Results 41 to 50 of about 1,096,425 (203)

Comparative study of phenolic acids from underground parts of Rheum palmatum L., R. rhaponticum L. and R. undulatum L.

open access: yesActa Societatis Botanicorum Poloniae, 2011
In three species of Rheum L. genus growing in Poland the composition of phenolic acids was determined. By 2D-TLC method the following acids were identified: ellagic, chlorogenic, gallic, protocatechuic, homoprotocatechuic, caffeic, α-resorcilic, p ...
Helena Danuta Smolarz, Ewa Medyńska
doaj   +1 more source

Effects of Organic Acids, Amino Acids and Phenolic Compounds on Antioxidant Characteristic of Zhenjiang Aromatic Vinegar

open access: yesMolecules, 2019
Zhenjiang aromatic vinegar (ZAV) is one of the famous Chinese vinegars, which contains various physicochemical and bioactive compositions. In the present study, physicochemical properties and total antioxidant activity were detected in ZAV samples.
Bo Zhang   +7 more
doaj   +1 more source

Atividade antioxidante e identificação dos ácidos fenólicos do gengibre (Zingiber officinale ROSCOE) [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em Ciência dos Alimentos.Os extratos etéreo, acetônico, alcoólico e aquoso de gengibre (Zingiber officinale Roscoe) foram avaliados ...
Beal, Bianca Helena
core  

Environmental and cultivar variability in composition, content and biological activity of phenolic acids and alkylresorcinols of winter wheat grains from a multi-site field trial across Europe [PDF]

open access: yes, 2022
Different factors such as the genotype, environmental conditions, temperature stress, solar radiation and others can influence the phytochemical status of plants.
Derycke, V.   +43 more
core   +1 more source

Physiological mechanism of improved tolerance of Saccharomyces cerevisiae to lignin-derived phenolic acids in lignocellulosic ethanol fermentation by short-term adaptation

open access: yesBiotechnology for Biofuels, 2019
Background Phenolic acids are lignin-derived fermentation inhibitors formed during many pretreatment processes of lignocellulosic biomass. In this study, vanillic, p-hydroxybenzoic, and syringic acids were selected as the model compounds of phenolic ...
Hanqi Gu   +9 more
doaj   +1 more source

The Study of the Antioxidant Activity of Phenolic Components of Manuka Honey [PDF]

open access: yes, 2011
The phenolic compounds of honey have been known to pose significantly antioxidant activity, including iron-binding and free radical scavenging activity. Manuka honey has been widely used in wound treatment and the antioxidant activity of manuka honey is ...
Wang, Hao
core  

Phenolic acids in plants [PDF]

open access: yes, 2021
CHARLES UNIVERSITY PHARMACEUTICAL FACULTY IN HRADEC KRÁLOVÉ DEPARTMENT OF PHARMACEUTICAL BOTANY Title of the Diploma thesis: FENOLIC ACIDS IN PLANTS Candidate: Lucie Klížová Supervisor: PharmDr. Jana Karlíčková, Ph.D. Diploma thesis 2020/2021, pp.
Klížová, Lucie
core  

Content of phenolic acids in rye caryopses determined using DAD-HPLC method

open access: yesCzech Journal of Food Sciences, 2001
Phenolic compounds were extracted from rye caryopses with 80% (v/v) methanol. Phenolic acids were determined as free compounds and those liberated from soluble esters and glycosides.
R. Amarowicz, S. Weidner
doaj   +1 more source

Metabolism of phenolic acids in whole wheat and rye malt sourdoughs

open access: yes, 2019
This work aimed to study the phenolic acid metabolism of sourdough lactic acid bacteria (LAB) in laboratory media, and in sourdough fermentation with single cultures and in co-fermentations.
Bai, Yunpeng   +2 more
core   +1 more source

Accumulation of Phenolic Acids during Storage over Differently Handled Fresh Carrots

open access: yesFoods, 2020
Carrots contain a significant content of phenolic compounds, mainly phenolic acids. Technological processing of carrots inflicts wounding stress and induces accumulation of these compounds, especially caffeic acid derivatives, in the periderm tissue.
Jarkko Hellström   +2 more
doaj   +1 more source

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