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Journal articles on the topic 'Grapes'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Lyashenko, H. V., and O. M. Soborova. "The dynamics of berries quality indicators of technical kinds of grapes during a ripening period." Ukrainian hydrometeorological journal, no. 18 (October 29, 2017): 90–96. http://dx.doi.org/10.31481/uhmj.18.2016.10.

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The article describes the main indicators of a grapes crop quality - a sugar content in the juice of grapes and a titratable acidity, which give a special taste to the main production of technical kinds of grapes - dry wines. The methods and tools of the laboratory analysis of these indicators, as well as the methodology of a field experience are described . The results of laboratory and field experiments, conducted in 2015 in the areas of an ampelography and clonal selection department of NSC of "Institute for Winegrowing and Winemaking named after V. E. Tairov" are represented. T

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2

Cui, Manlin, Chengyan Yue, Erin L. Treiber, and Matthew Clark. "Consumer Preference for Novel Local Food: A Case Study on Cold-hardy Table Grape Cultivars." HortTechnology 35, no. 4 (2025): 564–73. https://doi.org/10.21273/horttech05646-25.

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This study investigates consumer preferences and willingness to pay (WTP) for novel local food, specifically focusing on cold-hardy table grape cultivars. We conducted the second-price auction with 99 Minnesota participants to compare their preferences and WTP for five newly developed cold-hardy table grapes and three existing warm-climate table grapes. Comparing participants’ bids for novel cold-hardy table grapes to existing warm-climate table grapes, we construct three segment groups: “like all new grapes,” “mixed,” and “dislike all new grapes.” The majority of participants (81%) belong to

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3

Sari, Dewi Ratih Tirto, M. Eko Pranoto, and Siti Zamilatul Azkiyah. "Kajian Farmakoinformatika Senyawa Alkaloid Anggur Laut (Caulerpa racemose) Sebagai Inhibitor Collagenase Dalam Mekanisme Antiaging." Florea : Jurnal Biologi dan Pembelajarannya 9, no. 2 (2022): 127–33. https://doi.org/10.25273/florea.v9i2.14434.

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Caulerpa racemosa or sea grape is an edible macroalgae, cultivated and wild species in Asia ocean. Sea grapes also well known as functional food source from marine, contains high protein, fibers and secondari metabolites. The biological functionsÂ of sea grape also has been identified as antioxidant, antiinflammatory, antiobesity, and anticancer. However, the antiaging activity has not been known yet. This study investigated the potential antiaging activity of alkaloids compounds from sea grapes through inhibiting collagenase protein by farmacoinformatic study. six alkaloid structure of sea gr

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4

Murova, Olga I., Tullaya Boonsaeng, and Kirk Williams. "Investigating Factors Affecting the Prices of Texas Wine Grapes." Archives of Business Research 13, no. 05 (2025): 35–45. https://doi.org/10.14738/abr.1305.18757.

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This paper examines the factors affecting wine grape prices in Texas. It also investigates price differentials of grapes based on the type of wine produced – red, white, dry, or sweet. Surveys from the National Agricultural Statistical Surveys for five grape-producing regions of Texas in 2015, 2017, 2019, and 2020 are utilized. Findings reveal that increased grape production and the increased yields in the state lead to decreasing grape prices. Low temperatures result in reduced yields and, consequently, an increase in the prices of white and red grapes. High summer temperatures drive up the p

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5

Hasanaliyeva, Gultakin, Eleni Chatzidimitrou, Juan Wang, et al. "Effects of Production Region, Production Systems and Grape Type/Variety on Nutritional Quality Parameters of Table Grapes; Results from a UK Retail Survey." Foods 9, no. 12 (2020): 1874. http://dx.doi.org/10.3390/foods9121874.

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Grapes contain high concentrations of secondary metabolites and antioxidants that have been linked to a reduction of several chronic diseases. Here, we report results of a UK retail survey, which investigated the effect of the production region (Mediterranean vs. South Africa), grape type (white vs. red vs. black) and variety, and production system (organic vs. conventional) on antioxidant activity and concentrations of phenolic compounds in table grapes. Black grapes had ~180% total antioxidant activity (TAA), ~60% higher total phenolic content (TPC) and ~40 times higher anthocyanin concentra

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Sciarappa*, William J., Qing-Li Wu, Ming-Fu Wang, and James Simon. "Determination of Proanthocynidins in Fresh Grapes." HortScience 39, no. 4 (2004): 848D—849. http://dx.doi.org/10.21273/hortsci.39.4.848d.

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Medical benefits derived from grape extracts and red wine have been recently documented. In these regards, fresh grapes were collected from six Italian table grape varieties grown at the Rutgers Fruit Research and Extension Center in Cream Ridge, N.J. These samples were analyzed for proanthocynidins (PACs) which are the nutraceutical compounds considered to be bioactive in grapes. Seeded red grapes, seedless red grapes, seeded purple grapes and seedless green table grapes were also purchased from a New Jersey supermarket and analyzed for PACs. An LC/ESI-MS analytical method under low CID level

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Vislocky, Lisa M., and Maria Luz Fernandez. "Grapes and Grape Products." Nutrition Today 48, no. 1 (2013): 47–51. http://dx.doi.org/10.1097/nt.0b013e31823db374.

