| 真空冷冻干燥对方便米饭理化性质的影响 |
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| 引用本文： | 方丽,王朝辉,姜宏宇,林小秋,闵伟红. 真空冷冻干燥对方便米饭理化性质的影响[J]. 吉林农业大学学报, 2009, 31(6) |
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| 作者姓名： | 方丽 王朝辉 姜宏宇 林小秋 闵伟红 |
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| 作者单位： | 吉林农业大学食品科学与工程学院,长春,130118;吉林农业大学食品科学与工程学院,长春,130118;吉林农业大学食品科学与工程学院,长春,130118;吉林农业大学食品科学与工程学院,长春,130118;吉林农业大学食品科学与工程学院,长春,130118 |
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| 基金项目： | 吉林省科技发展计划项目(20061112) |
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| 摘 要： | 采用电子扫描显微镜(SEM)和X-射线衍射图谱法,对热风干燥和真空冷冻干燥处理的方便米饭的微观结构和结晶结构进行分析。结果表明:真空冷冻干燥法制备的方便米饭表面形成蜂窝状的均匀孔隙结构,纹理比较有规则,无裂痕,同时结晶度较低;而热风干燥的方便米饭结构紧密,无明显空隙,淀粉结晶度较高。
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| 关 键 词： | 真空冷冻干燥 方便米饭 理化性质 |
Influence of Vacuum Freeze-Drying on Physicochemical Property of Instant Rice |
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| FANG Li,WANG Zhao-hui,JIANG Hong-yu,LIN Xiao-qiu,MIN Wei-hong. Influence of Vacuum Freeze-Drying on Physicochemical Property of Instant Rice[J]. Journal of Jilin Agricultural University, 2009, 31(6) |
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| Authors: | FANG Li WANG Zhao-hui JIANG Hong-yu LIN Xiao-qiu MIN Wei-hong |
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| Affiliation: | FANG Li,WANG Zhao-hui,JIANG Hong-yu,LIN Xiao-qiu,MIN Wei-hongCollege of Food Science , Engineering,Jilin Agricultural University,Changchun 130118,China |
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| Abstract: | By adopting electronic scanning microscope(SEM) and X-ray diffraction atlas method,microscopic and crystal structures of instant rice treated with hot air drying and vacuum freeze drying were analyzed.The results showed that: honeycomb-shape hole structure forms on the surface of the instant rice made by vacuum freeze-drying,and its texture is more regular.It does not have fissure and its crystallinity is lower.On the contrast,the structure of instant rice made by hot air drying is compact,it has no obvious... |
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| Keywords: | vacuum freeze drying instant rice physicochemical property |
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