Hong Kong Med J 2011;17(Suppl 2):S41-3
Immunomodulatory activities of the herbal formula Kwan Du Bu Fei Dang in healthy subjects: a randomised, double-blind, placebo-controlled study
KP Fung, PC Leung, KWS Tsui, CCD Wan, KB Wong, MYM Waye, WNS Au, CK Wong, WKC Lam, BSC Lau
Institute of Chinese Medicine / School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong
1. The herbal formula Kwan Du Bu Fei Dang transiently modulated the human immune system.
2. Coriolus versicolor had an immunostimulatory effect in mouse splenic lymphocytes.
3. Ganoderma lucidum inhibited SARS-CoV RNA-dependent RNA polymerase.
4. Houttuynia cordata possessed both immunostimulatory and anti-viral activities.
5. Kwan Du Bu Fei Dang, Houttuynia cordata and Coriolus versicolor were essentially non-toxic to laboratory animals after oral administration of 16 g/kg.