7K Nishizawa, I Nakata, G Kishida. Some biologically active tannins of Nuphar Variegatum. Phytochemistry,1990,29 (8): 2491 ~2494
8S Otake, M Makimura, T Kuroki, et al. Anticaries effects of polyphenolic compounds from Japanese green tea. Caries Res, 1991,25: 438~443
9K Fukuchi, H Sakagami, T Okuda, et al. Inhibition of Herpes simplex virus infection by tannins and related compounds Antiviral Res, 1989,11: 285~297
10A Beress, O Wassermamn, T Bruhn. A new Procedure for the isolation of anti-HIV compounds (polysaccharides and polyphenols) from the marine alga Fucus vesiculosus.Journal of Natural Products, 1993,56(4): 478~488