期刊
FOOD HYDROCOLLOIDS
卷 69, 期 -, 页码 36-48出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodhyd.2017.01.023
关键词
Corn starch; Hydrocolloid; Hydroxypropyl starch; Maize starch; Retrogradation; Water-soluble polymer
资金
- National Science & Technology Pillar Program during the 12th Five-year Plan Period of China [2012BAD37B02-02, 2012BAD34B0203]
- project of Gan Po Ying Cai 555 [18000007]
Retrogradation of native and hydroxypropylated normal maize starch heated in water in the presence or absence of hydrocolloids or the water-soluble polymer poly (ethylene glycol) was investigated. Results were compared both with the effects of no added hydrocolloid and with the effects of added salts known to be retrogradation promoters or inhibitors. Development of solution turbidity was used as the indicator of retrogradation. Chaotropic ions were the most effective in reducing retrogradation. Kosmotropic ions were the most effective in promoting retrogradation. Granule swelling and disintegration and dissolution of starch polymer molecules was inhibited by sulfate and citrate ions, xanthan, and guar gum. The hydrophilicity or hydrophobicity of hydrocolloid molecules may influence their effect on retrogradation. Dissolved substances may have an effect on hydration and solubility of hydroxypropylated starch molecules. (C) 2017 Elsevier Ltd. All rights reserved.
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