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近年来,海外华侨中相传云南白药能用于癌肿治疗。由于云南白药的提出物在美国国家癌肿研究所所作的P-388,L-1210,及9KB 组织培养筛选试验中呈现一定的活性水平,这种草药的细胞毒成分是引人注目的。从香港市售的,中国云南昆明出产的云南白药,供试验用。1.3公斤云南白药以10立升苯提取24小时,继之以10立升丙酮提取48小时。真空蒸发,从丙酮提取液中得到31克具有细胞毒性的残留物,将此残留
In recent years, according to legend, overseas Chinese overseas Yunnan Baiyao can be used for cancer treatment. The cytotoxic component of this herbal medicine is eye-catching because of the activity level of Yunnanbaiyao in the P-388, L-1210, and 9KB tissue culture screening tests conducted by the National Cancer Institute. Yunnan Baiyao, which is commercially available from Hong Kong and is produced in Kunming, Yunnan, China, is used for testing. 1.3 kilograms of Yunnan Baiyao were extracted with 10 litres of benzene for 24 hours, followed by 10 liters of acetone for 48 hours. Evaporate in vacuo to obtain 31 g of cytotoxic residues from the acetone extract.