Chlorogenic acid

Cytotoxic activity of flavonoids from the flowers of Chrysanthemum morifolium on human colon cancer Colon205 cells


A new p-hydroxyphenylacetyl flavonoid, diosmetin 7-(6''-O-p-hydroxyphenylacetyl)-O-?-d-glucopyranoside (1), was isolated from the flowers of Chrysanthemum morifolium Ramat. 'huaiju' cv. nov. (Com...

White and green tea - miracle teas


This article considers the health benefits of teas. Particular focus is given to the differences among white, green, oolong, and black tea. Active compounds of tea include catechins, quercetin, k...

PTP1B inhibitors from Saussrurea Lappa


A new lignan glycoside, named 1,5-dihydroxypinoresinol-4?-O-?-D-glucopyranoside (1), has been isolated from the EtOH extract of the roots of Saussurea lappa, together with twenty known compounds:...

Chemical Composition of and Inhibition of Angiotensin-Converting Enzyme by Senecio samnitum huet


Extracts of Senecio samnitum Huet and derived methyl ester of chlorogenic acid have been shown to inhibit angiotensin-converting enzyme (ACE) by using an in vitro bioassay based on the enzymatic ...

High-Performance Liquid Chromatography Characterization and Identification of Antioxidant Polyphenols in Maple Syrup


Maple syrup of four grades (extra-light, light, medium, and dark) of the 2007 crop was provided by three local (St. Joseph's Island, Ontario, Canada) producers. Twenty-four phenolic compounds wer...

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