乳酸
胞外多糖
细菌
生物技术
功能性食品
多糖
生产力
生化工程
生物化学
化学
食品科学
生物
工程类
遗传学
宏观经济学
经济
作者
Alan Welman,I. S. Maddox
标识
DOI:10.1016/s0167-7799(03)00107-0
摘要
Some lactic acid bacteria (LAB) secrete a polysaccharide polymer. This extracellular polysaccharide, or "exopolysaccharide" (EPS), is economically important because it can impart functional effects to foods and confer beneficial health effects. LAB have a "Generally Recognized As Safe" (GRAS) classification and are likely candidates for the production of functional EPSs. Current challenges are to improve the productivity of EPSs from LAB and to produce EPSs of a structure and size that impart the desired functionality. The engineering of improvements in these properties will depend on a deep understanding of the EPS biosynthetic metabolism and of how the structure of EPSs relates to a functional effect when incorporated into a food matrix.
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