Browsing by Author "Jingxuan Li"

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    Reishi, Ganoderma Lucidum and Ganoderma Tsugae: Bioactive Substances and Medicinal Effects
    (1995) Takashi Mizuno; Guanying Wang; Jie Zhang; Hirokazu Kawagishi; Tsuyoshi Nishitoba; Jingxuan Li
    Reishi, Ganoderma sp., has been known in Japan, China, and other countries as a food and raw material for the development of drugs. Recent studies have shown that the carcinostatic substance in Reishi is a polysaccharide, β-(l —3)-o-glucan. This polysaccharide seems to haye promise as a new type of carcinostatic agent which might be useful in immunotherapy. Unlike chemicals used in chemotherapy, it has few toxic side effects because its effect is based on immuno-logical enhancement in the host. Reishi also seems to contain other substances which reduce blood pressure, blood cholesterol, and blood sugar levels; and inhibit platelet aggregation, etc. Some lanostane triterpenoids have been isolated from Ganoderma lucidum and G. applanatum, and drimane sesquiter penoids from Cryptoporus volvatus. These are highly oxidized compounds which show interesting biological activities.