producers as well as commercial scale producers need to be popularized and practiced. At small scale producer level, promotion of appropriate low-cost post-harvest practices and procedures, facilitating low-cost cold chain elements and user-friendly information flow mechanism on market situation would certainly help avoid some of the steps that lead to losses. Monitoring system of commercial post-harvest handling process that ensure scientific bulk handling, storage and transportation of fruit and vegetables, properly designed economic centers with well regulated environmentcontrolled storages etc. would greatly reduce loses in bulk handling, ensuring better food security in the island.

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Mitrannavar, D. H., and R. A. Yeledhalli. "Determinants of Post-harvest Losses of Fruits and Vegetables in Karnataka." Indian Journal of Economics and Development 12, no. 1 (2016): 179. http://dx.doi.org/10.5958/2322-0430.2016.00021.4.

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Bhat, K. A., S. D. Masood, N. A. Bhat, M. Ashraf Bhat, S. M. Razvi, M. R. Mir, Sabina Akhtar, N. Wani, and M. Habib. "Current Status of Post Harvest Soft Rot in Vegetables: A Review." Asian Journal of Plant Sciences 9, no. 4 (May 1, 2010): 200–208. http://dx.doi.org/10.3923/ajps.2010.200.208.

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Tadesse, F. "POST-HARVEST LOSSES OF FRUITS AND VEGETABLES IN HORTICULTURAL STATE FARMS." Acta Horticulturae, no. 270 (May 1991): 261–70. http://dx.doi.org/10.17660/actahortic.1991.270.31.

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Fallik, Elazar, and Zoran Ilić. "The Influence of Physical Treatments on Phytochemical Changes in Fresh Produce after Storage and Marketing." Agronomy 11, no. 4 (April 16, 2021): 788. http://dx.doi.org/10.3390/agronomy11040788.

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More food with high nutritional content will be needed to feed the growing global human population, which is expected to reach 10 billion by 2050. Fruits and vegetables contain most of the minerals, micronutrients, and phytonutrients essential for human nutrition and health. The quantity of these phytochemicals depends on crop genetics, weather and environmental factors, growth conditions, and pre-harvest and post-harvest treatments. These phytochemicals are known to have anti-cancer properties and to regulate immunity, in addition to hypolipidemic, antioxidant, anti-aging, hypotensive, hypoglycemic, and other pharmacological properties. Physical treatments have been reported to be effective for managing several post-harvest diseases and physiological disorders. These treatments may affect the external, internal, and nutritional qualities of fruits and vegetables. Therefore, the aim of this review is to summarize the information recently reported regarding the use of physical treatments applied either directly or in combination with other means to maximize and maintain the phytochemical content of fresh and fresh-cut or processed fruits and vegetables.

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Kumari, Meera, Shoji Lal Bairwa, Lokesh Kumar Meena, and Sk M. Rahman. "Availability and Post-harvest losses of fruits and vegetable in Bihar: Economic Analysis." International Journal of Agricultural Invention 1, no. 02 (December 31, 2016): 207–12. http://dx.doi.org/10.46492/ijai/2016.1.2.15.

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Bihar is the rich state with abundance natural resources and wide range of diversity in agriculture in comparison to other growing states of the country.Horticultural crops constitute a significant component of total agricultural production of the country and cover nearly 11.6 million ha area with a total production of over 91 million tonnes per year. Production of fruits and vegetables play an important role in generating employment, income and meeting household nutritional security. The combined annual production of fruits and vegetables in India is likely to cross 377 million tonnes (MT) mark by 2021 from the current level of over 227 MT. However, the projected production of fruits and vegetables would only cater to domestic demand leaving no scope for growth on export front due to the huge wastage would continue to rise simultaneously in absence of on-farm processing facilities. Post-harvest losses are very high in fruit, vegetables and root crops as they are much less hardy and are quickly perishable, and if care is not taken in their harvesting, handling and transport, they soon decay and become unfit for human consumption. The importance of post-harvest management for fruit and vegetable trade should not be ignored. New strategies need to be developing to promote adoption of post-harvest technology by the fruit and vegetable growers for good marketing. The creation of market infrastructure from export point of view such as creation of pre- cooling, cold storage, air cargo, packinghouse etc. may be taken up by the concerted efforts of the state government. There is also need to develop the efficient marketing systems with better storage facilities and less number of middlemen for the ultimate welfare of farmers. Thus, the policy makers should promote processing of fruits and vegetables for value addition and also explore export avenues.

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Okaiyeto, S. A., Ogijo S. I., Y. A. Unguwanrimi, B. J. Jonga, and A. M. Sada. "A Review of Dried Fruits and Vegetables Consumed In Northern Nigeria." International Journal of Scientific Research and Management 8, no. 03 (March 14, 2020): 66–72. http://dx.doi.org/10.18535/ijsrm/v8i03.ft01.

