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Academic literature on the topic 'Potatoes Potoes'
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Journal articles on the topic "Potatoes Potoes"
1
Lachman, J., and K. Hamouz. "Red and purple coloured potatoes as a significant antioxidant source in human nutrition – a review." Plant, Soil and Environment 51, No. 11 (2011): 477–82. http://dx.doi.org/10.17221/3620-pse.
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Potatoes regarding their consumption are a significant antioxidant source in human nutrition. The main potato antioxidants are polyphenols, ascorbic acid, carotenoids, tocopherols, -lipoic acid, and selenium. The most contained polyphenolic antioxidants in potatoes are L-tyrosine, caffeic acid, scopolin, chlorogenic and cryptochlorogenic acid and ferulic acid. In red and purple potatoes are in addition contained acylated anthocyanins and pigmented potatoes display two to three times higher antioxidant potential in comparison with white-flesh potato. Red potato tubers contain glycosides of pelargonidin and peonidin, purple potatoes glycosides of malvidin and petunidin. New red and purple flesh potato varieties are breeded for their use in food and in the non-food industry. Anthocyanins of potatoes are also useful in the protection against potato blight.
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Muhammad, Cahyo Nur, and Yuli Hariyati. "PRESTIGIOUS PERCEPTION OF POTATO FARMING: AN OVERVIEW OF THE ECONOMY, SOCIO-CULTURE, AND ITS EXISTENCE." Agricultural Social Economic Journal 21, no. 1 (2021): 25–32. http://dx.doi.org/10.21776/ub.agrise.2021.021.1.4.
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Potato farming has been developed by the Tengger Tribe in Ngadisari Village, Sukapura District, Probolinggo Regency. These tribal people cultivate various agricultural commodities, but they feel prestige when farming potatoes. This prestigious perception underlines the research that aims: 1. To determine the existence of the prestigious perception, 2. To analyze economically whether potato farming supports the prestigious perception that it can provide higher profits than other plants cultivated on the same land, and 3. Are there socio-cultural reasons for the prestigious perception of potato farming. This study used quantitative methods with 30 respondents selected by purposive sampling. The description method used to know the existence and identify social-cultural factors of the prestigious perception. To prove that economically, analyzed by comparing the potato’s farming income with non-potato on the same land. The result showed: 1) 77 % of respondents still feel prestige if they cultivate potatoes, 2) economically, potato farming had a higher income than non-potato farming, and 3) socio-cultural factors that support Tengger Tribe feel prestige: a. passed down from generation to generation, b. farming complexity challenges, and c. the needs and equality of female workers.
3
Martanto, Eko Agus. "POTENSI EUPHORBIA HETEROPHYLLA L. SEBAGAI INANG ALTERNATIF PENYAKIT KUDIS PADA UBIJALAR." Jurnal Hama dan Penyakit Tumbuhan Tropika 10, no. 2 (2010): 172–77. http://dx.doi.org/10.23960/j.hptt.210172-177.
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The Potential of Euphorbia heterophylla as an Alternative Host of Scab Disease on Sweet Potatoes. Scab, caused by Elsinoë batatas (Saw.) Jenkins & Viegas, is a major disease on sweet potato. The disease cause reduction in tuber production up to 30%. Euphorbia heterophylla is one of the common weeds in the cultivated land of sweet potatoes which is considered as an alternative host plant of the scab. The objective of this research was to study the ability of E. heterophylla as an alternative host of sweet potato. This study consisted of identification of sweet potatoes scab symptoms and E. heterophylla spot symptoms, isolation of the pathogen of sweet potato scab and E. heterophylla spot, and the test of pathogen virulence on some sweet potato cultivars. The result showed that the scab symptoms on sweet potatoes was brown and concaved caused by fungi E. batatas, while the spot symptoms on the E. heterophylla was white and convex caused by Fusarium sp. The cultivar of sweet potatoes which were inoculated with sick sweet potatoes suspension showed scab symptoms, however no symptoms occurred on the sweet potatoes which were inoculated with suspension of E. heterophylla. Overall, E. heterophylla was not considered to be the alternative host of scab on sweet potatoes.
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Dzwonkowski, Wiesław. "POLISH FOREIGN TRADE OF POTATOES AND POTATO PRODUCTS IN THE PERIOD 2000-2015." Annals of the Polish Association of Agricultural and Agribusiness Economists XIX, no. 3 (2017): 46–51. http://dx.doi.org/10.5604/01.3001.0010.3214.
