Abstract:
:Ultrasound is increasingly used for physicochemical modification of food systems as a green technology. Effects of heat-moisture treatment (HMT) assisted by pre- and post-treatment of ultrasound on physicochemical, structural and digestive properties of pea starch was investigated. Pea starch maintained the original morphology and C-type of crystalline after ultrasound treatment (UT), but 4 h or more of HMT and HMT assisted by UT changed the crystalline from C-type to A-type. All treatments decreased the crystallinity, molecular weight, swelling power and solubility at 70-90 °C, and elevated the content of resistant starch. Moreover, HMT assisted by pretreatment of UT was found to increase the viscosity and high-temperature stability of starch paste compared with others by the orderly combined effect of UT-induced depolymerization and HMT-induced depolymerization and rearrangement of starch chains. These results may promote the appropriate use of ultrasound in food industries and the production of starch materials for potential applications.
journal_name
Food Chemjournal_title
Food chemistryauthors
Han L,Cao S,Yu Y,Xu X,Cao X,Chen Wdoi
10.1016/j.foodchem.2021.129929keywords:
["Digestion properties","Heat-moisture","Molecular structure","Pea starch","Physicochemical properties","Ultrasound"]subject
Has Abstractpub_date
2021-10-30 00:00:00pages
129929eissn
0308-8146issn
1873-7072pii
S0308-8146(21)00935-3journal_volume
360pub_type
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