Results 41 to 50 of about 843,597 (196)

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

Spectrophotometric Characterization of the Action of Tyrosinase on p-Coumaric and Caffeic Acids: Characteristics of o-Caffeoquinone

open access: yes, 2017
\ua9 2017 American Chemical Society. New methods are proposed to determine the activity of tyrosinase on caffeic and p-coumaric acids. Because o-quinone from caffeic acid is unstable in its presence, it has been characterized through spectrophotometric ...
Garcia-Jimenez A   +4 more
core   +4 more sources

Geometrical inversion in the acids derived from the Coumarins Part VII. The behaviour of acetyl coumaric acids

open access: yes, 1939
The acetyl derivatives of coumaric, 4-methylcoumaric, 5-nitrocoumaric, psoralic and isopsoralic acids have been prepared and their behavior studied under conditions which bring about trans to cis inversion.
Nageswara Sastri, V. D.   +2 more
core   +1 more source

AD–OX: A sequential oxidative process for water treatment— Adsorption and batch CWAO regeneration of activated carbon [PDF]

open access: yes, 2009
A sequential process for water treatment involving usual adsorption on activated carbon (AC) followed by wet air catalytic oxidation of the adsorbed pollutants has been carried out in a fixed bed reactor with a mixture of two model pollutants.
Creanga-Manole, Carmen   +3 more
core   +1 more source

Electrooxidation of hydroxycinnamic acids on the poly(phenol red)-modified electrode and its analytical application [PDF]

open access: yes, 2023
Hydroxycinnamic acids are secondary plant metabolites widely distributed in foodstuff. Among them, caffeic, ferulic, and p-coumaric acids are the most abundant.
Ziyatdinova, G. K., Zhupanova, A. S.
core   +1 more source

Rhizosphere Microbiome and Phenolic Acid Exudation of the Healthy and Diseased American Ginseng Were Modulated by the Cropping History

open access: yesPlants, 2023
The infection of soil-borne diseases has the potential to modify root exudation and the rhizosphere microbiome. However, the extent to which these modifications occur in various monocropping histories remains inadequately explored.
Jiahui Zhang   +8 more
doaj   +1 more source

Glucosides of Coumarinic and \u3ci\u3eo\u3c/i\u3e-Coumaric Acids in the Tonka Bean [PDF]

open access: yes, 1963
The β-glucosides of coumarinic and o-coumaric acids were detected in extracts of cotyledons, exocarps, and seedling leaves of the tonka bean. The existence of these compounds and the presence of a β-glucosidase having specificity for coumarinyl glucoside
Haskins, Francis A., Gorz, H. J.
core  

N-alkylimidazolium Salts Functionalized with p-Coumaric and Cinnamic Acid: A Study of Their Antimicrobial and Antibiofilm Effects

open access: yesMolecules, 2019
The bacterial resistance to antibiotics has compromised the therapies used for bacterial infections. Nowadays, many strategies are being carried out to address this problem.
Oscar Forero-Doria   +4 more
doaj   +1 more source

Metabolism of food phenolic acids by Lactobacillus plantarum CECT 748T [PDF]

open access: yes, 2008
Phenolic acids account for almost one third of the dietary phenols and are associated with organoleptic, nutritional and antioxidant properties of foods.
Rodríguez, Héctor   +7 more
core   +1 more source

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