人体肠道菌群对大豆皂苷Ⅱ的体外代谢转化

doi:10.3969/j.issn.1673-1689.2015.05.004

首页 > 过刊浏览>2015年第34卷第5期 >470-474. DOI:10.3969/j.issn.1673-1689.2015.05.004

人体肠道菌群对大豆皂苷Ⅱ的体外代谢转化
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                        10.3969/j.issn.1673-1689.2015.05.004
                    
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In vitro Metabolism of Soyasaponin II by Human Intestinal Microflora

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摘要:

为考察人体肠道菌群对大豆皂苷Ⅱ的体外代谢转化作用,在牛脑牛心培养液(BHI)和磷酸盐缓冲液(PBS)两种离体模型下,研究了大豆皂苷Ⅱ在48 h内被肠道菌群代谢转化过程,并用HPLC/MS系统对其转化产物进行分析鉴定。结果显示,大豆皂苷Ⅱ先被菌群酶转化为大豆皂苷Ⅳ,在48 h被最终转化为大豆皂苷元B,表明大豆皂苷在肠道微生物作用下,其糖基被逐步水解生成相对分子质量更小、疏水性更强的代谢物。

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To investigate the metabolism of soyasaponin II by human intestinal microorganisms,the in vitro metabolic transformation of soyasaponin II by intestinal flora in the Brain Heart Infusion(BHI)broth and Phosphate Buffered Saline(PBS)systems was studied for 48 hours,and its metabolites were analyzed and identified by HPLC/MS. The results showed that soyasaponin II was firstly metabolized into soyasaponin IV by intestinal flora and was eventually translated into soyasapogenol B at 48 hours. The above results suggested that soyasaponins lost their sugar moieties due to hydrolysis and yielded smaller and more hydrophobic metabolites by human gut microorganisms.

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桑尚源,光翠娥,江波.人体肠道菌群对大豆皂苷Ⅱ的体外代谢转化[J].食品与生物技术学报,2015,34(5):470-474.

SANG Shangyuan, GUANG Cuie, JIANG Bo. In vitro Metabolism of Soyasaponin II by Human Intestinal Microflora[J]. Journal of Food Science and Biotechnology,2015,34(5):470-474.

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在线发布日期: 2015-08-09
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