Numerous studies of lingzhi, mainly in Vietnam, China, Korea, Japan and United States, have shown its effectiveness in treatment of a very wide range of diseases and symptoms. Lingzhi is the only known source of a group of triterpenes (those similar to steroid hormones), polysaccharides, cumarin, alkaloids . But the study on chemical constituents of lingzhi still has a shortage. In this paper we reported our last investigation on the chemical composition of Ganoderma lucidum, cultivated in Hanoi city. |