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Fresh fruits and vegetables are important foods both from economic and nutritional point of view. Fruits and vegetable of all types are valuable part of our diet, however, many vegetables are highly seasonal in nature, they are available in abundance at a particular season and sometimes result in market glut, while at off-season they become very scarce and expensive. Large quantities of these vegetables are lost during or shortly after harvest due to their perishable nature. Drying of vegetables as a means of reducing post-harvest losses and improve storability has been practiced for many centuries. As compared to fresh vegetables which can be kept for few days, dry products can be stored for months or even years without substantial loss of nutrients. This paper reviews some commonly dried fruits and vegetables consumed in northern Nigeria, which includes; Tomato, Okra, Baobab leaves, Sweet potato, Cassava, Moringa, Sorrel and Jute. A comprehensive review of preservation methods, price variation with season, storage and duration of these fruits and vegetables is presented and recommendations are made for further studies. Fresh fruits and vegetables are important foods both from economic and nutritional point of view. Fruits and vegetable of all types are valuable part of our diet, however, many vegetables are highly seasonal in nature, they are available in abundance at a particular season and sometimes result in market glut, while at off-season they become very scarce and expensive. Large quantities of these vegetables are lost during or shortly after harvest due to their perishable nature. Drying of vegetables as a means of reducing post-harvest losses and improve storability has been practiced for many centuries. As compared to fresh vegetables which can be kept for few days, dry products can be stored for months or even years without substantial loss of nutrients. This paper reviews some commonly dried fruits and vegetables consumed in northern Nigeria, which includes; Tomato, Okra, Baobab leaves, Sweet potato, Cassava, Moringa, Sorrel and Jute. A comprehensive review of preservation methods, price variation with season, storage and duration of these fruits and vegetables is presented and recommendations are made for further studies.

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Jones, R. B., D. Stefanelli, and R. B. Tomkins. "Pre-harvest and post-harvest factors affecting ascorbic acid and carotenoid content in fruits and vegetables." Acta Horticulturae, no. 1106 (December 2015): 31–42. http://dx.doi.org/10.17660/actahortic.2015.1106.6.

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Boonyakiat, D. "POST-HARVEST TECHNOLOGY AND MARKETING OF VEGETABLES IN THE ROYAL PROJECT FOUNDATION." Acta Horticulturae, no. 809 (January 2009): 69–76. http://dx.doi.org/10.17660/actahortic.2009.809.4.

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Huyskens-Keil, S., M. Schreiner, and C. Ulrichs. "CELL WALL CARBOHYDRATE METABOLISM OF PERISHABLE VEGETABLES IN PRE- AND POST-HARVEST." Acta Horticulturae, no. 553 (June 2001): 201–6. http://dx.doi.org/10.17660/actahortic.2001.553.44.

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Pirog, T., and A. Zvarych. "Post-harvest treatment of fruits and vegetables to extend their shelf life." Scientific Works of National University of Food Technologies 27, no. 2 (April 2021): 21–33. http://dx.doi.org/10.24263/2225-2924-2021-27-2-4.

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Baia, Gabriela M., Otniel Freitas-Silva, and Murillo F. Junior. "Understanding the Role of Chlorine and Ozone to Control Postharvest Diseases in Fruit and Vegetables: A Review." Current Nutrition & Food Science 16, no. 4 (July 13, 2020): 455–61. http://dx.doi.org/10.2174/1573401315666190212161209.

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Fruits and vegetables are foods that come into contact with various types of microorganisms from planting to their consumption. A lack or poor sanitation of these products after harvest can cause high losses due to deterioration and/ or pathogenic microorganisms. There are practically no post-harvest fungicides or bactericides with a broad spectrum of action that have no toxic residual effects and are safe. However, to minimize such problems, the use of sanitizers is an efficient device against these microorganisms. Chlorine is the most prevalent sanitizing agent because of its broad spectrum, low cost and well-established practices. However, the inevitable formation of disinfection by-products, such as trihalomethanes (THMs) and haloacetic acids (HAAs), is considered one of the main threats to food safety. Alternative sanitizers, such as chlorine dioxide (ClO2) and ozone, are becoming popular as a substitute for traditional post-harvest treatments. Thus, this review addresses the use of chlorine, chlorine dioxide and ozone emphasizing aspects, such as usage, safe application, spectrum of action and legislation. In order to ensure the quality and safety of final products, the adoption of well-prepared sanitation and sanitation programs for post-harvest fruits and vegetables is essential.

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Akintayo, OI, and JO Okache. "Consumption of fruits and vegetables in the peri-urban interface: implications for post-harvest systems in Ibadan, Nigeria." Journal of Agriculture, Forestry and the Social Sciences 11, no. 2 (February 18, 2015): 216–22. http://dx.doi.org/10.4314/joafss.v11i2.25.