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8

Safarov, Askarbek Saydullaeva Madina. "MEDICINAL PROPERTIES OF GRAPES AND GRAPE JUICE." "Science and innovation" international scientific journal. ISSN: 2181-3337 1, no. 4 (2022): 118–20. https://doi.org/10.5281/zenodo.6939871.

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<strong><em> </em></strong><em>Grapes - the fruits of cultivated grapes and some other plants of the genus Grapes, in their mature form, which are sweet berries. A valuable food product and raw material for winemaking. Grapes are the first cultivated berry in the history of mankind, the love for which has not diminished over the past 8 thousand years. Grape juice has long been used for medicinal purposes, because this drink is just a storehouse of useful vitamins and minerals.</em>

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9

Feng, Yabin, Jiancheng Wang, Yihui Chen, Lifeng Pan, and Duo Li. "Selection of Grape Varieties for Canned Processing Based on Peeling Performance, Sensory Quality, and Storage Stability." Sustainability 16, no. 23 (2024): 10689. https://doi.org/10.3390/su162310689.

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The integration of grapes into canned food processing not only effectively extends their shelf life but also preserves their rich nutrition and delightful flavor. This marks a significant advancement toward value-added products and sustainability in the grape industry. This study aims to evaluate the appropriateness of different grape varieties for canned grape production, with a focus on peeling characteristics, sensory quality, and storage properties. Our findings reveal that Kyoho, Takatsuma, and Zuijinxiang grapes stand out as promising candidates, characterized by their ease of peeling, m

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Jiang, Yan Ru, Ya Bo Fu, Dong Li Li, and Wen Cai Xu. "Effects of 1-MCP and Controllable-Release SO₂ Packaging on Cold Preservation of Grapes (C.V. Muscat Hamburg)." Advanced Materials Research 750-752 (August 2013): 2335–39. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.2335.

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1-MCP is an ethylene inhibitor which can effective reduce the grape respiration. SO2 controllable-release packaging film is a self-made three-layer composite film which can release SO2 fungicide intelligently. In this work, we investigated the combined effects of 1-MCP and controllable-release SO2 packaging on grapes preservation under 5°C over 75 days. Grapes (C.V. Muscat Hamburg) were packed in three groups: controllable-release SO2 packaging with and without a 1-MCP sachet, and LDPE film packaging as control. Then, the headspace gas concentration in the packaging was evaluated. The physiolo

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UZUN, Ibrahim H., and Arzu BAYIR. "Distribution of Wild and Cultivated Grapes in Turkey." Notulae Scientia Biologicae 2, no. 4 (2010): 83–87. http://dx.doi.org/10.15835/nsb245397.

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Turkey is one of main gene centers in the world for grapes. It is believed that cultivated grapes have their origins in Turkey and the surrounding countries. Vitis vinifera ssp sylvestris is the only wild grape species in this region. That is why Turkey has a very large amount of wild grapevine populations and grape cultivars which offer to grapevine breeders a valuable gene pool. Wild grapevines have significant characters for inducing the resistence to biotic and abiotic stress factors, such as resistance to lime, drought, pests and diseases. Turkey has over 1.600 local grape cultivars, amon

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Lu, Jiang, Xianping Qu, and Olusola Lamikanra. "Genetic Diversity in Muscadine and Bunch Grapes Based on RAPD Analysis." HortScience 30, no. 4 (1995): 877A—877. http://dx.doi.org/10.21273/hortsci.30.4.877a.

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Two morphologically very distinct grapevines belonging to the subgenera Euvitis and Muscadinia of the genus Vitis are cultivated in the United States. The former is commonly called “bunch” grape, while the latter is usually called “muscadine.” Genetic diversity among these grapes was investigated based on random amplified polymorphic DNAs (RAPDs). Sixteen grape cultivars, with their parentage including V. rotundifolia, V. vinifera, and several American Vitis species, were used for the RAPD analysis. More than 200 RAPDs were produced from 20 random primers. More than 90% of which were polymorph

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Quiñones, Rubi, Syeda Mariah Banu, and Eren Gultepe. "GCNet: A Deep Learning Framework for Enhanced Grape Cluster Segmentation and Yield Estimation Incorporating Occluded Grape Detection with a Correction Factor for Indoor Experimentation." Journal of Imaging 11, no. 2 (2025): 34. https://doi.org/10.3390/jimaging11020034.

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Object segmentation algorithms have heavily relied on deep learning techniques to estimate the count of grapes which is a strong indicator for the yield success of grapes. The issue with using object segmentation algorithms for grape analytics is that they are limited to counting only the visible grapes, thus omitting hidden grapes, which affect the true estimate of grape yield. Many grapes are occluded because of either the compactness of the grape bunch cluster or due to canopy interference. This introduces the need for models to be able to estimate the unseen berries to give a more accurate

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14

Salifu, Rafia, Yumei Jiang, Lingzhen Ba, Zhen Zhang, Lidan Feng, and Jixin Li. "Influence of Benzothiadiazole on the Amino Acids and Aroma Compositions of ‘Cabernet Gernischt’ Grapes (Vitis vinifera L.)." Horticulturae 8, no. 9 (2022): 812. http://dx.doi.org/10.3390/horticulturae8090812.

