Spectrophotometric Assay for Determination of Chlorogenic Acid Using Green Pigment Formation and Quantitative Analysis of Chlorogenic Acid in Blueberry Leaf
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چکیده
منابع مشابه
Structural and Antioxidative Features of Chlorogenic Acid
This work contributes to the structure clarification of chlorogenic acid (5-O-caffeoylquinic acid, 5CQA) by comparing the experimental and simulated IR, Raman, 1H-NMR, 13C-NMR, and UV-vis spectra. The lowest-energy conformers in the gas-phase and solution were used for all calculations. Very good agreement between all experimental and simulated spectra indicates correct arrangement of the atoms...
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Root hairs, which arise from root epidermal cells, are tubular structures that increase the efficiency of water absorption and nutrient uptake. A low pH (pH 4) medium induced root hair formation in lettuce (Lactuca sativa L.) seedlings, and the decapitation of shoots inhibited root hair formation. The addition of shoot extract to the medium restored root hair formation in the decapitated lettuc...
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BACKGROUND Chlorogenic acid is a potent phenolic antioxidant. However, its effect on platelet aggregation, a critical factor in arterial thrombosis, remains unclear. Consequently, chlorogenic acid-action mechanisms in preventing platelet activation and thrombus formation were examined. METHODS AND RESULTS Chlorogenic acid in a dose-dependent manner (0.1 to 1 mmol/L) inhibited platelet secreti...
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Recently, graphene has received significant research attentions due to its excellent mechanical and electrical properties. Based on its prominent properties, graphene has a wide range of potential applications. The one of the powerful methods for mass production of graphene is the chemical method using graphite. During the chemical process, reduction of the graphene oxide nanosheets is generall...
متن کاملCaffeic acid, chlorogenic acid, and dihydrocaffeic acid metabolism: glutathione conjugate formation.
The antioxidant properties of the dietary dihydroxycinnamic acids [caffeic (CA), dihydrocaffeic (DHCA), and chlorogenic (CGA) acids] have been well studied but little is known about their metabolism. In this article, evidence is presented showing that CA, DHCA, and CGA form quinoids and hydroxylated products when oxidized by peroxidase/H(2)O(2) or tyrosinase/O(2). Mass spectrometry analyses of ...
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ژورنال
عنوان ژورنال: Journal of Life Science
سال: 2011
ISSN: 1225-9918
DOI: 10.5352/jls.2011.21.4.610