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山苦荬保肝活性部位筛选及其化学成分研究 Δ
孙丽君 1,2,3* ,常福厚 1,2,3 ,白图雅 ,王玉华 (1.内蒙古医科大学药学院,呼和浩特 010110;2.内蒙古医科大学新
1 #
1
药筛选工程研究中心,呼和浩特 010110;3.内蒙古医科大学新药安全评价研究中心,呼和浩特 010110)
中图分类号 R284.1 文献标志码 A 文章编号 1001-0408(2021)09-1089-04
DOI 10.6039/j.issn.1001-0408.2021.09.11
摘 要 目的:筛选山苦荬保肝活性部位并对其化学成分进行研究。方法:采用系统溶剂法,以 70%乙醇对山苦荬药材进行提
取,用不同溶剂对所得提取物进行萃取,分别得石油醚、乙酸乙酯、正丁醇部位和剩余水部位。以对乙酰氨基酚诱导人肝细胞
HL-7702复制肝损伤细胞模型,采用MTT法检测上述各部位(40 μg/mL,均以生药量计)对损伤细胞的保护作用并筛选活性部位。
采用硅胶柱、葡聚糖凝胶柱色谱等分离手段对活性部位进行分离纯化,根据理化性质和波谱(氢谱、碳谱)数据鉴定化合物结构。结
果:经山苦荬不同萃取部位作用后,各药物组细胞的存活率均较模型组显著升高(P<0.01),其中正丁醇部位和水部位的活性最强
(细胞存活率分别为49.3%、52.2%)。从正丁醇部位中共分离并鉴定出6个化合物,分别为苦荬菜木脂素A(Ⅰ)、芹菜素-7-O-β-D-
吡喃葡萄糖醛酸苷甲酯(Ⅱ)、木犀草素7-O-β-D-吡喃葡萄糖醛酸苷甲酯(Ⅲ)、木犀草素-7-O-β-D-葡萄糖苷(Ⅳ)、芹菜素-7-O-β-D-
葡萄糖苷(Ⅴ)和木犀草素(Ⅵ)。结论:山苦荬正丁醇部位为该药材的保肝活性部位之一,其活性成分以黄酮类化合物为主。
关键词 山苦荬;保肝活性;活性部位筛选;化学成分;鉴定
Screening of Hepatoprotective Activity Fractions from Ixeris chinensis and Study on Its Chemical
Compositions
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SUN Lijun 1,2,3 ,CHANG Fuhou 1,2,3 ,BAI Tuya ,WANG Yuhua(1. College of Pharmacy,Inner Mongolia Medical
1
University,Hohhot 010110,China;2. Research Center for New Drug Screening,Inner Mongolia Medical
University,Hohhot 010110,China;3. Research Center for New Drug Safety Evaluation,Inner Mongolia
Medical University,Hohhot 010110,China)
ABSRTACT OBJECTIVE: To screen the hepatoprotective active fractions from Ixeris chinensis and study its chemical
constituents. METHODS:The petroleum ether,ethyl acetate,n-butanol and residual water fractions from 70% ethanol extract of I.
chinensis were extracted by systematic solvent method. Human hepatocytes HL-7702 were induced by acetaminophen to induce
liver injury model. MTT method was used to detect the protective effect of the above fractions(40 μg/mL,by the dosage of crude
drug)on injured cells,and the active fractions were screened. The active fractions were separated and purified by silica gel column
and Sephadex column chromatography. The structure of the compounds were identified by physical and chemical properties and
spectral data (hydrogen spectrum,carbon spectrum). RESULTS:After treated with different fractions of I. chinensis,the cell
survival rate of each administration group was increased significantly,compared with model group(P<0.01),and the n-butanol
and water fractions had the strongest activity (the cell survival rates were 49.3% and 52.2% ,respectively). Six compounds
were isolated from n-butanol fraction and identified as sonchifolignan A(Ⅰ),apigenin-7-O-β-D-glucopyranoside methyl ester
(Ⅱ),luteolin-7-O-β-D-glucuronopyranoside methyl ester (Ⅲ),luteolin-7-O-β-D-glucopyranoside (Ⅳ),apigenin-7-O-β-D-
glucopyranoside(Ⅴ)and luteolin(Ⅵ). CONCLUSIONS:The n-butanol fraction is regarded as an effective position for protecting
liver,and flavonoids are the main active components.
KEYWORDS Ixeris chinensis;Hepatoprotective activity;Active fraction screening;Chemical components;Identification
山苦荬 Ixeris chinensis(Thumb)Nakai 为菊科苦荬 干泵阿-13)等 。该药材与中华苦荬菜药效相同,具有
[2]
[1]
菜属植物 ,蒙药材名是苏素-乌布斯,其质量标准收载 清热解毒、解痉镇痛、保肝护肝、凉血消肿等功效 [3-4] 。
在《内蒙古蒙药材标准》中。山苦荬性寒、味苦,以全草 有研究指出,山苦荬具有明显的抗炎保肝作用,其化学
入药,多被应用于保肝治疗的方剂中,如清肝二十七味 成分木犀草素-7-O-β-D-葡萄糖苷为主要的保肝活性成
丸(蒙药名:钦纳得棍斯勒)、麦冬十三味丸(蒙药名:查 分,但该药材其余活性成分与方剂保肝活性的关联以及
保肝作用的具体机制尚未明确;此外,国内外目前关于
Δ 基金项目:内蒙古自治区自然科学基金项目(No.2019LH08017)
山苦荬基原和形态的研究较为混乱,导致其药材资源缺
*讲师,硕士。研究方向:中蒙药的质量控制。E-mail:iamsunli-
乏有效整合,存在基原、储量不清和代表性差等问题 [5-6] 。
jun1984@126.com
# 通信作者:教授,博士。研究方向:中蒙药药效物质基础研究。 因此,本研究在前期大量论证调研、走访蒙医药工作者
E-mail:yuhuawang59@163.com 并广泛搜集整理蒙医用药经验的基础上,拟筛选山苦荬
中国药房 2021年第32卷第9期 China Pharmacy 2021 Vol. 32 No. 9 ·1089 ·