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  • 标题:Comparative Study of Inulin Extracts from Dahlia, Yam, and Gembili Tubers as Prebiotic
  • 本地全文:下载
  • 作者:Elok Zubaidah ; Wilda Akhadiana
  • 期刊名称:Food and Nutrition Sciences
  • 印刷版ISSN:2157-944X
  • 电子版ISSN:2157-9458
  • 出版年度:2013
  • 卷号:04
  • 期号:11
  • 页码:8-12
  • DOI:10.4236/fns.2013.411A002
  • 语种:English
  • 出版社:Scientific Research Publishing
  • 摘要:The addition of prebiotic in food today is mostly done. It is based on the ability of prebiotic to support the growth of probiotic. Inulin is a carbohydrate that serves as an effective prebiotic that cannot be digested by digestive enzymes. The purpose of this research is to assess utilization of inulin from several types of tubers include dahlia tubers, yam tu- bers, and gembili tubers as a source of prebiotic that tested in probiotic bacteria (L. casei and L. plantarum). The study used a Randomized Block Design method with two factors, the type of probiotic isolate and inulin extract from tubers. The result shows that the best treatment is isolates of L. casei obtained in the fermentation medium with the addition of inulin from gembili tubers. The best treatment has the following characteristics: an increase in total LAB 2.71 × 1010 cfu/ml, 1.50% total acid, pH 2.05 and the total sugars are 3.11%. Whereas in isolates of L. plantarum, the best treatment in the fermentation medium is with the addition of inulin from dahlia tubers. The LAB reaches 2.80 × 1010 cfu/ml, 1.29% total acid, pH 2.24 and 2.05% total sugars.
  • 关键词:Prebiotic; Inulin; Dahlia Tubers; Yam Tubers; Gembili Tubers
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