Results 31 to 40 of about 1,027,807 (302)

Screening the effect of four ultrasound-assisted extraction parameters on hesperidin and phenolic acid content of aqueous citrus pomace extracts [PDF]

open access: yes, 2018
Polyphenols of citrus by-products, due to their antioxidant and antimicrobial activities, could be valorized by pharmaceutical and food industries, adding a value to the citrus processing companies.
Bowyer, Michael C.   +6 more
core   +2 more sources

Sporopollenin, a natural copolymer, is robust under high hydrostatic pressure [PDF]

open access: yes, 2016
Lycopodium sporopollenin, a natural copolymer, shows exceptional stability under high hydrostatic pressures (10 GPa) as determined by in situ high pressure synchrotron source FTIR spectroscopy.
Barsoum R. G. S.   +6 more
core   +1 more source

Binding Studies of Caffeic and p-Coumaric Acid with α-Amylase: Multispectroscopic and Computational Approaches Deciphering the Effect on Advanced Glycation End Products (AGEs)

open access: yesMolecules, 2022
Alpha-amylase (α-amylase) is a key player in the management of diabetes and its related complications. This study was intended to have an insight into the binding of caffeic acid and coumaric acid with α-amylase and analyze the effect of these compounds ...
M. Khan   +6 more
semanticscholar   +1 more source

COSY catalyses trans-cis isomerization and lactonization in the biosynthesis of coumarins [PDF]

open access: yes, 2019
Coumarins, also known as 1,2-benzopyrones, comprise a large class of secondary metabolites that are ubiquitously found throughout the plant kingdom.
Boerjan, Wout   +15 more
core   +1 more source

Evaluation of Antioxidant Activity, Total Flavonoids, Tannins and Phenolic Compounds in Psychotria Leaf Extracts

open access: yesAntioxidants, 2014
The antioxidant activity of Psychotria carthagenensis, P. leiocarpa, P. capillacea and P. deflexa (Rubiaceae) extracts were investigated, and the concentrations of total phenolics, flavonoids, condensed tannins and flavonols were determined. The chemical
Anelise Samara Nazari Formagio   +5 more
doaj   +1 more source

Highly Active and Specific Tyrosine Ammonia-Lyases from Diverse Origins Enable Enhanced Production of Aromatic Compounds in Bacteria and Saccharomyces cerevisiae [PDF]

open access: yes, 2015
Phenylalanine and tyrosine ammonia-lyases form cinnamic acid and p-coumaric acid, which are precursors of a wide range of aromatic compounds of biotechnological interest.
Borodina, Irina   +8 more
core   +1 more source

Water extract of Cryphaea heteromalla (Hedw.) D. Mohr bryophyte as a natural powerful source of biologically active compounds [PDF]

open access: yes, 2019
Bryophytes comprise of the mosses, liverworts, and hornworts. Cryphaea heteromalla, (Hedw.) D. Mohr, is a non-vascular lower plant belonging to mosses group. To the date, the most chemically characterized species belong to the liverworts, while only 3.2%
Biagio P. L. S.   +12 more
core   +1 more source

Isolation, Characterization, and RP-HPLC Estimation of P-Coumaric Acid from Methanolic Extract of Durva Grass (Cynodon dactylon Linn.) (Pers.)

open access: yesInternational Journal of Analytical Chemistry, 2015
P-coumaric acid is a nonflavonoid phenolic acid and is a major constituent of the species Cynodon dactylon Linn. (Pers.). In this study isolation of P-coumaric acid was achieved by preparative TLC and the compound thus isolated was characterised by UV ...
Ramadoss Karthikeyan   +2 more
doaj   +1 more source

Electrochemical Behavior and Antioxidant and Prooxidant Activity of Natural Phenolics

open access: yesMolecules, 2007
We have investigated the electrochemical oxidation of a number natural phenolics (salicylic acid, m-hydroxybenzoic acid, p-hydroxybenzoic acid, protocatechuic acid, o-coumaric acid, m-coumaric acid, p-coumaric acid, caffeic acid, quercetin and rutin ...
Marija Todorović   +3 more
doaj   +1 more source

Glucose-Derived Raspberry Ketone Produced via Engineered Escherichia coli Metabolism

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
The demand for raspberry ketone (RK) as a plant-based natural flavoring agent is high, but natural RK is one of the most expensive flavor compounds due to its limited content in plants.
Shunsuke Masuo   +5 more
doaj   +1 more source

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