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青香蕉抗性淀粉体外发酵特性研究
引用本文:张铁涛,徐云升,武天明.青香蕉抗性淀粉体外发酵特性研究[J].农产品加工.学刊,2011(2):11-14.
作者姓名:张铁涛  徐云升  武天明
作者单位:琼州学院理工学院,海南,五指山,572200
基金项目:海南省自然科学基金项目
摘    要:研究了青香蕉抗性淀粉的发酵特性。利用健康成人和婴儿新鲜粪便提取液模拟肠道环境,对不同抗性淀粉含量的底物进行发酵,采用气相色谱法测定不同发酵时间的发酵产物中短链脂肪酸含量。结果表明,随着发酵时间延长,发酵产物中短链脂肪酸总量增加,丁酸量也显著增加。婴儿粪便提取液远高于成人粪便发酵抗性淀粉时的产短链脂肪酸作用。肠道内的微生物菌群对青香蕉抗性淀粉的发酵模式有一定的影响。

关 键 词:青香蕉  抗性淀粉  发酵  短链脂肪酸

Resistant Starch from Green Banana during Simulated Fermentation in Vitro
Zhang Tietao,Xu Yunshen,Wu Tianming.Resistant Starch from Green Banana during Simulated Fermentation in Vitro[J].Nongchanpin Jlagong.Xuekan,2011(2):11-14.
Authors:Zhang Tietao  Xu Yunshen  Wu Tianming
Institution:(Qiongzhou College Institute of Technology,Wuzhishan,Hainan 572200,China)
Abstract:The fermentation characteristics of resistant starch from green banana are studied.Fresh fecal of healthy human and infant are used as inoculums,respectively.And it is mixed with substrate which contained content of resistant starch,then fermented for some time at the simulated intestinal condition.The content of short chain fatty acids in the fermented production is determined by GC.The results show that as the increase of fermented time,the content of short chain fatty acids in the fermented production is increased and the content of butyric acid is increased significantly.Moreover,the content of short chain fatty acids in the fermented production with infant fecal inoculum,especially the content of butyric acid is much higher than that with human fecal inoculum.The fermentation of resistant starch from green banana may be effected by the microflora in the intestine.
Keywords:green banana  resistant starch  fermentation  short chain fatty acids
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