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罗汉果皂苷V在人工胃液中的稳定性和体外代谢研究(PDF)

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2015年06期
页码:
792-795
栏目:
罗汉果专题论文
出版日期:
2015-11-20

文章信息/Info

Title:
Stability of mogroside V in artificial gastric juice and its metabolism in vitro
文章编号:
1000-3142(2015)06-0792-04
作者:
卢凤来1 黄振聪2 颜小捷1 陈月圆1 徐 风3蔡少青3 李典鹏1*
1. 广西植物功能物质研究与利用重点实验室 广西植物研究所, 广西 桂林 541006; 2. 贺州市人民医院药剂科, 广西 贺州 542800; 3. 北京大学 药学院, 北京 100191
Author(s):
LU Feng-Lai1 HUANG Zhen-Cong2 YAN Xiao-Jie1 CHEN Yue-Yuan1 XU Feng3 CAI Shao-Qing3 LI Dian-Peng1*
1. Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guilin 541006, China; 2. Pharmacy Department of Hezhou People’s Hospital, Hezhou 542800, China; 3. School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
关键词:
罗汉果皂苷V 人肠道菌群 人工胃液 液相色谱-质谱联用
Keywords:
mogroside V human intestinal bacteria artificial gastric juice liquid chromatography/mass spectrometry
分类号:
R285
DOI:
10.11931/guihaia.gxzw201405028
文献标识码:
A
摘要:
为了研究罗汉果皂苷V在胃肠道中的稳定性及体外代谢特征,该研究首先考察罗汉果皂苷V在人工胃液中的稳定性,然后在体外模拟人肠内环境,研究人肠内细菌对该成分的代谢作用,并采用LCMS/IT-TOF液质联用仪分析了培养液中的化学成分,考察了罗汉果皂苷V在人工胃液和人肠道菌群培养液中的变化。结果表明:罗汉果皂苷V在人工胃液条件下,迅速发生酸水解反应,分别脱去3个糖苷、4个糖苷、5个糖苷及2个氢转化为二糖苷、一糖苷与脱氢苷元,其脱糖反应随着时间的延长而反应越完全,反应4 h后就只剩下苷元; 该化合物在人的肠道菌群作用下经过脱糖反应转化为四糖苷、三糖苷、二糖苷、一糖苷,经过糖苷化反应转化成六糖苷。通过体外实验,初步了解罗汉果皂苷V在胃液和肠道环境中的降解规律,该研究结果为今后探讨罗汉果皂苷在人体内的代谢与生物转化规律提供了物质和技术基础。
Abstract:
In order to evaluate the stability of mogroside V in gastrointestinal tract and study its in vitro metabolism, mogroside V was incubated with artificial gastric juice and human intestinal bacteria, and a liquid chromatography/mass spectrometry method by LCMS/IT-TOF was applied to analyze the products of mogroside V in artificial gastric juice and human intestinal bacteria culture medium. The results indicated that mogroside V was degraded quickly in artificial gastric juice to be secondary glycosides with two glycosyls or one glycosyl and mogrol without glycosyl. And the longer time it was incubated, the more completely it was degraded, its product was mogrol while the incubation time was 4 h. While in culture medium of human intestinal bacteria, mogroside V was transformed to mogroside IV(isomer)mogroside III(isomer), mogroside II(isomer)and mogroside I(isomer)by deglycosylation reaction, as well as to glycoside with six glycosyls,by glucosylation reaction. Therefore, a general knowledge on the degradation of mogroside V was obtained after this experiment, which would shed light on the further exploitation of mogroside V and Siraitia grosvenorii.

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备注/Memo

备注/Memo:
收稿日期: 2014-08-12修回日期: 2014-10-26
基金项目: 国家自然科学基金(81160392,81160518); 国家科技支撑计划项目(2011BAI01B03); 桂林市科学研究与技术开发项目(20120118-6,20110112-16)。
作者简介: 卢凤来(1979-),女(壮族),广西来宾人,博士研究生,副研究员,主要从事植物资源开发与利用研究,(E-mail)lufenglai@gxib.cn。 *通讯作者: 李典鹏,博士,研究员,从事天然药物化学成分研究,(E-mail)ldp@gxib.cn。
更新日期/Last Update: 2015-11-20