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    • 56. 发明公开
    • 흰민들레로부터 타락신산을 분리하는 방법 및 타락신산을유효성분으로 함유하는 항암제
    • 用于制备具有改善的对各种癌症的抑制活性的酪氨酸的方法,以及诱导来自UM UM KA I I ING ING ING ING ING ING ING ING ING ING ING ING ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT ENT
    • KR1020040093917A
    • 2004-11-09
    • KR1020030027791
    • 2003-04-30
    • 한국과학기술연구원
    • 이용섭이경태김형자
    • C07D307/93
    • PURPOSE: A method for preparing taraxinic acid from Taraxacum coreanum nakai and an anticancer agent containing taraxinic acid as an effective ingredient are provided, which taraxinic acid has improved inhibiting activity to various cancers, and cell differentiation inducing activity Therefore, taraxinic acid can be useful for prevention or treatment of cancer. CONSTITUTION: The method for preparing taraxinic acid of the formula(1) from Taraxacum coreanum nakai comprises the steps of: (1) extracting Taraxacum coreanum nakai with alcohol; (2) extracting the extract of step (1) with dichloromethane; (3) extracting the extract of step (2) with ethyl acetate; (4) subjecting the extract of step (3) to the column to isolate taraxinic acid beta-glucopyranosyl ester; and (5) hydrolysis of the isolated taraxinic acid beta-glucopyranosyl ester, wherein the alcohol is selected from methanol, ethanol, propanol and butanol; the column is silica gel and Sephadex columns. The anticancer agent contains 1 to 50 mg/kg of the taraxinic acid as an effective ingredient, wherein the cancer is selected from leukemia, colon cancer, liver cancer and lymphoma.
    • 目的:提供一种从蒲公英提取焦油酸的方法,含有焦沙西酸作为有效成分的抗癌剂,其中焦油菌酸对各种癌症的抑制活性有所提高,细胞分化诱导活性有所提高。因此,焦tar酸可用于 预防或治疗癌症。 构成:从蒲公英中制备式(1)焦油酸的方法包括以下步骤:(1)用酒精提取蒲公英; (2)用二氯甲烷萃取步骤(1)的提取物; (3)用乙酸乙酯提取步骤(2)的提取物; (4)将步骤(3)的提取物经历柱子以分离焦油酸β-吡喃葡萄糖基酯; 和(5)分离的焦油焦糖β-吡喃葡萄糖基酯的水解,其中所述醇选自甲醇,乙醇,丙醇和丁醇; 该柱为硅胶和Sephadex色谱柱。 抗癌剂含有1〜50mg / kg的焦油焦糖作为有效成分,其中癌症选自白血病,结肠癌,肝癌和淋巴瘤。