Hawthorn Fruit Extract 10:1; Hawthorn Leaves Extract: Vitexin-2"-0-rhamnoside 2%HPLC.

CAS.RN.NO:84603-61-2.Synonyms:Crataegus Oxyacantha Extract.
Botanical Source:Crataegus monogyna (Rosaceae) Single-seed hawthorn;Latin Name:Crataegus leavigata Dc.C. monogyna Jacq. ;Crateagus oxycanthus

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Isolation and identification of oligomeric procyanidins from Crataegus leaves and flowers.:

Oligomeric procyanidins were isolated from the leaves and flowers of hawthorn (Crataegus laevigata). A trimer, epicatechin-(4 beta-->8)-epicatechin-(4 beta-->6)-epicatechin, and a pentamer consisting of (-)-epicatechin units linked through C-4 beta/C-8 bonds have been isolated from hawthorn for the first time, in addition to known procyanidins including dimers B-2, B-4 and B-5, trimers C-1 and epicatechin-(4 beta-->6)-epicatechin-(4 beta-->8)-epicatechin, and tetramer D-1. A fraction containing a hexamer was also found.