Preparation and properties of granular cold-water-soluble porous starch

被引：43

作者：

Chen, Yun ^{[1
]}

Dai, Guifang ^{[1
]}

Gao, Qunyu ^{[1
]}

机构：

[1] South China Univ Technol, Sch Food Sci & Engn, Carbohydrate Lab, 381 Wushan Rd, Guangzhou 510640, Peoples R China

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2020年 / 144卷

基金：

中国国家自然科学基金;

关键词：

Waxy corn starch; Porous starch; Granular cold-water soluble starch; Absorption capacity; SWELLING MAIZE STARCHES; PHYSICOCHEMICAL PROPERTIES; FUNCTIONAL-PROPERTIES; PHYSICAL-PROPERTIES; PASTING PROPERTIES; CASSAVA STARCH; CORN STARCHES; RICE STARCH; RETROGRADATION; GELATINIZATION;

D O I：

10.1016/j.ijbiomac.2019.12.060

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In this work, granular cold-water soluble waxy corn starch (N-GCWS) and granular cold-water soluble porous waxy corn starch (P-GCWS) were prepared by waxy corn starch (WS) treated with alcohol-alkali. Starch morphologies, crystal structures, turbidity, cold water viscosity, freeze-thaw stability and oil absorption capacity of N-GCWS and P-GCWS starches were compared. The results showed porous waxy corn starch (PS) was easier to prepare P-GCWS starch than WS to prepare N-GCWS. SEM showed that PS and WS became dent-twisted and tended to flatten with the increase of CWS. After alcohol-alkali treatment, the X-ray diffraction pattern of PS and WS changed from A type to amorphous and pores were remained on the surface of P-GCWS starches granular. Turbidity, freeze-thaw stability, viscosity, oil absorption capacity of N-GCWS and P-GCWS starches was shown higher than that of WS and PS. The oil absorption capacity of P-GCWS was higher than that of N-GCWS. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：656 / 662

页数：7

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