Phytother Res. 2001 Nov; 15(7): 593-7.

Chemical and biological investigations on Zizyphus spina-christi L.

Shahat AA, Pieters L, Apers S, Nazeif NM, Abdel-Azim NS, Berghe DV, Vlietinck AJ.

Pharmaceutical Sciences Department, National Research Centre, 12311 Dokki, Cairo, Egypt.

Different extracts and fractions of the leaves, fruits and seeds of Zizyphus spina-christi L. grown in Egypt were investigated in vitro for their antiviral, antifungal and antibacterial activities. The flavonoids quercetin, hyperoside, rutin and quercetin-3-O-[beta-xylosyl-(1-2)-alpha-rhamnoside] 4'-O-alpha- rhamnoside) were isolated.Copyright 2001 John Wiley & Sons, Ltd.