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Effect of high speed jet on the physical properties of tapioca starch

文献类型： 外文期刊

作者： Xia, Wen 1 ; Wang, Fei 1 ; Li, Jihua 1 ; Wei, Xiaoyi 1 ; Fu, Tiaokun 1 ; Cui, Lihong 1 ; Li, Te 1 ; Liu, Yunfei 2 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc, Minist Agr, Zhanjiang 524001, Peoples R China

2.Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China

关键词： Tapioca starch;High speed jet;Physical properties

期刊名称：FOOD HYDROCOLLOIDS （ 影响因子：9.147； 五年影响因子：9.169 ）

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收录情况： SCI

摘要： Tapioca starch-water suspension was subjected to high speed jet (HSJ) treatment and the physical properties were investigated by Particle size analysis, Differential scanning calorimetry (DSC), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Scanning electron microscope (SEM). Particle size analysis revealed a significant increase in volume mean diameter from 17.00 to 40.35 mu m. SEM studies showed that treated tapioca starch (TS) was prone to aggregate with each other and markedly damaged at starch granule surface which eventually disintegrated into gel-like structures at high pressure level. XRD patterns showed that all samples exhibited A-type and there was an evident loss of crystallinity after treated over 160 MPa. The TS showed similarity on FTIR spectral pattern but had different intensity in some peaks at increasing pressure. DSC analysis confirmed that TS was partly gelatinized after HSJ treatment, and the degree of gelatinization increased to 34.34 +/- 1.0% when the pressure was 240 MPa. These results provided the basic information on the physical properties of TS treated at different pressures and indicated the potential possibility of HSJ for starch modification. (C) 2015 Elsevier Ltd. All rights reserved.

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[1]Physical Properties of Mixtures of Rice Starch and Tapioca Starch Prepared by Extrusion Cooking Technology. Xia, Wen,Li, Ji-hua,Wang, Fei,Wei, Xiao-yi,Fu, Tiao-kun,Zhang, Zhen-wen. 2016

[2]Advanced technology for nanostarches preparation by high speed jet and its mechanism analysis. Xia, Wen,Wei, Xiao-yi,Liu, Hong-chao,Li, Ji-hua,He, Dong-ning,Fu, Yun-fei,Liu, Yun-fei,Li, Ji-hua.

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