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The application of elicitors enhances grape quality, especially the volatile compounds. There are few studies on the influence of elicitors on the aroma compositions of grapes. Additionally, studies on the amino acids and aroma profiles of ‘Cabernet Gernischt’ grapes are scant. The objective of this work was to evaluate the effect of benzothiadiazole (BTH) treatments on the amino acids and aroma profiles of ‘Cabernet Gernischt’ grapes during berry development. BTH was sprayed on berries at three different stages during grape development; the fruit set period, swelling, and veraison stages. Phy

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15

Anissa Ollivia Cahya Pratiwi. "Klasifikasi Jenis Anggur Berdasarkan Bentuk Daun Menggunakan Convolutional Neural Network Dan K-Nearest Neighbor." Jurnal Ilmiah Teknik Informatika dan Komunikasi 3, no. 2 (2023): 201–24. http://dx.doi.org/10.55606/juitik.v3i2.535.

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. Grapes belong to the Vitacaee family group whose vines grow and produce dense fruit on their branches, grapes have health benefits for the body's metabolism. Wine has different types of variants, in this study there were 11 types of grape variants used consisting of Auxerrois grapes, Cabernet Franc, Cabernet Sauvignon, Chardonnay, Merlot, Muller Thurgau, Pinot Noir, Resling, Sauvignon Blanc, Syrah and Tempranillo. There are several ways to distinguish the types of grapes, one of which is by looking at the shape of the leaves of the tree. Grape leaves can be observed with the naked eye if peo

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16

Qu, Xianping, Jiang Lu, and Olusola Lamikanra. "Genetic Diversity in Muscadine and American Bunch Grapes Based on Randomly Amplified Polymorphic DNA (RAPD) Analysis." Journal of the American Society for Horticultural Science 121, no. 6 (1996): 1020–23. http://dx.doi.org/10.21273/jashs.121.6.1020.

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Two morphologically distinct types of grapes belonging to the subgenera Euvitis and Muscadinia in the genus Vitis are cultivated in the United States. The former is commonly called bunch grapes while the latter is usually called muscadine. Genetic diversity among these grapes was investigated using RAPD markers. Sixteen grape cultivars, with parentage including V. rotundifolia Michx., V. vinifera L., and several American Vitis species, were used for the RAPD analysis. A total of 156 RAPD markers was produced from 19 random primers, over 90% of which was polymorphic among the muscadine and the

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17

Alhewairini, Saleh S., Rania M. Abd El-Hamid, Nevein S. Ahmed, Sherif B. Abdel Ghani, and Osama I. Abdallah. "Bifenthrin Residues in Table Grapevine: Method Optimization, Dissipation and Removal of Residues in Grapes and Grape Leaves." Plants 13, no. 12 (2024): 1695. http://dx.doi.org/10.3390/plants13121695.

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The QuEChERS method was adjusted to determine bifenthrin residues in grapes and grape leaves. Extraction and cleanup procedures were optimized to decrease co-extracted materials and enhance the detection of bifenthrin. The method was validated per the European Union (EU) Guidelines criteria. Accuracy ranged from 98.8% to 93.5% for grapes and grape leaves, respectively. Precision values were 5.5 and 6.4 (RSDr) and 7.4 and 6.7 (RSDR) for grapes and grape leaves, respectively. LOQs (the lowest spiking level) were 2 and 20 µg/kg for grapes and grape leaves, respectively. Linearity as determination

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18

Wang, Simin, and Siyuan Jiang. "Study on the Influence of Physicochemical Indexes on Wine Quality." BCP Business & Management 15 (December 30, 2021): 317–29. http://dx.doi.org/10.54691/bcpbm.v15i.290.

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The quality of a wine is generally determined by hiring a group of qualified wine judges to taste the wine. The quality of wine grapes is directly related to the quality of wine. To explore how the physical and chemical indicators of wine and wine grapes can reflect the quality of wine and grape to a certain extent. This article is based on 2012 Chinese college students' mathematical contest in modeling A problem of data, to score as the dependent variable, wine physical and chemical indicators as independent variables, the method of using principal component analysis of physical and chemical

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Ju, Yan-lun, Xiao-feng Yue, Xue-ying Cao, and Yu-lin Fang. "Targeted Metabolomic and Transcript Level Analysis Reveals Quality Characteristic of Chinese Wild Grapes (Vitis davidii Foex)." Foods 9, no. 10 (2020): 1387. http://dx.doi.org/10.3390/foods9101387.