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Analysis of potatoes and potato products foreign trade was conducted in changing market and trading conditioning before and after the Polish accession to the EU and in last years, when adaptation processes in the Polish potato sector practically were already finished. In spite of the biggest decrease in last years, Poland still remains one of the bigger producers of potatoes in Europe and in the world. The export of potatoes to the direct consumption is low, however the sale to of potato products to foreign markets systematically grows, mainly of fries and chips, what is possible thanks systematically increasing their domestic production. After the Polish accession to the EU and for abolishing tariff barriers an import of potatoes and potato products considerably increased. Poland has a positive balance in potato products foreign trade, however from the accession to the EU remains the net importer of potatoes.
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Souček, Jiří, and Algirdas Jasinskas. "Assessment of the Use of Potatoes as a Binder in Flax Heating Pellets." Sustainability 12, no. 24 (2020): 10481. http://dx.doi.org/10.3390/su122410481.
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This article focuses on an examination of the possibility of using potatoes as a binder in the production of heating pellets from flax stalks. This research was carried out in the form of an experimental production, laboratory analyses, and combustion tests of pellets with the Biltstar variety of flax stalks. The production was carried out using an MGL 200 pelletizing line. Adéla potatoes were used as a binder at a dose of 10%. The results were compared to the control variant without the addition of potatoes. Potatoes had a positive effect on the mechanical properties of the pellets as well as on carbon monoxide emissions. A positive effect of the addition of potatoes was recorded by an increase in specific weight (599.2 kg/m3 for the potato-free variant and 1092.3 kg/m3 for the variant with potatoes) and a significant increase in mechanical durability (4.39% for the potato-free variant and 0.71% for the variant with potatoes). The biggest difference was measured in carbon monoxide emissions (13,082 mg/m3N for the potato-free mg/m3N ariant and 5186 mg/m3N for the variant with potatoes). The values were converted to a reference oxygen content of 10%.
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Musita, Consolata Nolega, Michael Wandayi Okoth, and George Ooko Abong’. "Postharvest Handling Practices and Perception of Potato Safety among Potato Traders in Nairobi, Kenya." International Journal of Food Science 2019 (April 28, 2019): 1–8. http://dx.doi.org/10.1155/2019/2342619.
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Postharvest handling of the potato is an important factor not only in preventing postharvest losses but also in maintaining its safety and nutritional quality. Exposure of the potato to unfavorable conditions such as light, extreme temperatures, and bruising can result in accumulation of glycoalkaloids, which are toxic substances. This study was a cross-sectional survey which aimed to investigate the postharvest handling practices of potatoes and perception of potato safety among open air market traders in Nairobi County, Kenya. Information was collected from 100 potato traders using a semistructured questionnaire that assessed postharvest handling practices such as potato transportation, exposure to sunlight, and storage. Results indicated that most of the potatoes (88%) took one day to be transported to the market, with the storage period at the market ranging from 2 to 3 days for most traders (42%). Forty-seven percent (47%) of the vehicles and hand-pulled carts used to transport potatoes had open backs, while 53% had closed backs. Over half (69%) of the potatoes in the markets were directly exposed to sunlight, with 75% of the traders leaving their potatoes in the open covered with a polythene bag after the day’s activities. Greening, sprouting, or bruised potatoes were mostly sold as seed, sold to restaurants and French fries vendors, or sold to consumers at a lower price. More than half of the traders did not think that consumption of greened potatoes is harmful to health. The results clearly show that there is poor handling of the potatoes by the traders which increases the risk of consumer exposure to glycoalkaloids. There is, therefore, a need to create awareness among traders on appropriate postharvest handling of potatoes to protect consumer health and reduce economic losses as well.
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Dornan, Andrew P., and Jeff G. Stewart. "POPULATION DYNAMICS OF THE EUROPEAN CORN BORER, OSTRINIA NUBILALIS (HÜBNER)(LEPIDOPTERA: PYRALIDAE) ATTACKING POTATOES IN PRINCE EDWARD ISLAND." Canadian Entomologist 127, no. 2 (1995): 255–62. http://dx.doi.org/10.4039/ent127255-2.
