Medicine for treating colon cancer and preparation method thereof

Abstract

The invention discloses a medicine for treating colon cancer and a preparation method thereof, comprising effective medicine ingredients: 3beta-hydroxy-28-nor-ursol-17, 19, 21-triene and medicament prepared from pharmaceutic adjuvants. The medicine comprises the following components by weight percent: 1% to 90% of effective ingredients and 10% to 99% of the pharmaceutic adjuvants.. The structural formula of the effective ingredient of the medicine is C29H44O. The preparation method of the medicine for treating colon cancer comprises the following steps: (1) adding charred radix sanguisorbae taken as a raw medicine material into carbinol or ethanol for repeated extraction, and obtaining fluid extract by filtration; (2) dispersing the fluid extract of the first step with water, and carrying out chloroform extraction, and recycling solvent of the extract liquid to obtain extract; (3) crystallizing solid which is obtained by carrying out the suction filtration on extract of the second step to obtain the effective ingredients of compound medicine; (4) taking the effective ingredients of the medicine according to the weight ratio, and wherein the rest pharmaceutic adjuvants are prepared into the medicament.; The medicine disclosed by the invention is mainly used for treating colon cancer without metastasis symptom and allaying pain of patients in the chemotherapy period after the operation, and has non-toxic side effects.