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Native to China, spine grapes (Vitis davidii Foex) are an important wild grape species. Here, the quality characteristics of one white and three red spine grape clones were evaluated via targeted metabolomic and transcription level analysis. Xiangzhenzhu (XZZ) had the highest soluble sugar and organic acid content. Malvidin-3-acetyl-glucoside and cyanidin-3-glucoside were the characteristic anthocyanins in spine grapes, and significant differences in anthocyanin composition between different clones were detected. Anthocyanins were not detected in Baiyu (BY) grapes. The transcript levels of VdG

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CORRÊA, SABRINA CRISTINA, CLEITON LUIZ WILLE, HADSON HOFFER, MARI INÊS CARISSIMI BOFF, and CLÁUDIO ROBERTO FRANCO. "OVIPOSITION PREFERENCE AND BIOLOGY OF FRUIT FLIES (DIPTERA: TEPHRITIDAE) ON GRAPE VINE GENOTYPES." Revista Caatinga 31, no. 4 (2018): 850–59. http://dx.doi.org/10.1590/1983-21252018v31n407rc.

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ABSTRACT Grape orchards are highly affected by oviposition of fruit flies on grape berries, which compromises the productivity and quality of the grapes. The goal of this study was to evaluate the susceptibility of American, European, and hybrid grape genotypes to Anastrepha fraterculus and Ceratitis capitata (Diptera: Tephritidae) under laboratory conditions (25 ± 2ºC, 60 ± 10% RH, and 14-hour photophase). The assays were conducted by evaluating oviposition preference through choice and no-choice (antibiosis) tests. The choice test was set up using circular arenas (diameter: 300 mm) with 10 g

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Wisudawati, Ni Nyoman Sri. "Development of vineyard agritourism through educational tour packages to sustain the local potential." International journal of social sciences and humanities 3, no. 2 (2019): 294–301. http://dx.doi.org/10.29332/ijssh.v3n2.336.

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Buleleng Regency is known for its abundant natural products, one of the typical plantation products from Buleleng Regency is Alfonso Lavalle's black grapes. One of the areas producing black grapes in Buleleng regency is Banjar village. Banjar known as one of tourism destination especially “Banjar hot spring tourist destination”. Along with the development of tourism that leads to the environment, Banjar village community especially grapes farmer tries to develop agritourism as one of the options supporting the tourist attraction in the Banjar district. Wineries have started to be developed as

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Rebrov, Anton. "Improvement of the copy-book of nutrient medium for input of meristems of grapes in the culture of in vitro." E3S Web of Conferences 210 (2020): 05015. http://dx.doi.org/10.1051/e3sconf/202021005015.

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Results of researches on development of substrate for input of meristems of grapes are provided to the culture of in vitro for the purpose of increase in their regenerative ability at improvement from chronic diseases. In the advanced environment in comparison with analogs the general content of macrosalts was reduced and their ratio taking into account consumption and features of their absorption from nutrient solution is optimized by grape plant. During tests of new substrate its efficiency for grapes grades from various environmental-geographical groups was established. Higher and stable pe

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Catania, Pietro, Mariangela Vallone, and Felice Pipitone. "ANALYSIS OF THE MAIN FACTORS INFLUENCING THE QUALITY OF WINE FROM MECHANICALLY HARVESTED GRAPES." Journal of Agricultural Engineering 40, no. 4 (2009): 27. http://dx.doi.org/10.4081/jae.2009.87.

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The present paper consisted in the study of the main factors influencing the quality of wines produced from mechanically harvested grapes. In particular, 8 samples of grape clusters were examined, different for the harvesting technique, grape juice production, time of exposure to the ambient conditions and addition of an antioxidant The results confirm that the control of some parameters such as grape juice production, ambient temperature and time of exposure of the harvested grapes to the ambient conditions is essential in order to obtain wines of quality from mechanically harvested grapes.

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Zhang, Shiwei, Xi Chen, Qiding Zhong, Xuliang Zhuang, and Zhihui Bai. "Microbial Community Analyses Associated with Nine Varieties of Wine Grape Carposphere Based on High-Throughput Sequencing." Microorganisms 7, no. 12 (2019): 668. http://dx.doi.org/10.3390/microorganisms7120668.

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Understanding the composition of microbials on the grape carposphere may provide direct guidance for the wine brewing. In this work, 16S rRNA and ITS (Internal Transcribed Spacer) fungal amplicon sequencing were performed to investigate the differences of epiphytic microbial communities inhabiting different varieties of wine grape berries. The results showed that the dominated phylum of different wine grape carpospheres were Proteobacteria, Actinomycetes, Firmicutes, Gemmatimonadete, and Bacteroidetes. The dominant bacterial genera of different wine grape varieties were Pseudomonas, Arthrobact

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Li, Dong Li, Wen Cai Xu, Zun Zhong Liu, Ya Bo Fu, and Ya Jun Wang. "The Influence of Flexible Film with Releasing Sulfur Dioxide on Quality of 'Vitis labruscana Kyoho' Table Grapes." Applied Mechanics and Materials 200 (October 2012): 305–11. http://dx.doi.org/10.4028/www.scientific.net/amm.200.305.

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An active packaging film (APF1) with releasing low concentration sulfur dioxide (SO2) was tested on quality of ‘vitis labruscana kyoho’ table grape. All samples were stored at 5°C and during the storage period the main quality parameters, weight loss, berries shatter, decay, firmness, total soluble solids content (TSS), total acid (TA, using the PH of grape juice instead of the TA ), Vitamin c (Vc) content were monitored and compared with the control sample unpacked in any film. Results demonstrated that APF1 could reduce water loss of table grapes, prevent it from pathogens infection. The res

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Pulung Nurtantio Andono and Siti Hadiati Nugraini. "Texture Feature Extraction in Grape Image Classification Using K-Nearest Neighbor." Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 6, no. 5 (2022): 768–75. http://dx.doi.org/10.29207/resti.v6i5.4137.

