瓜尔胶
黄原胶
食品科学
多糖
化学
刺槐豆胶
开菲尔
分离
絮凝作用
瓜尔
拉伤
外聚物
流变学
生物化学
细菌
有机化学
乳酸
生物
材料科学
复合材料
解剖
遗传学
作者
Yanping Wang,Zaheer Ahmed,Wu Feng,Chao Li,Shiying Song
标识
DOI:10.1016/j.ijbiomac.2008.06.011
摘要
An exopolysaccharide (EPS) producing strain, ZW3, was isolated from Tibet kefir grain and was identified as Lactobacillus kefiranofaciens. FT-IR spectroscopy revealed the presence of carboxyl, hydroxyl, and amide groups, which correspond to a typical heteropolymeric polysaccharide. The GC analysis of ZW3 EPS revealed that it was glucogalactan in nature. Exopolymer showed similar flocculation stability like xanthan gum but better than guar gum with a melting point of 93.38 °C which is lower than xanthan gum (153.4 °C) and guar gum (490.11 °C). Compared with other commercially available hydrocolloids like xanthan gum, guar gum and locust gum ZW3 EPS showed much better emulsifying capability.
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