Results 21 to 30 of about 132,790 (364)

Total phenolics and total flavonoids in selected Indian medicinal plants

open access: yesIndian Journal of Pharmaceutical Sciences, 2012
Plant phenolics and flavonoids have a powerful biological activity, which outlines the necessity of their determination. The phenolics and flavonoids content of 20 medicinal plants were determined in the present investigation. The phenolic content was determined by using Folin-Ciocalteu assay.
Sulaiman, C. T., Balachandran, Indira
openaire   +3 more sources

Chemical Composition, Antioxidant and Hypoglycemic Activities of Phenolic Fractions from Sargassum pallidum [PDF]

open access: yesShipin Kexue, 2023
Three forms of soluble phenolics, free phenolics (FP), esterified-bound phenolics (EP) and glycoside-bound phenolics (GP), were extracted from Sargassum pallidum, and their chemical composition was identified by ultra-high performance liquid ...
XIE Xing, WANG Siyu, WANG Peixin, ZHANG Lu, TU Zongcai, CHEN Chun, FU Xiong
doaj   +1 more source

Nutritional and Defensive Chemistry of Three North American Ash Species: Possible Roles in Host Performance and Preference by Emerald Ash Borer Adults [PDF]

open access: yes, 2018
Black ash (Fraxinus nigra), green ash (F. pennsylvanica), and white ash (F. americana) are the three most abundant ash species in the northeastern USA.
Chen, Yigen, Poland, Therese M
core   +3 more sources

Root starches enriched with proteins and phenolics from Pachyrhizus ahipa roots as gluten‐free ingredients for baked goods [PDF]

open access: yes, 2020
Ahipa is a gluten-free starchy root, bearing phenolics and a protein content of ~9% db. Ahipa proteins are hydrosoluble, thus they are lost during starch extraction.
AOAC   +4 more
core   +1 more source

The Comparison of Total Phenolics, Total Antioxidant, and Anti-Tyrosinase Activities of Korean Sargassum Species

open access: yesJournal of Food Quality, 2021
Sargassum species, a group of marine brown algae consumed in Asian countries, have shown various health benefits, such as improving the conditions of cardiovascular disease, osteoarthritis, and hypopigmentation.
Su Hyeon Baek   +5 more
doaj   +1 more source

Estimation of phytochemical constituents and in vitro antioxidant potencies of Brachychiton populneus (Schott & Endl.) R.Br.

open access: yesBMC Chemistry, 2019
Background Plants either in raw form or their isolated bioactive constituents are utilized as complementary and alternative medicine in various disorders. The present study was designed to evaluate chief phytochemical constituents of various fractions of
Riffat Batool   +4 more
doaj   +1 more source

Profiles of Free and Bound Phenolics and Their Antioxidant Capacity in Rice Bean (Vigna umbellata)

open access: yesFoods, 2023
Rice bean (Vigna umbellata) is a medicinal and dietary legume rich in polyphenols. In this study, the free and bound phenolics in rice bean were extracted by water, 80% methanol, and acid, base, and composite enzymatic hydrolysis, respectively.
Qinzhang Jiang   +5 more
doaj   +1 more source

Developmental stage is an important factor that determines the antioxidant responses of young and old grapevine leaves under UV irradiation in a green-house. [PDF]

open access: yes, 2011
The impact of UV irradiation was studied on photosynthesis, photosystem II photochemical yields and antioxidant responses using green-house grown grapevine (Vitis vinifera L. cv. Chardonnay) leaves.
Hideg, Éva, Majer, Petra
core   +1 more source

PENGARUH RASIO PELARUT TERHADAP EKSTRAKSI DARI KULIT BUAH NAGA MERAH (Hylocereus polyrhizus)

open access: yesKovalen: Jurnal Riset Kimia, 2019
This study aims to determine the effect of the ratio of solvents to extract yield, phenolics total and IC50 values ​​of red dragon fruit peel and also get the optimal solvent ratio to obtain extract yield, phenolics total and the highest or best IC50 ...
Amalia Noviyanty   +2 more
doaj   +1 more source

Antifungal effect and reduction of Ulmus minor symptoms to Ophiostoma novo-ulmi by carvacrol and salicylic acid [PDF]

open access: yes, 2010
There are still no effective means to control Dutch elm disease (DED), caused by the vascular fungi Ophiostoma ulmi and O. novo-ulmi. Plant phenolics may provide a new strategy for DED control, given their known antifungal activity against pathogens and ...
García-Vallejo, María C.   +4 more
core   +1 more source

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