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Indonesian Grapes are a vine. This fruit is often found in markets, shops, roadside. Along with the development of computer technology today, computers can solve problems by classifying objects and objects. How to apply GLCM and K-NN methods for classification of grapes. The purpose of this study is to apply the GLCM and K-NN methods in the classification of grapes. The dataset used from kaggle.com sources, the data tested are 3 types of grapes, the number of images is 2624. The fruit that will be used for data collection and classification process is limited to three types of grapes, namely g

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Ferreira, Vicente, and Ricardo Lopez. "The Actual and Potential Aroma of Winemaking Grapes." Biomolecules 9, no. 12 (2019): 818. http://dx.doi.org/10.3390/biom9120818.

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This review intends to rationalize the knowledge related to the aroma of grapes and to the aroma of wine with specific origin in molecules formed in grapes. The actual flavor of grapes is formed by the few free aroma molecules already found in the pulp and in the skin, plus by those aroma molecules quickly formed by enzymatic/catalytic reactions. The review covers key aroma components of aromatic grapes, raisins and raisinized grapes, and the aroma components responsible from green and vegetal notes. This knowledge is used to explain the flavor properties of neutral grapes. The aroma potential

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Hasanaliyeva, Gultakin, Eleni Chatzidimitrou, Juan Wang, et al. "Effect of Organic and Conventional Production Methods on Fruit Yield and Nutritional Quality Parameters in Three Traditional Cretan Grape Varieties: Results from a Farm Survey." Foods 10, no. 2 (2021): 476. http://dx.doi.org/10.3390/foods10020476.

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The antioxidants found in grapes and wine have been linked to health benefits in humans, but may be affected by agronomic parameters, grape type/variety, and processing. Here, we report results of a farm survey which investigated the effects of production system (organic vs. conventional) and grape variety on fruit yield, total antioxidant activity/capacity (TAA, assessed by the Trolox Equivalent Antioxidant Capacity (TEAC) and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assays), and total concentrations of total phenolics (TPC) and anthocyanins (TAC) in grapes of one red (Kotsifal

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Martínez-Pérez, María Pilar, Ana Belén Bautista-Ortín, Paula Pérez-Porras, Ricardo Jurado, and Encarna Gómez-Plaza. "A New Approach to the Reduction of Alcohol Content in Red Wines: The Use of High-Power Ultrasounds." Foods 9, no. 6 (2020): 726. http://dx.doi.org/10.3390/foods9060726.

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Background: To obtain wines with a lower percentage of alcohol, the simplest approach would be an earlier harvest of the grapes. However, this has implications for the wine composition and quality, due to the lack of phenolic maturity that these grapes may present. A technological innovation that could help in this situation could be the use of ultrasound in wineries. Methods: Grapes were harvested with two different ripening levels (25.4 °Brix and 29 °Brix), transported to the winery, and vinified. Also, a large-scale high-power ultrasound system was used to treat part of the less mature grap

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Schorn-García, Daniel, Barbara Giussani, María Jesús García-Casas, et al. "Assessment of Variability Sources in Grape Ripening Parameters by Using FTIR and Multivariate Modelling." Foods 12, no. 5 (2023): 962. http://dx.doi.org/10.3390/foods12050962.

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The variability in grape ripening is associated with the fact that each grape berry undergoes its own biochemical processes. Traditional viticulture manages this by averaging the physicochemical values of hundreds of grapes to make decisions. However, to obtain accurate results it is necessary to evaluate the different sources of variability, so exhaustive sampling is essential. In this article, the factors “grape maturity over time” and “position of the grape” (both in the grapevine and in the bunch/cluster) were considered and studied by analyzing the grapes with a portable ATR-FTIR instrume

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Bayramoğlu, Ayşe, and Fatih Şen. "Polietilen Torbalarındaki Farklı Orandaki Açıklıkların ‘Sultani Çekirdeksiz’ Üzüm Çeşidinin Depolanmasına Etkileri." Turkish Journal of Agriculture - Food Science and Technology 10, no. 3 (2022): 381–87. http://dx.doi.org/10.24925/turjaf.v10i3.381-387.4398.

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This study was carried out to determine the effects of different openings onto the polyethylene (PE) packages used in storage of ‘Sultani Çekirdeksiz’ grape variety on quality, SO2 damage, pathological and physiological disorders of grapes. Grapes were harvested at full maturity and placed in PE bags with ‰0 (control), ‰0.5, ‰1 and ‰2 openings. After pre-cooling grapes in the case of SO2 pets were placed after the mouth of the bags were closed. Grapes were stored at 0°C and 90-95% relative humidity for 4 months, and quality changes were determined in monthly samples. SO2 concentrations detecte

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Pérez-Porras, Paula, Encarna Gómez Plaza, Leticia Martínez-Lapuente, et al. "High-Power Ultrasound in Enology: Is the Outcome of This Technique Dependent on Grape Variety?" Foods 12, no. 11 (2023): 2236. http://dx.doi.org/10.3390/foods12112236.

