稳定化米糠对营养重组米回生动力学的影响
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(1. 东北农业大学食品学院,黑龙江 哈尔滨 150030;2. 沈阳师范大学粮食学院,辽宁 沈阳 110034)

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王鹏(1989—),男,东北农业大学在读硕士研究生。E-mail: wpeng_mail@126.com

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“十二五”农村领域国家科技支撑计划课题(编号:2012BAD34B02);黑龙江省教育厅科学技术研究重点项目(编号:12511z006);哈尔滨市优秀学科带头人基金(编号:2012RFXXN107)


Effect of stabilized rice bran addition on retrogradation kinetics of restructured rice
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(1. College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; 2. College of Grain Science and Technology, Shenyang Normal University, Shenyang, Liaoning 110034, China)

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    摘要:

    利用差示扫描量热仪(DSC)和X-射线衍射对营养重组米的回生特性和晶体结构特征进行研究,并分析稳定化米糠对营养重组米回生特性及Avrami方程的影响。结果表明:稳定化米糠对营养重组米的回生具有明显抑制作用,添加稳定化米糠的挤压重组米其结晶速率常数k明显小于没有添加米糠的营养重组米和天然大米,晶体的成核方式为瞬间成核;X-射线衍射结果表明,经7 d贮存期回生后的样品中,添加稳定化米糠的营养重组米会形成V-型和少量B-型晶体结构,表明有直链淀粉—脂质复合物形成。

    Abstract:

    The retrogradation and crystallization characteristics of restructured rice were studied by DSC and XRD, and the effect of stabilized rice bran on Avrami equation and retrogradation behavior of restructured rice were analyzed. The results indicated that stabilized rice bran has a significant inhibition on retrogradation of restructured rice. The rate constant k of restructured rice with stabilized rice bran was the lowest in the test samples, and the development of crystal showed instantaneous nucleation; the V-type diffraction pattern and less B-type diffraction pattern were found in the restructured rice with stabilized rice bran after 7 days storage, which indicated that the formation of amylose-lipid complexs that could retard the retrogradation.

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引用本文

王鹏,杨柳,肖志刚,等.稳定化米糠对营养重组米回生动力学的影响[J].食品与机械,2015,31(4):31-34.
WANGPeng, YANGLiu, XIAOZhigang, et al. Effect of stabilized rice bran addition on retrogradation kinetics of restructured rice[J]. Food & Machinery,2015,31(4):31-34.

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  • 收稿日期:2015-06-08
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  • 在线发布日期: 2023-03-30
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