| 不同干燥方法对三七内部结构和复水品质的影响 |
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| 引用本文： | 周国燕,詹博,桑迎迎,王春霞,胡晓亮.不同干燥方法对三七内部结构和复水品质的影响[J].食品科学,2011,32(20):44-47. |
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| 作者姓名： | 周国燕 詹博 桑迎迎 王春霞 胡晓亮 |
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| 作者单位： | 上海理工大学低温生物与食品冷冻研究所 |
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| 基金项目： | 国家自然科学基金青年基金项目(50206013); 上海市重点学科建设项目(S30503); 上海市教委科研创新项目(09YZ230) |
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| 摘 要： | 对比研究真空冷冻干燥、真空干燥和热风干燥对三七内部结构和复水品质的影响。采用微CT技术对干燥样品进行扫描和图像重构，计算干燥样品的孔隙率和复水比，对3种干燥方法所得样品的复水品质进行对比分析。结果表明：3种干燥方法对孔隙率和复水比都有极显著影响(P＜0.01)。从内部结构的保持和复水品质角度来看，真空冷冻干燥优于其他两种干燥方法，较适于工业生产。
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| 关 键 词： | 三七 孔隙率 复水品质 干燥方法 |
Influence of Drying Methods on Inner Structure and Rehydration Quality of Radix Notoginseng |
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| ZHOU Guo-yan,ZHAN Bo,SANG Ying-ying,WANG Chun-xia,HU Xiao-liang.Influence of Drying Methods on Inner Structure and Rehydration Quality of Radix Notoginseng[J].Food Science,2011,32(20):44-47. |
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| Authors: | ZHOU Guo-yan ZHAN Bo SANG Ying-ying WANG Chun-xia HU Xiao-liang |
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| Affiliation: | (Institute of Cryo-medicine and Food Refrigeration, Shanghai University of Science and Technology, Shanghai 200093, China) |
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| Abstract: | The influence of vacuum freeze-drying,vacuum drying and hot-air drying on the inner structure and rehydration quality of Radix Notoginseng(dried roots of Panax notoginseng) was comparatively investigated.Porosity and rehydration rate of dried samples were calculated based on Micro-CT scanning and image reconstruction.All the three drying methods had a highly significant impact on porosity and rehydration rate of dried samples.In terms of inner structure maintenance and rehydration quality,vacuum freeze-dryi... |
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| Keywords: | Panax notoginseng porosity rehydration quality drying method |
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