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The disruptive effect exerted by high-power ultrasound (US) on grape cell walls is established as the reason behind the chromatic, aromatic and mouthfeel improvement that this treatment causes in red wines. Given the biochemical differences that exist between the cell walls of different grape varieties, this paper investigates whether the effect of the application of US in a winery may vary according to the grape variety treated. Wines were elaborated with Monastrell, Syrah and Cabernet Sauvignon grapes, applying a sonication treatment to the crushed grapes using industrial-scale equipment. Th

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Islomov, Yorqin, Ulug’bek Yazdonov, Bekzod Tashtemirov, Aziza Akramova, and Nurali Islomov. "Results of grapes storage studies." E3S Web of Conferences 486 (2024): 02023. http://dx.doi.org/10.1051/e3sconf/202448602023.

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The article presents the main results on the influence of grapes on the human body, the influence of various drugs on the quality of grape storage and the where grapes are grown. The research methods, results of storage and their analysis of Rizamat and Khusaini grape varieties collected in private farms of the Akdarya region are presented. The main indicators are determined (average weight of a bunch, weight of berries, ridges, skins and number of berries), weight loss, scree, waste and general losses after three months of storage in special storage facilities are also determined. The researc

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Acheampong, Susanna, Etienne Lord, and D. Thomas Lowery. "Monitoring of Drosophila suzukii (Diptera: Drosophilidae) in Okanagan Valley vineyards, British Columbia, Canada, and assessment of damage to table and wine grapes (Vitaceae)." Canadian Entomologist 152, no. 4 (2020): 415–31. http://dx.doi.org/10.4039/tce.2020.39.

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AbstractSpotted-wing drosophila, Drosophila suzukii, (Matsumura) (Diptera: Drosophilidae), has become a serious pest of soft fruit in the Okanagan Valley of British Columbia, Canada since its detection in 2009. The study was conducted to determine the distribution of D. suzukii and damage levels in grapes. Apple cider vinegar-baited traps placed in table and wine grape (Vitis vinifera Linnaeus; Vitaceae) vineyards during 2011–2013 demonstrated that D. suzukii was numerous in all sites, with earliest emergence and highest numbers recorded in 2013. Drosophila suzukii were reared from intact and

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Senadeera, Wijitha, G. Adilettta, M. di Matteo, and P. Russo. "Drying Kinetics, Quality Changes and Shrinkage of Two Grape Varieties of Italy." Applied Mechanics and Materials 553 (May 2014): 362–66. http://dx.doi.org/10.4028/www.scientific.net/amm.553.362.

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Two varieties of grapes, white grape and red grape grown in the Campania region of Italy were selected for the study of drying characteristics, moisture diffusion, quality changes (colour) and shrinkage behaviour. Comparisons were made with treated and untreated grapes under constant drying condition of 50o C in a conventional drying system. This temperature was selected to represent farm drying conditions. Grapes were purchased from a local market from the same supplier to maintain the same size of grapes and same properties. An abrasive physical treatment was used as pretreatment. The drying

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Wang, Hsiuying. "Medical Benefits and Polymer Applications of Grapes." Polymers 17, no. 6 (2025): 750. https://doi.org/10.3390/polym17060750.

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Grapes are a fruit with origins dating back to ancient times. Their first recorded use, as mentioned in the Bible, was in winemaking. The abundance of bioactive compounds in grapes makes them highly valuable. So far, many varieties of cultivated grapes have been developed for table grapes, wine grapes, and raisin production. In addition to these uses, since grapes contain a variety of nutrients, including resveratrol, flavonoids (such as flavonols, anthocyanins, and catechins), melatonin, vitamins, acids, tannins, and other antioxidants, grape extracts have been widely studied for medical appl

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Delate, Kathleen, Andrea McKern, and Michelle Kirkland. "(378) Weed Management in Organic Grapes." HortScience 40, no. 4 (2005): 1068B—1068. http://dx.doi.org/10.21273/hortsci.40.4.1068b.

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Iowa was the sixth largest producer of grapes in the United States in the early 1900s, with 24,000 ha under production. The rapid expansion of petrochemicals post-World War II and grape's sensitivity to 2,4-D herbicides reduced vineyard size in Iowa to 28 ha in 2001. Recent state governmental support for organic fruit research and viticulture in general has led to the expansion of the grape and wine industry in Iowa. As of 2001, 5883 ha of organic grapes were produced in the United States. Challenges to organic grape production in the Midwest include diseases and weeds. The cultivation of Amer

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Vilela, Alice, and Teresa Pinto. "Grape Infusions: Between Nutraceutical and Green Chemistry." Sustainable Chemistry 2, no. 3 (2021): 441–66. http://dx.doi.org/10.3390/suschem2030025.

