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湿热处理对糯小麦淀粉理化性质的影响

陈佩 张晓 赵冰 肖南 李远志

华南农业大学学报Issue(2):85-89,5.
华南农业大学学报Issue(2):85-89,5.

湿热处理对糯小麦淀粉理化性质的影响

Effect of heat-moisture treatment on the physicochemical properties of waxy wheat starch

陈佩 1张晓 1赵冰 1肖南 1李远志1

作者信息

  • 1. 华南农业大学食品学院,广东广州510642
  • 折叠

摘要

Abstract

Objective]The effect of heat-moisture treatment ( HMT) including time ,temperature and wa-ter content , on the physicochemical properties of waxy wheat starch was investigated .[Method]The pas-ting properties such as clarity , solubility , swelling power , freeze-thaw stability , morphology , and X-ray crystallinity of the starch were evaluated .[Result and conclusion]HMT reduced the transparency , solu-bility and freeze-thaw stability of waxy wheat starch .However , the swelling power of waxy wheat starch decreased and then increased .HMT did not obviously change the particle shape and size of starch gran-ules , but the surface of starch granules became uneven , and the central of the granules became blurred;some crack and indentation appeared .HMT reduced the birefringence intensity of starch granules .The X-ray diffractometry result revealed that HMT promoted a reduction in the starch relative crystallinity , but the native and HMT starch maintained the A diffraction pattern .

关键词

湿热处理/糯小麦/淀粉/理化性质

Key words

heat-moisture treatment/waxy wheat/starch/physicochemical property

分类

轻工纺织

引用本文复制引用

陈佩,张晓,赵冰,肖南,李远志..湿热处理对糯小麦淀粉理化性质的影响[J].华南农业大学学报,2015,(2):85-89,5.

基金项目

国家自然科学基金 ()

华南农业大学学报

OA北大核心CSCDCSTPCD

1001-411X

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