食品科学 ›› 2002, Vol. 23 ›› Issue (9): 53-55.

• 基础研究 • 上一篇    下一篇

食用沙蒿籽胶流变学特性研究

 宋宏新, 陈合   

  1. 陕西科技大学生命科学与工程学院
  • 出版日期:2002-09-15 发布日期:2011-12-31

Rheology Study on Artmis Sphaerocephala Krasche’s Gum in Food

 SONG  Hong-Xin, CHEN  He   

  • Online:2002-09-15 Published:2011-12-31

摘要: 应用转筒式旋转粘度计,对沙蒿籽溶胀机械分离法制备沙蒿胶的流变学特性进行了研究,发现在浓度1%~1.75%之间胶液为时间相关性假塑性流体,在浓度0.5%为时间无关的假塑性流体,沙蒿胶表观粘度随浓度增大而迅速增大,沙蒿胶的表观粘度不受pH的影响,在重复高速剪切和25~85℃范围内表观粘度无明显变化,沙蒿籽胶是一种重要的新型天然食品添加剂。

关键词: 沙蒿籽胶, 流变学, 表观粘度

Abstract: Artemis sphaerocephala kraschen’s gum was tested by concentric cylinder viscometer. The result showed that A.S.kraschen’s gum was Thixotropic pseudroplastic(time-dependent fluid) at 1%~1.75%, and pseudroplastic(time-independent fluid) at 0.5%. Temperature and pH had no effect on viscosity of the gum fluids.

Key words: Artemis sphaerocephala , Kraschen’s gum , Rheology , Apparent viscosity