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The consumption of adequate quantities of fruits and vegetables is essential to a healthy life. The growing body of evidence on fruits and vegetable consumption mainly focus on urban areas with very scanty information and data on rural/peri-urban areas. This study was carried out in the peri urban interface of Ibadan. It examined the access of people to fruits and vegetables and the factors which affect their consumption. Through multi-stage sampling technique, two hundred respondents were selected from four peri-urban communities and data were obtained through the use of pre-tested questionnaire and interview schedules. Results revealed that more than ninety-five per cent of respondents are aware of the benefits of consuming fruits and vegetables. Majority of the respondents consumed more of indigenous than exotic fruits and vegetables, preferring fresh to processed fruits. More than seventy per cent of respondents obtained fruits and vegetables from local markets with an expenditure of less than six per cent of their monthly income. Major constraint to consumers’ access to fruits is the seasonality of these items, making them scarce during off seasons.Key words: Peri-urban interface, fruits, vegetables, consumption.

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Chen, Xiang Ning, Bin Jun Li, Ling Chuan Meng, and Shuang Xi Fan. "Research Progress in Preservation of Postharvest Leafy Vegetables." Advanced Materials Research 749 (August 2013): 401–7. http://dx.doi.org/10.4028/www.scientific.net/amr.749.401.

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Once leafy vegetables are picked, metabolism and inoculating microbes affect the quality of the products badly. This paper included a brief introduction on the various factors affecting the freshness and shelf-life of leafy vegetables, with 3 types of treatments: antimicrobial gas or washing solutions (ozone, hydrogen peroxide, peroxyacetic acid, chlorine, electrolyzed oxidizing water, and silver solution), that are broadly applied on post-harvest leafy vegetables that help to reduce both spoilage microorganisms and pathogens.

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AGHDAM, M. S., L. SEVILLANO, F. B. FLORES, and S. BODBODAK. "The contribution of biotechnology to improving post-harvest chilling tolerance in fruits and vegetables using heat-shock proteins." Journal of Agricultural Science 153, no. 1 (November 12, 2013): 7–24. http://dx.doi.org/10.1017/s0021859613000804.

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SUMMARYFresh fruits and vegetables have a short post-harvest life and are prone to post-harvest losses due to mechanical injury, physiological causes and decay. Low-temperature storage is widely used as post-harvest treatment applied for delaying senescence in vegetables and ornamentals and ripening in fruits, upholding their post-harvest quality. But the refrigerated storage of tropical and subtropical crop plant species provokes a set of physiological alterations known as chilling injury that negatively affect their quality and frequently renders the product not saleable. Membrane damage and reactive oxygen species (ROS) accumulation are the main adverse effects of chilling injury impact in sensitive horticultural products. The chilling injury tolerance of certain plant species is attributed to their ability to accumulate heat-shock proteins (HSP). The beneficial action of HSP in chilling tolerance is due to their chaperone activity but, besides this biological function, small HSP (sHSP) are able to function as membrane stabilizers and ROS scavengers, or synergistically with cell antioxidant systems. Also, biosynthesis of osmolytes such as raffinose and proline is under the regulation of heat-shock transcription factors (HSTF). These molecules are critical for osmotic adjustment since low temperatures also provoke a secondary osmotic stress. The use of biotechnological strategies can be envisaged, with the aim of generating engineered crop plants of horticultural interest to induce the production and action of HSP and HSTF, in order to assure the beneficial effects of these proteins in promoting chilling injury tolerance during their post-harvest refrigerated storage. In particular, induction of HSTF expression using biotechnology has significant potential and interest for reducing the impact of chilling injury on sensitive produce, avoiding the practical difficulties of applying the classic post-harvest technologies based on heat treatment.

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Priss, Olesia, Viktoria Yevlash, Valentina Zhukova, Sergey Kiurchev, Valentуna Verkholantseva, Iryna Kalugina, Svetlana Kolesnichenko, Alla Salavelis, Olena Zolovska, and Halyna Bandurenko. "INVESTIGATION OF THE RESPIRATION RATE DURING STORAGE OF FRUIT VEGETABLES UNDER THE INFLUENCE OF ABIOTIC FACTORS." EUREKA: Life Sciences 6 (November 30, 2017): 10–15. http://dx.doi.org/10.21303/2504-5695.2017.00494.

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The aim of the work was to establish the influence of most important abiotic planting factors (temperature, precipitation quantity) on the respiratory rate of fruit vegetables at storage and also a possibility of correction of respiratory metabolism by post-harvest thermal processing by antioxidant compositions. Fruits of cucumbers of the hybrids Masha and Afina, bush pumpkins Kavili and Tamino, sweet pepper of the hybrids Nikita and Hercules, tomato of the varieties Novachok and Rio Grande Original were used for the studies. It was established, that the respiratory rate of pumpkin fruit vegetables is importantly influenced by the variety specificity. The respiratory level of pumpkin vegetables directly correlates with the sum of active temperatures of the period of fruits formation and reversibly – with precipitation and hydrothermal coefficient. The influence of the variety specificity for nightshade vegetables is leveled, and among meteorological planting conditions the important intense influence on the respiratory rate is realized by the sum of active temperatures of the period of fruits formation and ripening. Precipitation and hydrothermal coefficient have the important influence only on pepper fruits. It was established, that the use of post-harvest thermal processing by antioxidant compositions results in inhibition of respiratory processes in fruit vegetables at storage.

