Results 31 to 40 of about 93,464 (303)

Estimation of Total Phenols, Flavanols and Extractability of Phenolic Compounds in Grape Seeds Using Vibrational Spectroscopy and Chemometric Tools [PDF]

open access: yes, 2018
Near infrared hyperspectral data were collected for 200 Syrah and Tempranillo grape seed samples. Next, a sample selection was carried out and the phenolic content of these samples was determined.
Baca Bocanegra, Berta   +3 more
core   +1 more source

Antioxidant Capacity and Antimicrobial Activity of Commercial Samples of Guava Leaves (\u3cem\u3ePsidium guajava\u3c/em\u3e) [PDF]

open access: yes, 2020
Psidium guajava is a small tree native to South and Central America. Guava leaves have traditionally been used for treating different illnesses. These benefits can be attributed to phenolics and flavonoids produced by guava.
Alsaidi, Sahar   +11 more
core   +2 more sources

Recovery of Polyphenols from Brewer’s Spent Grains [PDF]

open access: yes, 2019
peer-reviewedThe recovery of antioxidant polyphenols from light, dark and mix brewer’s spent grain (BSG) using conventional maceration, microwave and ultrasound assisted extraction was investigated.
Birsan, Rares   +3 more
core   +2 more sources

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

open access: yes, 2022
Hepatology, EarlyView.
Robert J. Fontana   +6 more
wiley   +1 more source

Formation, Tentative Mass Spectrometric Identification, and Color Stability of Acetaldehyde-Catalyzed Condensation of Red Radish (Raphanus sativus) Anthocyanins and (+) Catechin

open access: yesBeverages, 2019
Red radish anthocyanins are relatively stable due to the acylation of anthocyanins with organic and phenolic acid moieties. The objective of this study was to create and identify a novel ethyl-bridged acylated anthocyanin with a stable violet color from ...
Nathan B. Stebbins   +5 more
doaj   +1 more source

Mesoporous Silica Systems Loaded with Polyphenols

open access: yesChemistry Proceedings, 2022
In this work, we obtain mesoporous silica systems loaded with polyphenolic compounds (p-coumaric acid, trans-ferulic acid, epicatechin, and catechin).
Gabriela Petrisor   +7 more
doaj   +1 more source

Moroccan propolis: a natural antioxidant, antibacterial, and antibiofilm against Staphylococcus aureus with no induction of resistance after continuous exposure [PDF]

open access: yes, 2018
This study was performed to evaluate the total phenols, flavonoids, and antioxidant activities of twenty-four propolis samples from different regions of Morocco.
AAZZA, Smail   +7 more
core   +1 more source

Effect of Catechins on the Physicochemical, Structural and Gel Properties of Myosin in Tilapia

open access: yesShipin gongye ke-ji
This study investigated the influence of different mass concentrations of catechin (0~1.00 mg/mL) on the physicochemical characteristics, structures, and gel properties of myosin, through analyses of the turbidity, particle size, Zeta potential, surface ...
Yuyu HANG, Yang ZHANG, Du TAN, Yaqin HU
doaj   +1 more source

Phytochemical and Antioxidant Characterization of Extracts from Unexplored Medicinal Plants Salix schwerinii and Salix kochiana

open access: yesHorticulturae, 2023
For a long time, species of the genus Salix have been widely utilized and studied as medicinal plants; however, the biological activity and phytochemical composition of Salix schwerinii (SS) and S. kochiana (SK) have not been studied at all.
Jeongho Lee   +7 more
doaj   +1 more source

Beyond antioxidants: the cellular and molecular interactions of flavonoids and how these underpin their actions on the brain [PDF]

open access: yes, 2010
The consumption of flavonoid-rich foods and beverages has been suggested to limit the neurodegeneration associated with a variety of neurological disorders and to prevent or reverse normal or abnormal deteriorations in cognitive performance.
Spencer, Jeremy Paul
core   +1 more source

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