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Chlorogenic Acid UVA–UVB Photostability [PDF]

open access: yesPhotochemistry and Photobiology, 2010
AbstractChlorogenic acid is a natural potent antioxidant. It can be used in cosmetics formulations, but for this purpose its photochemical stability should be determined to ensure that the compound will not be degraded after UV radiation exposure. To evaluate this possibility, the concentration of a chlorogenic acid solution was determined by HPLC ...
Diogo P, Rivelli   +5 more
openaire   +3 more sources

Purification and characterization of a chlorogenic acid hydrolase from Aspergillus niger catalysing the hydrolysis of chlorogenic acid [PDF]

open access: yesJournal of Biotechnology, 2005
Among 15 Aspergillus strains, Aspergillus niger BRFM 131 was selected for its high chlorogenic acid hydrolase activity. The enzyme was purified and characterized with respect to its physico-chemical and kinetic properties. Four chromatographic steps were necessary to purify the protein to homogeneity with a recovery of 2%.
Asther, Michèle   +6 more
openaire   +4 more sources

In vitro and in vivo antioxidant properties of chlorogenic acid and caffeic acid [PDF]

open access: yesInternational Journal of Pharmaceutics, 2011
Dietary polyphenols are thought to be beneficial for human health as antioxidants. Coffee beans contain a common polyphenol, chlorogenic acid. Chlorogenic acid is the ester of caffeic acid and quinic acid.
Jiro Ogura   +2 more
exaly   +3 more sources
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Chlorogenic acid-water complexes in chlorogenic acid containing food products

Journal of Food Composition and Analysis, 2022
Chlorogenic acid (CQA), the ester of caffeic acid with quinic acid, has been one of the most studied polyphenols due to its potential biological activity and usefulness in pharmaceutical treatment. We found that in an aqueous solution of each chlorogenic acid isomer, 3-, 4- and 5-CQA, its two complexes with water are formed.
Piotr Hołowiński   +2 more
openaire   +2 more sources

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