食品科学 ›› 2007, Vol. 28 ›› Issue (1): 147-150.

• 工艺技术 • 上一篇    下一篇

海藻酸钠凝胶包埋乳酸乳球菌沉淀绿豆淀粉的研究

 汪龙飞, 沈群   

  1. 中国农业大学食品科学与营养工程学院; 中国农业大学食品科学与营养工程学院 北京100083; 北京100083;
  • 出版日期:2007-01-15 发布日期:2011-12-31

Study on Lactococcus Entrapped in Alginate to Process Mung Bean Starch

 WANG  Long-Fei, SHEN  Qun   

  1. College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
  • Online:2007-01-15 Published:2011-12-31

摘要: 将乳酸乳球菌固定于海藻酸钙凝胶中沉淀绿豆淀粉,通过实验确定了所用凝胶的最佳浓度、被包埋细胞的最初浓度,结果表明浓度为4%(W/V)的海藻酸钠,起始包埋细胞为108(CFU/ml)时,淀粉得量最大。并且海藻酸钙凝胶可以连续使用10d。同时实验发现凝胶泄露的菌数并不是淀粉沉淀的唯一因素,细胞包埋后产生的其它一些次级代谢物质对淀粉的沉降也有重要的作用。

关键词: 海藻酸钠, 乳酸乳球菌, 包埋, 沉淀淀粉

Abstract: The Lactococcus were entrapped in the Ca-alginate gel to be used to process mung bean starch. As a result, when the concentration of alginate is 4% (W/V), and the originally population of cells is 108(CFU/ml), the yield of starch could be up to maximum. The life of Ca-alginate gels is 10 days. Not only the Lactococcus but also the second metabolism production of the entrapped cells in alginate play an important role in sedimentation mung bean starch.

Key words: alginate, Lactococcus Lactis subsp, entrapment, sedimentation starch