Results 21 to 30 of about 22,839 (231)

The effect of coumaric acid on corrosion of iron

open access: yesCurrent topics in electrochemistry, 2021
Materials like iron and its alloys (mild steel, stainless steel) are subject of longstanding technological interest for engineering applications due to many advantages. However, one of the major drawbacks is a complex anodic dissolution of iron in contact with an environment containing ionically conducting species which depends greatly upon composition
Škugor Rončević, Ivana   +3 more
openaire   +3 more sources

Fatty acid profile, mineral content and bioactive compounds of cocoa spreads supplemented with baru almonds (Dipteryx alata Vog.)

open access: yesGrasas y Aceites, 2020
The present study aimed to perform a chromatographic and spectrophotometric characterization of the bioactive compounds, antioxidants, phenolics, profile of fatty acids and minerals in spreads supplemented with different contents of baru almonds.
M. L.L. Campidelli   +5 more
doaj   +1 more source

Investigation of Antioxidant Synergisms and Antagonisms among Phenolic Acids in the Model Matrices Using FRAP and ORAC Methods

open access: yesAntioxidants, 2022
The total antioxidant potential of a sample cannot be predicted from the antioxidant activity of its compounds; thus, scientists usually explain the overall activity through their combined effects (synergistic, antagonistic, or additive).
Danijela Skroza   +7 more
doaj   +1 more source

A ¹H NMR Investigation of the Interaction between Phenolic Acids Found in Mango (Manguifera indica cv Ataulfo) and Papaya (Carica papaya cv Maradol) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) Free Radicals. [PDF]

open access: yesPLoS ONE, 2015
The benefits of phenolic acids on human health are very often ascribed to their potential to counteract free radicals to provide antioxidant protection.
Luis M López-Martínez   +4 more
doaj   +1 more source

Computational Insights and In Vitro Validation of Antibacterial Potential of Shikimate Pathway-Derived Phenolic Acids as NorA Efflux Pump Inhibitors

open access: yesMolecules, 2022
The expression of the efflux pump systems is the most important mechanism of antibiotic resistance in bacteria, as it contributes to reduced concentration and the subsequent inactivity of administered antibiotics.
Karishma Singh   +3 more
doaj   +1 more source

Flavonoids and Phenolic Acids Content in Cultivation and Wild Collection of European Cranberry Bush Viburnum opulus L.

open access: yesMolecules, 2023
Guelder rose (Viburnum opulus L.) is known for its health benefits. V. opulus contains phenolic compounds (flavonoids and phenolic acids), a group of plant metabolites with wide biological activities.
Sylwia Goławska   +3 more
doaj   +1 more source

HPLC–DAD of phenolics in bryophytes Lunularia cruciata, Brachytheciastrum velutinum and Kindbergia praelonga [PDF]

open access: yesJournal of the Serbian Chemical Society, 2008
The chemistry of bryophytes is not well known. The available data indicate interesting chemical constitutions of some bryophyte species, i.e., active and new compounds are to be found within bryophytes, especially liverworts. In this study, one liverwort
NEBOJSA JOCKOVIC   +3 more
doaj   +3 more sources

Artificial biosynthesis of phenylpropanoic acids in a tyrosine overproducing Escherichia coli strain

open access: yesMicrobial Cell Factories, 2012
Background The phenylpropanoid metabolites are an extremely diverse group of natural products biosynthesized by plants, fungi, and bacteria. Although these compounds are widely used in human health care and nutrition services, their availability is ...
Kang Sun-Young   +5 more
doaj   +1 more source

Phenolic Acids Composition of Fruit Extracts of Ber (Ziziphus mauritiana L., var. Golo Lemai) [PDF]

open access: yesPakistan Journal of Analytical & Environmental Chemistry, 2012
Fruits of Ziziphus mauritiana L. (ber) are consumed in fresh and dried/processed form in many countries across Asia including Pakistan. In the present study, we analyzed the composition of total phenolic acids (free, soluble-bound and insoluble-bound ...
Devanand L. Luthria   +3 more
doaj  

Organic Salts of p-Coumaric Acid and Trans-Ferulic Acid with Aminopicolines [PDF]

open access: yesMolecules, 2020
p-Coumaric acid (pCA) and trans-ferulic acid (TFA) were co-crystallised with 2-amino-4-picoline (2A4MP) and 2-amino-6-picoline (2A6MP) producing organic salts of (pCA−)(2A4MP+) (1), (pCA̶ )(2A6MP+) (2) and (TFA̶ )(2A4MP+)·( 3 2 H2O) (3). For salt 3, water was included in the crystal structure fulfilling a bridging role.
Sosthene Nyomba Kamanda, Ayesha Jacobs
openaire   +3 more sources

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