目的 采用血清药物化学研究方法建立大黄结合型蒽醌含药血清指纹图谱,并分析其中的药源性成分。方法 大鼠灌胃大黄结合型蒽醌提取物制备含药血清,HPLC测定10批含药血清指纹图谱,建立指纹图谱共有模式,与空白血清指纹图谱比较,标定含药血清中药源性成分共有峰,与结合型蒽醌提取物指纹图谱色谱峰保留时间和光谱图比对,对共有峰进行归属分析,与混合对照品指纹图谱色谱峰保留时间和光谱图比对,对部分成分进行鉴定。结果 10批含药血清指纹图谱标定药源性成分共有峰20个,其中14个为体外原型成分,6个为体内代谢产物,14个原型成分中的13个分别被鉴别为芦荟大黄素-8-O-葡萄糖苷、大黄酸-8-O-葡萄糖苷、大黄素-1-O-葡萄糖苷、大黄酚-1-O-葡萄糖苷、大黄酚-8-O-葡萄糖苷、芦荟大黄素-3-羟甲基-O-葡萄糖苷、大黄素-8-O-葡萄糖苷、大黄素甲醚-8-O-葡萄糖苷、芦荟大黄素、大黄酸、大黄素、大黄酚和大黄素甲醚,其余1个原型成分和6个代谢产物也具有蒽醌类成分的紫外吸收特征。结论 本实验建立的方法准确、可行,可用于大黄结合型蒽醌含药血清中的药源性成分分析。
Abstract
OBJECTIVE To establish the fingerprint of the serum containing rhubarb bound anthraquinones, and to analyze the drug-originated constituents in serum containing drugs by serum pharmacochemistry. METHODS Rat serum containing drugs were prepared after intragastric administration of the extract of rhubarb bound anthraquinones. Fingerprints of 10 batches serum containing drugs were determined by HPLC, and the common mode was established. Comparing the chromatogram of serum containing drugs with the one of blank serum, the common peaks of drug-originated constituents in blood were identified. Comparing the retention time and spectrum of the chromatographic peaks of serum containing drugs with the ones of extract, the sources of drug-originated constituents were analyzed. Comparing the retention time and spectrum of the chromatographic peaks of serum containing drugs with the ones of mixed reference substances, some drug-originated constituents were identified. RESULTS There are 20 common peaks of drug-originated constituents in 10 batches serum containing drugs, 14 of them were in vitro prototype, and the other 6 were metabolites in vivo. Thirteen out of 14 prototype constituents were identified as aloe emodin-8-O-glucopyranoside, rhein-8-O-glucopyranoside, emodin-1-O-glucopyranoside, chrysophanol-1-O-glucopyranoside, chrysophanol-8-O-glucopyranoside, emodin-8-O-glucopyranoside, aloe emodin-3-CH2-O-glucopyranoside, physcion-8-O-glucopyranoside, aloe emodin, rhein, emodin, chrysophanol, and physcion, respectively. Other 1 prototype constituent and 6 metabolites possessed the same UV absorption character as that of anthraquinones. CONCLUSION The method established in this study is accurate and feasible, and can be used for the analysis of the drug-originated constituents in serum containing rhubarb bound anthraquinones.
关键词
大黄 /
结合型蒽醌 /
含药血清 /
指纹图谱 /
血清药物化学 /
血中药源性成分
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Key words
rhubarb /
bound anthraquinones /
serum containing drugs /
fingerprint /
serum pharmacochemistry /
drug-originated constituents in blood
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中图分类号：
R931.5
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参考文献
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脚注
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基金
江苏省重点研发计划(社会发展)项目(BE2018674);江苏省中医药局科技项目资助(YB201836);江苏省南通市应用基础研究计划项目资助(MS12016057)
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