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AbstractThe population dynamics of the European corn borer, Ostrinia nubilalis (Hübner) (Lepidoptera: Pyralidae), were documented on potatoes grown in Prince Edward Island (P.E.I.) from 1990 to 1992. By comparing degree-day accumulations above 10°C, both first occurrence and peak flights of male adults occurred earlier than elsewhere in North America. Because potatoes in P.E.I. are attacked earlier and over a longer period of time than potatoes grown in other regions, the insect is an important pest of potatoes in P.E.I. The correlation between peak numbers of male adults caught in pheromone traps and egg masses on potato plants was not significant (p = 0.22). However, the correlation between egg masses per potato stalk and larvae per potato stalk was significant (p = 0.003). Trapping adults and monitoring potato plants for the presence of egg masses during the period from 250 to 500 degree-days appears to be a reliable way to determine the presence of adults and the potential impact of larvae on yield of potatoes.
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Pllana, Mustafe, Nazim Merovci, Melihate Jashari, Aida Tmava, and Fisnik Shaqiri. "Potato Market and Consumption." International Journal of Sustainable Economies Management 7, no. 3 (2018): 19–29. http://dx.doi.org/10.4018/ijsem.2018070102.
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Potato, or as it is called the “bread of the poor”, is a traditional product and the fourth world's largest consumption culture after rice, wheat, and maize. Potato contains vitamin B6 (32%), starch (26%), copper (22%), vitamin C (22%), magnesium (19%), phosphorus (17%), fiber (15%), pantothenic acid (13%), and other ingredients. Americans eat on average 35 kg of frozen potatoes per year: 19 kg of fresh potatoes; 8 kg of potato chips; and 6 kg of dehydrated potato products. The global monthly consumption of potato per capita is 31.3 kg. A greater consumption per capita is in Europe with 87.8 kg/capita. Residents of cold countries of Eastern Europe are the biggest consumers of potatoes in the world. China is the largest producer in the world (75mil / year), but it is not the largest consumer per capita. The volume of international potato trade is smaller than the volume of production. Only 6% of potato production reaches trade market worldwide. Trade in processed potatoes is increased, and with higher rates exceed fresh potato trade. It passes from fresh consumption to processed consumption. Developed countries are those which provide markets with these processed products, earning high rate of profits. Processed potatoes make up 64 percent of total US potato consuming. Kosovo has a great potential to produce potatoes, but there are some obstacles such as small domestic consumption and the market in general. In this article, the factors that affect consumption are explored, which as a consequence increase the production.
9
Sarjono, Haryadi, Lim Sanny, Ina Melati, and . "Supply Chain Design of Potato Commodity in Wonosobo Regency, Central Java - Indonesia." International Journal of Engineering & Technology 7, no. 4.4 (2018): 42. http://dx.doi.org/10.14419/ijet.v7i4.4.19607.
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Today, the demand for horticultural commodities is relatively high, making these commodities more important in the growing Indonesian economy. One of the horticultural commodities is the potato (Solanum tuberosum). Potatoes are widely used as ingredients in the light meal industry such as potato chips. Restaurants and fast food industry also use potatoes as the ingredients. Wonosobo regency is one of the areas in Java producing a lot of potatoes and the majority of the population work as farmers. The purpose of this research is to find out the network design of potato supply chain in Wonosobo regency in order to design a more effective and efficient one. This research uses the descriptive qualitative method and the processes of collecting data are observation, interview, and documentation. The results suggest that the current supply chain design of potatoes is from farmers, middlemen, retailers, and consumers. An alternative network design proposed is the farmers should channel the lower quality potatoes directly to the retailers. While another alternative is, for the good quality potatoes, the farmers should sell them to cooperative for export.
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Arenas, Rene V., Hafizur Rahman, and Nelson A. Johnson. "Determination of Thiabendazole Residues in White and Sweet Potatoes by Liquid Chromatography with Fluorescence Detection." Journal of AOAC INTERNATIONAL 78, no. 6 (1995): 1455–58. http://dx.doi.org/10.1093/jaoac/78.6.1455.
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Abstract A liquid chromatographic (LC) method was developed for determination of thiabendazole (TBZ) residues in or on whole, unwashed white potatoes (Solarium tuberosum) and sweet potatoes (Ipomoea batatas). TBZ is extracted from the potato homogenate with ethyl acetate and the extract purified and concentrated on a cation-exchange, solidphase extraction column. The extract is analyzed for TBZ residues by column LC with a cation-exchange column and fluorescence detection. Recoveries of TBZ from whole white potatoes fortified with TBZ at 0.05–20 ppm and from whole sweet potatoes fortified with TBZ at 0.005–0.1 ppm averaged 100 and 94%, respectively. The method is also applicable for quantitation of TBZ residues in white potato waste (dried peel) used as an animal feed additive. The present method for monitoring TBZ residues in white and sweet potatoes and white potato waste (dried peel) is simple, rapid, and sensitive.