Results 41 to 50 of about 1,265,904 (324)

Antioxidant White Grape Seed Phenolics: Pressurized Liquid Extracts from Different Varieties

open access: yesAntioxidants, 2015
Grape seeds represent a high percentage (20% to 26%) of the grape marc obtained as a byproduct from white winemaking and keep a vast proportion of grape polyphenols.
Carmen Garcia-Jares   +5 more
doaj   +1 more source

Relationship between antiradical activity, polyphenolic antioxidants and free trans-resveratrol in grapes (Vitis vinifera L.)

open access: yesHorticultural Science, 2005
Contents of polyphenolic antioxidants as total polyphenols (TP), free trans-resveratrol (R) and their antiradical activity (ARA) in grape skins and seeds of grape varieties and TP in grape musts originating from 5 wine-growing Czech areas from the ...
M. Šulc   +3 more
doaj   +1 more source

Nontarget Metabolomics of Grape Seed Metabolites Produced by Various Scion–Rootstock Combinations

open access: yesJournal of the American Society for Horticultural Science, 2020
The use of resistant rootstocks is an inevitable trend in the development and production of grapes (Vitis sp.). The present study analyzed differences in the metabolites in grape seeds of different rootstock combinations (1103P, 5C, SO4, 3309C, 140R, and
Zhijun Zhang   +6 more
doaj   +1 more source

Direct microwave treatment enhances antioxidant and antibacterial properties of the seed extracts of Kékfrankos grapes

open access: yesHeliyon, 2023
The Kékfrankos is the most frequently cultivated wine grape in Hungary, with a significant national and regional impact, resulting in considerable amounts of byproducts (e.g. pomace, seeds).
Tamás Hofmann   +7 more
doaj   +1 more source

Characteristics of Compost Obtained from Winemaking Byproducts [PDF]

open access: yes, 2017
A model procedure for the sustainable management of plant biomass related to wine production, namely vine branches from agricultural practices in the vineyard and marcs remaining after grapes crushing, was devised.
Carlot, Milena   +8 more
core   +1 more source

Impact of Deep Eutectic Solvents on Extraction of Polyphenols from Grape Seeds and Skin

open access: yesApplied Sciences, 2020
In the past few years, research efforts have focused on plant exploitation for deriving some valuable compounds. Extraction has been usually performed using petrochemical and volatile organic solvents, but nowadays, increased recognition of environmental
Nevena Dabetić   +4 more
semanticscholar   +1 more source

Wine Fining with Plant Proteins [PDF]

open access: yes, 2019
: Fining treatments involve the addition of a substance or a mixture to wine, and are generally carried out in order to clarify, stabilize or modify the wine\u2019s organoleptic characteristics. Usually these fining agents will bind the target compound(s)
Curioni, Andrea   +2 more
core   +1 more source

Potential of Grape Wastes as a Natural Source of Bioactive Compounds

open access: yesMolecules, 2018
Grapes are widely used in the wine and juice industries, which can lead to massive amounts of waste, mostly grape peels and seeds. The antioxidant capacities, total phenolic and flavonoid contents and phenolic profiles of peels and seeds from 30 grape ...
Guo-Yi Tang   +9 more
doaj   +1 more source

Activated carbon from grape seeds upon chemical activation with phosphoric acid: Application to the adsorption of diuron from water [PDF]

open access: yes, 2012
The preparation of activated carbon from grape seeds was studied by chemical activation with phosphoric acid. Grape seeds were pretreated with sulfuric acid to improve wettability and impregnated at different grape seed to phosphoric acid ratios (1:1-1:4)
Al Bahri, M   +3 more
core   +1 more source

Potential of a sunflower seed by-product as animal fat replacer in healthier Frankfurters [PDF]

open access: yes, 2020
Upcycled defatted sunflower seed flour (SUN), a by-product obtained from sunflower oil extraction, was used as an animal fat replacer to develop healthier frankfurters.
Grasso, Simona   +4 more
core   +1 more source

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