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MITRANNAVAR, D. H., and R. A. YELEDALLI. "Estimation of post-harvest losses of major vegetables in Karnataka- A management appraisal." INTERNATIONAL JOURNAL OF COMMERCE AND BUSINESS MANAGEMENT 7, no. 2 (October 15, 2014): 349–53. http://dx.doi.org/10.15740/has/ijcbm/7.2/349-353.

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Manzelat, Syeda Fatima. "Post-Harvest Mycoflora of Root Vegetables from Ad Darb Markets, Jizan, Saudi Arabia." Vegetos- An International Journal of Plant Research 30, no. 4 (2017): 94. http://dx.doi.org/10.5958/2229-4473.2017.00198.7.

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OHTA, Hideaki. "Study on polyamine metabolism in selected fruits and vegetables at post harvest stage." food preservation science 25, no. 3 (1999): 121–29. http://dx.doi.org/10.5891/jafps.25.121.

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Geyer, M., and B. Herold. "METHODS AND LIMITS FOR MEASUREMENT OF MECHANICAL LOAD ON FRUITS AND VEGETABLES IN HARVEST AND POST-HARVEST PERIOD." Acta Horticulturae, no. 379 (June 1995): 579–86. http://dx.doi.org/10.17660/actahortic.1995.379.72.

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Sandepogu, Monica, Pushp Sheel Shukla, Samuel Asiedu, Svetlana Yurgel, and Balakrishnan Prithiviraj. "Combination of Ascophyllum nodosum Extract and Humic Acid Improve Early Growth and Reduces Post-Harvest Loss of Lettuce and Spinach." Agriculture 9, no. 11 (November 11, 2019): 240. http://dx.doi.org/10.3390/agriculture9110240.

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Leafy vegetables like lettuce and spinach are prone to significant post-harvest losses during handling and storage. The pre-harvest treatment of crops with biostimulants offers a sustainable strategy for reducing post-harvest losses. Earlier studies focused on the effect of plant biostimulants applied individually. In this study, we studied the efficacy of a combined application of two commonly used plant biostimulants: Ascophyllum nodosum extract (ANE) and humic acid (HA). Interestingly, the combination of both biostimulants improved early growth of lettuce and spinach compared to ANE and HA alone. Among the combinations used in this study, 0.25% ANE + 0.2% HA produced significantly higher fresh and dry biomass in lettuce and spinach compared to the other treatments and the control. Pre-harvest treatment of combination of 0.25% ANE and 0.2% HA significantly reduced the loss of fresh biomass during post-harvest storage. The combination of 0.25% ANE and 0.2% HA reduced lipid peroxidation during storage with an increase in total ascorbate, phenolic, and antioxidant capacity of spinach and lettuce. These results suggest that a combination of ANE and HA reduces post-harvest losses of spinach and lettuce more effectively than when applied individually.

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Saleh, Iman, and Roda Al-Thani. "Fungal food spoilage of supermarkets' displayed fruits." November-2019 12, no. 11 (November 2019): 1877–83. http://dx.doi.org/10.14202/vetworld.2019.1877-1883.

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Background and Aim: Post-harvest fungal infection of fruits and vegetables is mainly caused by fungal pathogens that can be harmful to both human and animals as they produce mycotoxins, post-harvest diseases in fruits and vegetables are a serious problem that results in the loss of a large percentage of crops reaching 50% in some fruits. This study aims at screening the post-purchasing shelf-life of four highly consumed fruits and vegetables and at identifying the fungal strains behind their spoilage in Qatar. Materials and Methods: Fruits and vegetables were collected from the market to study their post-purchasing shelf-life and to identify the fungal types involved in samples rotting. Factors that affect samples' shelf-life were also analyzed. Results: A total of 73 fungal isolates were isolated and identified, with the highest percentage of Penicillium (21.9%) followed by Rhizopus (17.8%). Interestingly, many mycotoxins producing and diseases inducing fungi were identified in this study; this includes Rhizopus, Aspergillus, Penicillium, Alternaria, Fusarium, Cladosporium, Botrytis, Geotrichum, and Colletotrichum. Statistical analysis shows that different fruits have significantly different shelf-life and different predispositions for spoilage. In many cases, a strong relationship was shown between the fungal types isolated and the country of origin of the fruit. Finally, the price of the commodity did not have a significant effect on its contamination level nor did the market from which the sample was purchased. This indicates that the fruit displaying methods in Qatar do not affect their contamination level. Conclusion: The study is among the first reports about fungal types involved in fruits and vegetables rotting in Qatar and it highlights the strong link between spoiling fungi and their country of origin.

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Verkerk, Ruud, Matthijs Dekker, and Wim M?F Jongen. "Post-harvest increase of indolyl glucosinolates in response to chopping and storage ofBrassica vegetables." Journal of the Science of Food and Agriculture 81, no. 9 (2001): 953–58. http://dx.doi.org/10.1002/jsfa.854.

