1.
Phytomedicine
; 5(2): 133-6, 1998 Apr.
Article
in English
| MEDLINE
| ID: mdl-23195766
ABSTRACT
In addition to quercetin, hyperoside, rutin, vitexin, 2â³-O-rhamnosylvitexin, (4â³'-O-acetyl)-2â³-O-rhamno-sylvitexin, epicatechin, procyanidin B-5, proanthocyanidin A-2, procyanidin B-2 and procyanidin C-1, which were reported before in Crataegus sinaica (Rosaceae), three more flavonoids were isolated from the same plant, i.e. (+)-taxifolin, 3-O-ß-arabinopyranosyl-(+)-taxifolin and 3-0-ß-xylopyranosyl-(+)-taxifolin. The in vitro anti-HIV activity of some selected flavonoids and proanthocyanidins was evaluated. The dimeric procyanidin B2 and proanthocyanidin A2, and especially the trimeric procyanidin C1 showed some in vitro anti-HIV activity.