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谷氨酸对木薯淀粉糊流变性质的影响

卢静静 罗志刚

食品科学2012,Vol.33Issue(15):11-14,4.
食品科学2012,Vol.33Issue(15):11-14,4.

谷氨酸对木薯淀粉糊流变性质的影响

Effect of Glutamic Acid on Rheological Properties of Tapioca Starch Paste

卢静静 1罗志刚1

作者信息

  • 1. 华南理工大学轻工与食品学院,广东广州510640
  • 折叠

摘要

Abstract

A Haake rheometer was used to study the effect of glutamic acid(Glu) on the rheological properties of tapioca starch paste in the present work.The results obtained showed that both tapioca starch pastes with and without added Glu were pseudoplastic and thixotropic.Both the pseudoplasticity and thixotropy initially increased and then decreased with increasing amount of Glu addition.The apparent viscosity of tapioca starch paste decreased with increasing shearing speed as a shear thickening phenomenon.Both neat and Glu-added tapioca starch pastes showed a weak gel behavior,and both the storage modulus(G') and loss modulus(G'') first increased,then decreased,and finally tended to be Newtonian fluids with increasing amount of Glu addition.

关键词

木薯淀粉/谷氨酸/流变性质

Key words

tapioca starch/glutamic acid/rheological properties

分类

轻工纺织

引用本文复制引用

卢静静,罗志刚..谷氨酸对木薯淀粉糊流变性质的影响[J].食品科学,2012,33(15):11-14,4.

基金项目

国家自然科学基金项目 ()

广东省产学研结合项目 ()

广东省科技攻关项目 ()

食品科学

OA北大核心CSCDCSTPCD

1002-6630

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