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Wilson, Charles L., Michael E. Wisniewski, Charles L. Biles, Randy McLaughlin, Edo Chalutz, and Samir Droby. "Biological control of post-harvest diseases of fruits and vegetables: alternatives to synthetic fungicides." Crop Protection 10, no. 3 (June 1991): 172–77. http://dx.doi.org/10.1016/0261-2194(91)90039-t.

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Ahmed, Reshmi, B. C. Nath, Popy Bora, and Supriya Sharma. "Study on post-harvest diseases of rabi vegetables in Jorhat district of Assam, India." Pest Management in Horticultural Ecosystems 27, no. 1 (2021): 83–87. http://dx.doi.org/10.5958/0974-4541.2021.00015.1.

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Abbasi, Nadeem Akhtar, Abdul Kareem, Ishfaq Ahmed Hafiz, Abdul Ahad Qureshi, and Sherif Fathy EL-Gioushy. "PRE-HARVEST FOLIAR APPLICATION OF VEGETABLES EXTRACT IMPROVES THE QUALITY OF HARVESTED GRAPE." Acta Scientiarum Polonorum Hortorum Cultus 18, no. 6 (December 19, 2019): 107–18. http://dx.doi.org/10.24326/asphc.2019.6.11.

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This study focused on examining the effect of vegetables extract foliar application on storage quality of the grapes grape (Vitis vinifera L. cvs. ‘Perlette’ and ‘King’s Ruby’). The vines were sprayed after fruit set twice at 15 days interval at concentrations of 0, 0.20%, 0.30% and 0.40%. Fruit were harvested and kept under cold-storage at 0.5 ±0.5°C and 90% RH for 28 days. The physicochemical properties of treated and untreated berries were analyzed at 7 days intervals during the cold storage. The results showed that the pre-harvest application of vegetable extracts reduced the weight loss and inhibited the fruit decay. Treated grape also had higher ascorbic acid contents, total phenolics, 2,2-diphenyl-1-picrylhydrazyl-radical (DPPH) scavenging activity, and higher soluble solid contents, titratable acidity, and reduced sugar:acid ratio. The concentration of 0.30% and cultivar ‘Kings Ruby’ gave the best result as compared to untreated control. In conclusion, pre-harvest vegetables extract application on berries showed higher antioxidant activities in grape berries, and maintained their post-harvest quality. These results indicated that foliar spray of vegetables extract could effectively improve the fruit quality, mainly through the reduction of phenolic content.

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Andri Heru Saputra and Dhomas Hatta Fudholi. "Realtime Object Detection Masa Siap Panen Tanaman Sayuran Berbasis Mobile Android Dengan Deep Learning." Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 5, no. 4 (August 20, 2021): 647–55. http://dx.doi.org/10.29207/resti.v5i4.3190.

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Determining the harvesting period can be done visually, physically, computationally, and chemically. Since the harvesting process is crucial, late harvesting will affect post-harvest and production quality. Leafy vegetables have a relatively short ready-to-harvest period. Visual recognition of the harvesting period combined with image processing can recognize harvesting vegetables' visual characteristics. This study aims to build a deep learning-based mobile model to detect real-time vegetable plant objects such as bok choy, spinach, kale, and curly kale to determine whether these vegetables are ready for harvest. Mobile-based architecture is chosen due to latency, privacy, connectivity, and power consumption reason since there is no round-trip communication to the server. In this research, we use MobileNetV3 as the base architecture. To find the best model, we experiment using different image input size. We have obtained a maximum MAP score of 0. 705510 using a 36,000 image dataset. Furthermore, after implementing the model into the Android mobile application, we analyze the best practice in using the application to capture distance. In real-time detection usage, the detection can be done with an ideal distance of 5 cm and 10 cm.

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Quansah, Joycelyn, Cesar Escalante, Angela Kunadu, Firibu Saalia, and Jinru Chen. "Pre- and Post-Harvest Practices of Urban Leafy Green Vegetable Farmers in Accra, Ghana and Their Association with Microbial Quality of Vegetables Produced." Agriculture 10, no. 1 (January 15, 2020): 18. http://dx.doi.org/10.3390/agriculture10010018.

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Vegetable farming is the most practiced urban agriculture in Ghana. A previous study of our laboratory revealed poor microbial quality of, and presence of Salmonella on, leafy green vegetables grown or sold in Accra, Ghana. The aims of this study were to determine agricultural practices of urban vegetable farmers and the association between agricultural practices and microbial safety of vegetables produced. A survey was conducted among 102 farmers from 12 farming areas who produced exotic and indigenous leafy greens in Accra, Ghana to identify their farming practices. It was observed that water from waste drains pumped into shallow wells was used for irrigation by 70% of the farmers. Incompletely composted manure was commonly used (99%) in farming. Vegetables were usually harvested using bare hands (96%) and knives (73%) and transported mainly in sacks (94%) to market centers under non-refrigerated conditions. Over 60% of the farmers disagreed that the use of polluted irrigation water can contaminate vegetables or make consumers sick. According to the seemingly unrelated regression model, farmers with no formal education and less food safety knowledge and had been planting on their current farmlands for several years were likely to produced vegetables with higher fecal coliform and Enterococcus sp. counts compared to other farmers. Vegetables cultivated by farmers who disagreed that the use of contaminated water can make consumers sick were associated with the production of vegetables with high fecal coliform and Enterococcus sp. counts. Education and improved agricultural and post-harvest handling practices should be encouraged among vegetable producers in the area to improve food safety.

