Results 51 to 60 of about 54,718 (265)

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

Applications of Biomaterials in Separators for Secondary Batteries

open access: yesCarbon Energy, EarlyView.
In this review, biomaterial‐based separators are reviewed as sustainable alternatives to conventional polyolefin‐based separators. For 12 different natural polymers, spanning from Protista, Plantae, and Animalia, viable strategies for synthesizing biomass‐based separators are described.
Jongyoung Choi   +3 more
wiley   +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

Plant‐Derived Extracts Disrupt Biofilm Formation and Quorum Sensing in Yersinia enterocolitica: Insights From GC‐MS and Molecular Docking

open access: yesFood Chemistry International, EarlyView.
The graphical abstract represents how natural plant products that preferentially target the specific receptors of quorum sensing could be developed to combat biofilms linked to Yersinia enterocolitica using the potent abilities of protein–ligand complexes with high docking scores.
Rajendran Thomas   +7 more
wiley   +1 more source

On catechins

open access: yesKazan medical journal, 1934
Blum distinguishes in opposition to hormones, which are in the body excitatory effective substances (Treibstoffe), catechins-Bremsstoffe-or "inhibitory substances" (from the Greek word-contain in known limits), whose role is to prevent the increased activity (Ueberwirkung) of hormones, or to soften and modify their action.
openaire   +1 more source

Binding of Catechins to Staphylococcal Enterotoxin A [PDF]

open access: yesMolecules, 2018
Staphylococcal enterotoxin A (SEA) is a toxin protein, and is the most common cause of staphylococcal food poisoning. Polyphenols, such as catechins, are known to interact with proteins. In this study, we investigated the binding of catechins to SEA using SPR (Biacore), Fourier transform infrared spectroscopy (FT-IR), isothermal titration calorimetry ...
Shimamura, Yuko   +10 more
openaire   +3 more sources

Evaluation of Nutritional and Bioactive Compounds in Tea and Botanical Marc Following Industrial Liqueur Maceration

open access: yesFood Chemistry International, EarlyView.
Industrial botanical marc retained valuable phytochemicals, antioxidants, catechins, and caffeine after ethanol maceration, with composition varying by botanical source and processing. These underutilized by‐products represent promising, safe, and sustainable feedstocks for recovering bioactive compounds for food, nutraceutical, and functional ...
Veronika Šimora   +7 more
wiley   +1 more source

The Antifolate Activity of Tea Catechins [PDF]

open access: yesCancer Research, 2005
Abstract A naturally occurring gallated polyphenol isolated from green tea leaves, (−)-epigallocatechin gallate (EGCG), has been shown to be an inhibitor of dihydrofolate reductase (DHFR) activity in vitro at concentrations found in the serum and tissues of green tea drinkers (0.1-1.0 μmol/L).
Enma, Navarro-Perán   +5 more
openaire   +2 more sources

Stabilization Strategies for Catechins and Epicatechins: Recent Advances

open access: yesFood Chemistry International, EarlyView.
Oxidation, epimerization, polymerization, and hydrolysis, driven by heat, pH, and oxygen, are pathways. Nano‐/microencapsulation maintains integrity with 70%–95% efficiency; biopolymer nanoparticles, starch/polysaccharide nanocarriers improve stability and dispersion. Lipid nanocarriers enhance bioavailability but raise oxidation risk.
Nuzhat Shamim   +5 more
wiley   +1 more source

Effect of Pressing Process on Metabolomics Profiling and Sensory Properties: A Comparative Study of Fu Brick Tea Versus Fu Loose Tea from Identical Raw Dark Tea

open access: yesFoods
Fu tea is a unique microbially fermented tea from China, and has two types. The primary distinction between these two types—Fu brick tea (FBT) and Fu loose tea (FLT)—is that FBT is compressed into bricks, whereas FLT is maintained as loose leaves.
Yan Liang   +6 more
doaj   +1 more source

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