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冬凌草(冰凌草),主要含有单萜、倍半萜、二萜等一系列化合物。其中二萜成分中又分离出冬凌草甲素、乙素的成分,对食管癌、贲门癌细胞株有明显的细胞毒作用,是抗癌的有效成分。 对数千例食管癌、贲门癌患者的临床观察证实:可使早期患者的瘤体稳定或消失,晚期患者的瘤体缩小、症状缓解,有效率达26.8％,如与其他抗癌药(如平阳霉素、消瘤芥等)合用,有效率可提高到85％。与一般抗癌药不同的是冬凌草不抑制骨髓和免疫功能。
Rubescens (Iris grass) mainly contains a series of compounds such as monoterpenes, sesquiterpenes and diterpenes. Among them, the components of Rubescensine A and B are also separated from the diterpene components, and have obvious cytotoxic effects on esophageal cancer and cardiac cancer cell lines, and they are effective components of anticancer. Clinical observations of thousands of cases of esophageal and cardiac cancers have confirmed that the tumors in early patients can be stabilized or disappeared. The tumors in advanced patients are reduced and the symptoms are relieved. The effective rate is 26.8%, as with other anticancer drugs (such as Pingyangmycin, anti-tumorous mustard, etc.) can increase the effective rate to 85%. Unlike common anticancer drugs, rubescens does not inhibit bone marrow and immune function.