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Adhikari, Biju, and Aarati G.C. "Post-harvest practices of horticultural crops in Nepal: Issues and management." Archives of Agriculture and Environmental Science 6, no. 2 (June 25, 2021): 227–33. http://dx.doi.org/10.26832/24566632.2021.0602015.

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Fruits and vegetables are highly perishable in nature and have a very short shelf-life. During different handling and marketing procedures, there is massive post-harvest loss of horticulture produce, either or both qualitative and quantitative, between harvest and consumption. Factors affecting post-harvest losses differ with topography, varieties of crops, climate, etc. and are difficult to understand. Considering the fact, the present study aims to describe the status of post-harvest losses of horticultural produce and their potential management techniques. Secondary data is used to collect the related information. The demand of high-quality horticulture produce is increasing due to its healthy nutrition. Post-harvest management of the produce includes pre- and post-harvest practices, their handling, packaging, storage, distribution, and marketing. The storage life and marketable quality of the produce can be maximized by limiting (not stopping) the respiration and transpiration through proper control of temperature and relative humidity of the produce. The right selection of packaging materials and technologies play vital role in maintaining product quality and freshness during storage and distribution. Moreover, the innovative techniques like modified active packaging, active and intelligent packaging, controlled atmospheric storage, and use of antimicrobial could extend the shelf life of produce to a significant time. This review mainly focuses on the causes of qualitative and quantitative losses of horticulture produce along with the effective measures to control the losses in Nepalese context. It emphasized on the adoption of innovative technologies to improve the storage life, marketable quality and freshness of the produce.

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Pandey, Abhay, Pooja Singh, Uma Palni, and N. N. Tripathi. "In-vitro antibacterial activities of the essential oils of aromatic plants against Erwinia herbicola (Lohnis) and pseudomonas putida (Kris Hamilton)." Journal of the Serbian Chemical Society 77, no. 3 (2012): 313–23. http://dx.doi.org/10.2298/jsc110524192p.

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This study was designed to examine in vitro antibacterial activities of essential oils extracted from 53 aromatic plants of Gorakhpur Division (UP, INDIA) for the control of two phytopathogenic bacteria namely Erwinia herbicola and Pseudomonas putida causing several post-harvest diseases in fruits and vegetables. Out of 53 oils screened, 8 oils such as Chenopodium ambrosioides, Citrus aurantium, Clausena pentaphylla, Hyptis suaveolens, Lippia alba, Mentha arvensis, Ocimum sanctum and Vitex negundo completely inhibited the growth of test bacteria. Furthermore MIC & MBC values of C. ambrosioides oil were least for Erw. herbicola (0.25 & 2.0 ?l/ml) and Ps. putida (0.12 & 1.0 ?l/ml) respectively than other 7 oils as well as Agromycin and Streptomycin drugs used in current study. GC and GC-MS analysis of Chenopodium oil revealed presence of 125 major and minor compounds, out of them, 14 compounds were recognized. The findings concluded that Chenopodium oil may be regarded as safe antibacterial agent for the management of post-harvest diseases of fruits and vegetables.

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Richard, Musebe, Karanja Daniel, Rajendran Srinivasulu, Kessy Radegunda, Kansiime Monica, Marandu Damas, Samali Silivesta, et al. "Development of market opportunities through post-harvest processing of the African indigenous vegetables in Tanzania." African Journal of Business Management 11, no. 17 (September 14, 2017): 426–37. http://dx.doi.org/10.5897/ajbm2017.8286.

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Sarkar, Susheel Kumar, Sanjeev Panwar, Ranjit Kumar Paul, Sonia Tomar, Nitin Kumar, and O. P. Morya. "Assessment of pre- and post-harvest losses of vegetables in Kanpur district of Uttar Pradesh." Current Horticulture 8, no. 2 (2020): 29. http://dx.doi.org/10.5958/2455-7560.2020.00017.5.

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Clark, C. J., P. D. Hockings, D. C. Joyce, and R. A. Mazucco. "Application of magnetic resonance imaging to pre- and post-harvest studies of fruits and vegetables." Postharvest Biology and Technology 11, no. 1 (May 1997): 1–21. http://dx.doi.org/10.1016/s0925-5214(97)01413-0.

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Panghal, Anil, D. N. Yadav, Bhupender S. Khatkar, Himanshu Sharma, Vikas Kumar, and Navnidhi Chhikara. "Post-harvest malpractices in fresh fruits and vegetables: food safety and health issues in India." Nutrition & Food Science 48, no. 4 (July 9, 2018): 561–78. http://dx.doi.org/10.1108/nfs-09-2017-0181.