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By tradition, herbal infusions have been mainly consumed for their pleasant taste, but, nowadays, the consumer, along with the pleasantness of drinking a savory beverage, also looks for their health benefits. Grapes and grape/wine by-products are a rich source of health-promoting compounds, presenting great potential for the development of new beverages. Moreover, grape-infusion preparation is no more than a sustainable or green way of extracting polyphenols and other nutraceutical compounds from grapes and grape leaves. In this review, we summarize the benefits of drinking grape infusions and

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TOADER, Ana Maria, Cintia Lucia COLIBABA, Camelia Elena LUCHIAN, Andreea POPÎRDĂ, Bogdan NECHITA, and Valeriu COTEA. "THE AROMATIC PROFILE OF WHITE WINES OBTAINED FROM BIODYNAMIC AND CONVENTIONAL GROWN GRAPES IN ROMANIA." Journal of Applied Life Sciences and Environment 55, no. 2 (190) (2023): 167–80. http://dx.doi.org/10.46909/alse-552055.

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This study analyses the differences between wines obtained from grapes cultivated conventionally and those cultivated biodynamically. The wine samples studied were obtained from Rhein Riesling, Italian Riesling, Muscat Ottonel and Chardonnay grape varieties. Among these, four variants (one from each grape variety) were obtained from grapes following conventional cultural technologies, while the rest were from the same grape varieties cultivated biodynamically. All grapes and wines were produced in the Murfatlar vineyard, in south-east Romania. Basic chemical and sensorial analyses were applied

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Kazimova, İlhama, Ahad Nabiyev, and Elza Omarova. "Determining the pectinesterase enzyme activity when storing table grape varieties depending on the degree of ripening." Eastern-European Journal of Enterprise Technologies 6, no. 11 (114) (2021): 43–51. http://dx.doi.org/10.15587/1729-4061.2021.247963.

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Grapes are rich in easily digestible carbohydrates, mineral compounds, vitamins, phenolic compounds. and other vital components. It is known that fresh grapes can be used from September to December. To prolong the terms of consumption of this valuable raw material, the most appropriate varieties and conditions for storing grapes have been determined. White, pink, and red grape varieties were taken as the object of research. The changes in the activity of the pectinesterase enzyme were determined depending on the degree of ripening of table grape varieties, the change in the pectinesterase enzy

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Zhu, Yanjun, Tongxun Zhang, Lipeng Liu, Ping Liu, and Xiang Li. "Fast Location of Table Grapes Picking Point Based on Infrared Tube." Inventions 7, no. 1 (2022): 27. http://dx.doi.org/10.3390/inventions7010027.

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This study investigates the low mechanization level of grape picking, and the problems associated with the difficult location of grape picking points in three-dimensional space. A method for rapidly locating the picking points of table grapes based on an infrared tube was proposed in this paper. Firstly, the Otsu algorithm and the maximum connected domain were used to obtain the image of the target grape, which realized the fast recognition and segmentation of the target grape in two-dimensional space. Secondly, a location device for grape-picking points based on an infrared tube was designed,

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Ren, Zhongbo, and Jiang Lu. "113 Preliminary Study on Grafting between Vitis rotundifolia and V. vinifera Grapes." HortScience 34, no. 3 (1999): 461A—461. http://dx.doi.org/10.21273/hortsci.34.3.461a.

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Non-native grape species such as V. vinifera and V. labrusca can not sustain the hot and humid environment of Florida due to their susceptibility to various diseases. Vitis rotundifolia (muscadine grapes) is native to Florida and the southeastern United States and adapted well to this climate condition. They are highly resistant to almost all grape foliage diseases and root pests such as nematode and phylloxera. Theoretically, muscadine grapes may become a valuable rootstock for bunch grapes. Unfortunately, most previous studies found that muscadine grapes were graft-incompatible with bunch gr

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Ruiz-Rodríguez, Ana, Enrique Durán-Guerrero, Ramón Natera, Miguel Palma, and Carmelo G. Barroso. "Influence of Two Different Cryoextraction Procedures on the Quality of Wine Produced from Muscat Grapes." Foods 9, no. 11 (2020): 1529. http://dx.doi.org/10.3390/foods9111529.

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Freezing grapes is a winemaking technique known as cryoextraction that intends to modify the composition of the final wines. The changes that take place in the frozen grapes facilitate the transfer of certain compounds from the grape skins into the musts because of the grape’s unstructured tissues. For this study, the white grape variety Muscat of Alexandria was selected. Two different cryoextraction procedures have been analyzed as follows: (i) Ultrafast freezing, and (ii) liquid nitrogen freezing. The wines obtained using liquid nitrogen freezing exhibited higher levels of terpenoids, as wel

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Di Lorenzo, C., F. Colombo, E. Sangiovanni, et al. "Phenolic profile and biological activity of table grapes (Vitis vinifera L.)." BIO Web of Conferences 15 (2019): 04005. http://dx.doi.org/10.1051/bioconf/20191504005.

