Results 11 to 20 of about 92,066 (289)

Impact of fermentation, drying, roasting and Dutch processing on flavan-3-ol stereochemistry in cacao beans and cocoa ingredients

open access: yesChemistry Central Journal, 2011
This paper reports a systematic study of the level of flavan-3-ol monomers during typical processing steps as cacao beans are dried, fermented and roasted and the results of Dutch-processing.
Miller Kenneth B   +5 more
doaj   +1 more source

Expression of Key Structural Genes of the Phenylpropanoid Pathway Associated with Catechin Epimerization in Tea Cultivars

open access: yesFrontiers in Plant Science, 2017
Catechin epimerization is an important factor affecting tea catechin compositions and thereby tea quality. However, a lack of tea germplasms with high non-epicatechins limits relative research.
Changsong Chen   +8 more
doaj   +1 more source

Rapid determination of simple polyphenols in grapes by HPLC using a monolithic column [PDF]

open access: yes, 2010
The development of a rapid, reliable and reproducible LC method for the determination and quantification of 13 polyphenols (gallic acid, protocatechuic aldehyde, gentisic acid, catechin, vanillinic acid, caffeic acid, vanillin, epicatechin ...
Brigui, Jamal   +4 more
core   +2 more sources

Determination of catechins in cosmetics by high⁃performance liquid chromatography

open access: yesShanghai yufang yixue, 2022
ObjectiveTo establish a high⁃performance liquid chromatography (HPLC) quantitative method for the determination of epicatechin (EC), (-)⁃epicatechin gallate (ECG), (-)⁃epigallocatechin (EGC), (-)⁃epigallocatechin gallate (EGCG), (-)⁃gallocatechin (GC), (-
RU Ge   +3 more
doaj   +1 more source

Soluble and insoluble-bound phenolics and antioxidant activity of various industrial plant wastes [PDF]

open access: yes, 2019
The potential of selected industrial food wastes from juice and nut production including apple peel, apple pomace, pomegranate peel, pomegranate seed, chestnut shell, and black carrot pomace as resources for natural antioxidants was investigated. Soluble
Gulsunoglu, Zehra   +3 more
core   +2 more sources

Encapsulation of Catechin into β-Glucan Matrix Using Wet Milling and Ultrasonication as a Coupled Approach: Characterization and Bioactivity Retention

open access: yesFoods, 2022
In this study, the nanoencapsulation of catechin into the β-glucan matrix from oats [O-Glu (C)] and barley [B-Glu (C)] was performed using the coupled approach of ultrasonication and wet milling.
Asima Shah   +5 more
doaj   +1 more source

Chemical characterization of an encapsulated red wine powder and its effects on neuronal cells [PDF]

open access: yes, 2018
Red wine polyphenols are known for their implications for human health protection, although they suffer from high instability. For this reason, a red wine powder was prepared by freeze-drying encapsulation in maltodextrin/arabic gum matrix, and its ...
Chirife, Jorge   +3 more
core   +1 more source

Food-Grade Microencapsulation Systems to Improve Protection of the Epigallocatechin Gallate

open access: yesFoods, 2022
Epigallocatechin gallate (EGCG) is a catechin and one of the most abundant polyphenols in green tea, and it is under research for its potential benefit to human health and for its potential to be used in disease treatments, such as for cancer.
Mathis Ralaivao   +3 more
doaj   +1 more source

Valorization of American Barrel-Shoot Wastes: Effect of Post Fermentative Addition and Readdition on Phenolic Composition and Chromatic Quality of Syrah Red Wines [PDF]

open access: yes, 2020
The influence of post fermentative addition of American barrel-shoot wastes on phenolic composition and chromatic quality of Syrah red wines has been evaluated as an environmentally sustainable alternative to the conventional winemaking for avoiding the ...
Baca Bocanegra, Berta   +3 more
core   +1 more source

Catechins inhibit atherosclerosis in male rats on a high fat diet

open access: yesUniversa Medicina, 2015
Background A catechin isolate from the green tea clone GMB 4, which shows antioxidant activity, may be a candidate drug for prevention of atherosclerosis.
Erna Susanti   +2 more
doaj   +1 more source

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