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Purpose Fruits and vegetables, being good source of energy, health promoting and protecting compounds with unique taste and flavor, are attracting consumers since ages. These horticultural produces start deterioration just after harvest; therefore, their proper storage is must during transportation and storage to retain maximum quality parameters and for good market value. Best storage conditions are required to prevent growth of micro flora and to maintain the nutritional values of harvested produce. Retailers and processors in every corner of world want to move toward the cheaper ways to increase the shelf life and texture of horticultural crops for better consumer preference. The purpose of this paper is to make consumers and researchers aware about different post harvest malpractices in fresh fruits and vegetables. Design/methodology/approach Lot of chemicals like colors, artificial ripening agents, sweeteners and waxes are applied on surface of horticulture produce to siphon off money from consumers, and these have adverse health effects directly or indirectly. Various regulatory agencies have launched various programs, acts and laws for monitoring and avoiding such unhealthy ways. Regulatory bodies launched training programs also for the food handlers and consumers to ensure the food safety from farm to fork. Findings This paper will throw light on different malpractices followed by retailers to manipulate the quality which causes adverse health effects and to create consumer awareness regarding such malpractices. Originality/value The paper emphasizes on current malpractices followed by retailers to mislead the consumers about fruits’ and vegetable’ quality by using sweeteners, colors and other chemical. On prolonged consumption, such substances lead to major health issues such as attention disorder.

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Begum, Abida, and S. Harikrishna. "Pathogens and Heavy Metals Concentration in Green Leafy Vegetables." E-Journal of Chemistry 7, s1 (2010): S552—S558. http://dx.doi.org/10.1155/2010/741815.

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Presence of heavy metal and bacterial pathogen in randomly collected samples of green leafy from various stations of Bengaluru city was detected. Heavy metals (cadmium, zinc, copper, iron, chromium, nickel and lead) were analyzed by tri-acid digestion method. The presence of heavy metals in general was in the order of Cd>Zn>Cu>Fe>Cr>Pb. Trace metal concentration in all green leafy vegetables of stations 1-5 were within permissible limit and it has been exceeded in station 6-10. This indicated high levels of soil contamination pose potential danger for the vegetables grown in the vicinity of Arakere lake, Bannerghatta road, Gottigere lake, Naganaikanakere, Bommasandra lake, Hulimavu lake, Kelaginakere and Amblipura lake. The total bacteria and coliforms were enumerated on TSA (Tryptone Soya Agar) and VRBA (Violet Red Bile Agar) media respectively. The total bacterial count in randomly collected samples of coriander ranged from 296 cfu/g to 8 cfu/g, in palak from 16 cfu/g to 0.9 cfu/g, whereas in case of cabbage was 104 cfu/g to 0.9 cfu/g which is an indication of improper pre-harvest and post harvest handling.

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Gorawar, Mahesh B., P. P. Revankar, Vijay Tambarallimath, and K. Shekar. "Performance Studies on Solar Photovoltaic Thermal System for Crop Drying." Advanced Materials Research 768 (September 2013): 90–97. http://dx.doi.org/10.4028/www.scientific.net/amr.768.90.

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The growing population demands adequate supply of food grains for its sustenance and supporting life activities. The agricultural produce in India has increased over the years due to improved farm practices despite of which the country is ranked 2nd in terms of the number of children suffering malnutrition. It is reported that the child mortality rate in the country due to hunger and sanitation is above 1,000 per day. The post harvest losses in India are estimated at 4 to 6 percent for food grains and 16 to 18 percent for fruits and vegetables occurring at various stages of harvesting, storage and processing. The post harvest remedies for the loss of food grains and other agricultural produce includes better post harvest storage techniques based on removal of moisture to store the produce without being perished. The crop drying techniques based on use of renewable energy offer succor to save the large agricultural produce that goes to drains without being consumed.The reported work deals with design of a solar crop dryer for drying based on solar Photovoltaic/ Thermal (SPV/T) techniqueKeywordsPost harvest losses, solar crop drying, solar PV/T systems,drying rate

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Antora, Raiya Adiba, Md Pavel Hossain, Syeeda Shiraj Um Monira, and Mohammad Gulzarul Aziz. "Effect of formaldehyde on some post-harvest qualities and shelf-life of selected fruits and vegetables." Journal of the Bangladesh Agricultural University 16, no. 1 (April 30, 2018): 151–57. http://dx.doi.org/10.3329/jbau.v16i1.36496.

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In Bangladesh, a lot of fruits and vegetables have been accused of having prolonged shelf-life by formaldehyde adulteration. So, an evaluation of the effect of formaldehyde was carried out by treating mango, litchi and oyster mushroom with different concentrations of formaldehyde and assessing their quality parameters. The three samples were dipped in 0%,1%, 5% and 10%formaldehyde solutions for 15 minutes and packed in a modified atmosphere package for observation. Changes in color, texture and weight loss were observed during storage at every alternate day. No significant increase in post-harvest quality and shelf-life was observed for mango and litchi treated with formaldehyde compared to control. Treated mushroom attained elastic texture and remained in this state up to the end of storage, whereas the control spoiled days after storage. Although formaldehyde-treated mushroom showed extended shelf-life, they lost their commercial freshness. The formaldehyde solutions did not have any significant effect on weight loss. So, formaldehyde is not a useful preservative to improve the post-harvest quality and shelf-life of fresh fruits and vegetables.J. Bangladesh Agril. Univ. 16(1): 151-157, April 2018

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Ren, Feiyue, and Sumei Zhou. "Phenolic Components and Health Beneficial Properties of Onions." Agriculture 11, no. 9 (September 10, 2021): 872. http://dx.doi.org/10.3390/agriculture11090872.

