简史多糖是指由十个以上单糖脱水缩合成的大分子醣类。人们曾长期以为,醣类不过是一种营养物质而已,很难企望它有其他药理学活性,更不用说抗癌了。虽然,在中医典籍和民间传说中,有诸如槐耳、桑黄、云芝、白桦菌瘤、树舌和皂角菌等担子菌类具抗癌作用的说法,甚至有临床试用的初步报告,但这些情况却未必就是引导人们深入研究肿瘤 A brief history of polysaccharides refers to the macromolecular saccharides synthesized by dehydration and condensation of more than ten monosaccharides. It has long been thought that sugar is nothing more than a nutritive substance and it is difficult to expect it to have other pharmacological activities, let alone cancer. Although, in traditional Chinese medicine books and folklore, there are claims that basidiomycetes such as cockroach, mulberry, yunzhi, birch tumor, tree tongue, and sphagnum have an anticancer effect, there are even preliminary reports of clinical trials. But these situations may not necessarily lead people to study tumors