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Table grapes are largely produced and consumed in the Mediterranean area. Furthermore, in the last years, the commercial interest in table grapes and other non-alcoholic grape products has notably increased worldwide. In addition to the nutritional aspects, polyphenol compounds in fresh grapes could exert positive effects on human health. The aim of this study was the characterization of the phenolic pattern of sixteen grape varieties and the evaluation of the associated antioxidant capacity and anti-inflammatory activity at gastric level. The methods used were: 1) Folin-Cocalteau's assay for

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Jeločnik, Marko, Darko Jakšić, Mladen Petrović, and Ivan Bradić. "Creating added value as a step towards increasing sustainability in grape production sector." Ekonomika 70, no. 4 (2024): 1–15. https://doi.org/10.5937/ekonomika2404001j.

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Fresh grapes, or grape products are very often a part of daily meals, while grapes are economically among the most important agricultural products. Just growing grapes, or entering the wine production, choosing the right grapevine varieties according to occurred production and market conditions, usually it is not so easy to decide. In this paper, an economic analysis based on variable costs has been made, showing the possible way in value added creation at farm level in the national viticulture and winemaking. Gained research results show that grape processing into the wine is economically jus

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JOVANOVIC-CVETKOVIC, Tatjana, Rada GRBIC, Silva GROBELNIKMLAKAR, Borut BOSANCIC, and Miljan CVETKOVIC. "PHYSICOCHEMICAL EVALUATION OF THE GRAPE AND WINE OF THE BLATINA, TRNJAK AND VRANAC IN DIFFERENT VINTAGES." AgroLife Scientific Journal 12, no. 1 (2023): 105–15. http://dx.doi.org/10.17930/agl2023113.

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Typicality and style of wine are closely related to the varietal character of grapes, ecological properties of the locality, and the specificities of the winemaking process. For this reason, autochthonous and indigenous grape varieties are increasingly the subject of many studies. To protect their uniqueness, in the region of Hercegovina (Bosnia and Herzegovina), indigenous grape varieties are part of the current grape and wine production. Therefore, the subject of a two-year study (2018-2019) were indigenous wine varieties: Blatina, Trnjak, and Vranac. Variations in the values of the analyzed

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Pérez-Álvarez, Eva P., Diego S. Intrigliolo, María Pilar Almajano, Pilar Rubio-Bretón, and Teresa Garde-Cerdán. "Effects of Water Deficit Irrigation on Phenolic Composition and Antioxidant Activity of Monastrell Grapes under Semiarid Conditions." Antioxidants 10, no. 8 (2021): 1301. http://dx.doi.org/10.3390/antiox10081301.

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The high phenolic compound content of grapes makes them an important source of natural antioxidants, among other beneficial health properties. Vineyard irrigation might affect berry composition and quality. Regulated deficit irrigation (RDI) is a widely used strategy to reduce the possible negative impact of irrigation on grapes, improving grape composition and resulting in water savings. Monastrell grapevines (Vitis vinifera L.) grown in eastern Spain were subjected to two water regime strategies: rainfed (non-irrigation) and RDI. The content of anthocyanins, flavonols, flavanols, hydroxybenz

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Gao, Huanhuan, Xiangtian Yin, Xilong Jiang, et al. "Diversity and spoilage potential of microbial communities associated with grape sour rot in eastern coastal areas of China." PeerJ 8 (June 16, 2020): e9376. http://dx.doi.org/10.7717/peerj.9376.

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As a polymicrobial disease, sour rot decreases grape berry yield and wine quality. The diversity of microbial communities in sour rot-affected grapes depends on the cultivation site, but the microbes responsible for this disease in eastern coastal China, has not been reported. To identify the microbes that cause sour grape rot in this important grape-producing region, the diversity and abundance of bacteria and fungi were assessed by metagenomic analysis and cultivation-dependent techniques. A total of 15 bacteria and 10 fungi were isolated from sour rot-affected grapes. High-throughput sequen

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Parr, Baden, Mathew Legg, Stuart Bradley, and Fakhrul Alam. "Occluded Grape Cluster Detection and Vine Canopy Visualisation Using an Ultrasonic Phased Array." Sensors 21, no. 6 (2021): 2182. http://dx.doi.org/10.3390/s21062182.

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Grape yield estimation has traditionally been performed using manual techniques. However, these tend to be labour intensive and can be inaccurate. Computer vision techniques have therefore been developed for automated grape yield estimation. However, errors occur when grapes are occluded by leaves, other bunches, etc. Synthetic aperture radar has been investigated to allow imaging through leaves to detect occluded grapes. However, such equipment can be expensive. This paper investigates the potential for using ultrasound to image through leaves and identify occluded grapes. A highly directiona

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İlhama, Kazimova, Nabiyev Ahad, and Omarova Elza. "Determining the pectinesterase enzyme activity when storing table grape varieties depending on the degree of ripening." Eastern-European Journal of Enterprise Technologies 6, no. 11 (114) (2021): 43–51. https://doi.org/10.15587/1729-4061.2021.247963.

Full text

Abstract:

Grapes are rich in easily digestible carbohydrates, mineral compounds, vitamins, phenolic compounds. and other vital components. It is known that fresh grapes can be used from September to December. To prolong the terms of consumption of this valuable raw material, the most appropriate varieties and conditions for storing grapes have been determined. White, pink, and red grape varieties were taken as the object of research. The changes in the activity of the pectinesterase enzyme were determined depending on the degree of ripening of table grape varieties, the change in the pectinesterase enzy

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