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Onions are a widely cultivated and consumed vegetable, and contain various bioactive components, which possess various health benefits, such as antioxidant, anti-obesity, and anti-diabetic properties. As the major bioactive constituents in onions, it is essential to study phenolic compounds and the heath beneficial properties of onion and its by-products. The bioactivity of phenolic components in onions can be affected by many factors, including the genotype, different growing environments and food processing methods. Currently, most reviews have focused on an investigation of the chemical compounds or bioactivity of raw onions, but there is a paucity of studies concerning whether pre-harvest (i.e., genotype and growing environment) and post-harvest (i.e., storage) factors can impact its phenolic compounds. This review provides knowledge and guidance to agricultural production on producing high-quality onions and to the food industry on developing functional foods to reduce some chronic diseases such as diabetes. It also promotes research interest in studying bioactive compounds in fruits and vegetables considering different pre-harvest and post-harvest conditions.

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Lynn, Anthony, Andrew Collins, Zoë Fuller, Kevin Hillman, and Brian Ratcliffe. "Cruciferous vegetables and colo-rectal cancer." Proceedings of the Nutrition Society 65, no. 1 (February 2006): 135–44. http://dx.doi.org/10.1079/pns2005486.

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Cruciferous vegetables have been studied extensively for their chemoprotective effects. Although they contain many bioactive compounds, the anti-carcinogenic actions of cruciferous vegetables are commonly attributed to their content of glucosinolates. Glucosinolates are relatively biologically inert but can be hydrolysed to a range of bioactive compounds such as isothiocyanates (ITC) and indoles by the plant-based enzyme myrosinase, or less efficiently by the colonic microflora. A number of mechanisms whereby ITC and indoles may protect against colo-rectal cancer have been identified. In experimental animals cruciferous vegetables have been shown to inhibit chemically-induced colon cancer. However, the results of recent epidemiological cohort studies have been inconsistent and this disparity may reflect a lack of sensitivity of such studies. Possible explanations for the failure of epidemiological studies to detect an effect include: assessment of cruciferous vegetable intake by methods that are subject to large measurement errors; the interaction between diet and genotype has not been considered: the effect that post-harvest treatments may have on biological effects of cruciferous vegetables has not been taken into account.

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Faour-Klingbeil, Dima, Victor Kuri, Sukayna Fadlallah, and Ghassan M. Matar. "Prevalence of antimicrobial-resistant Escherichia coli from raw vegetables in Lebanon." Journal of Infection in Developing Countries 10, no. 04 (April 28, 2016): 354–62. http://dx.doi.org/10.3855/jidc.7745.

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Introduction: Fresh produce has been implicated in a number of documented outbreaks of foodborne illness caused by bacteria, viruses, and parasites. Shiga toxin-producing Escherichia coli (STEC) have been detected on vegetables, raising concerns about the prevalence of E. coli contamination in produce, which can take place at various points from farm to fork. This study aimed to detect the presence of STEC and multidrug-resistant (MDR) E. coli on fresh vegetables and water from different sources along the fresh produce supply chain in Lebanon. Methodology: E. coli isolates (n = 60) were group serotyped using trivalent antisera (trivalent 1 [O111+O55+O26], trivalent 2 [O86+O119+O127], trivalent 3 [O125; O126; O128], and trivalent 4 [O114+O124+O142]) and tested for stx1 and stx2 genes by polymerase chain reaction (PCR) assay. Resistance to antimicrobial agents was determined using the disk diffusion method. Results: The virulence genes stx1 and stx2 were not detected in any of the isolates. However, 60% of the isolates were MDR and predominantly observed in trivalent 2 (32%). It is postulated that the inadequate post-harvest washing contributed to transmission of antimicrobial-resistant E. coli at wholesale and retail levels. Fresh vegetables harbor MDR E. coli and their consumption poses risks of increasing the reservoir of antimicrobial resistance in the intestines of the Lebanese population. Conclusions: Greater emphasis should be placed on vigilant sanitation measures at the consumption level, and effective national risk mitigation strategies are crucial to minimize fecal contamination in the early stages of production, particularly in the post-harvest washing processes.

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Hobson, G. E. "GUIDELINES FOR POST-HARVEST SYSTEMS TO PRESERVE THE QUALITY OF FRUITS AND VEGETABLES FOR DISTANT MARKETS." Acta Horticulturae, no. 287 (May 1991): 361–68. http://dx.doi.org/10.17660/actahortic.1991.287.41.

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Journal articles on the topic 'Vegetables - Post harvest tecnology'

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