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不同提取方法对茶渣蛋白功能特性的影响

谢蓝华 杜冰 张嘉怡 杨公明

食品工业科技2012,Vol.33Issue(21):130-133,4.
食品工业科技2012,Vol.33Issue(21):130-133,4.

不同提取方法对茶渣蛋白功能特性的影响

Effect of the different extracting methods on functional properties of tea-residue protein

谢蓝华 1杜冰 1张嘉怡 1杨公明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

The effects of modification and functional properties were investigated by the alkali solution extraction, alkali solution extraction with extrusion pretreatment and enzymatic extraction with extrusion pretreatment from the Danzong tea-residue.The results showed that the hydroscopicity,waterholding capacity,foamability and emulsibility of tea-residue protein by alkali solution extraction with extrusion pretreatment increased by 25% ,43.43% ,8.79% and 5.57% respectively and oil absorbability decreased by 8.67% compared with the alkali solution extraction.The same case with the functional properties increased by 34.73%, 86.87%, 18.01% and 12.46% respectively and oil absorbability decreased by 18.50% of enzymatic extraction with extrusion pretreatment.The conclusion was a most useful processing method to improve tea-residue protein functional properties for extrusion pretreatment.

关键词

茶渣蛋白/改性蛋白/功能特性

Key words

tea- residue protein/modified protein/functional properties

分类

轻工纺织

引用本文复制引用

谢蓝华,杜冰,张嘉怡,杨公明..不同提取方法对茶渣蛋白功能特性的影响[J].食品工业科技,2012,33(21):130-133,4.

基金项目

广东省教育部产学研结合项目(2011B090400071). ()

食品工业科技

OA北大核心CSCDCSTPCD

1002-0306

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