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摘要:
[Objectives] This study was conducted to investigate the drying methods,functional and structure properties of dietary fiber( DF) from peanut shells.[Methods]Peanut shells were used as a raw material to prepare peanut shell dietary fiber( DF) by hot air drying( HA) and vacuum freeze drying( VF),respectively,and their functional and structural characteristics were compared in detail. [Results]The solubility,water holding capacity,oil holding capacity and swelling capacity of HA-DF and VF-DF were 2. 15 %,7. 63 g/g,7. 73 g/g,10. 35 ml/g and 3. 85 %,14. 98 g/g,15. 25 g/g,15. 85 ml/g,respectively. The total phenol contents were 2. 623 and 5. 173 mg GAE/g,respectively. The IC(50) values of ·OH,O2~-· and DPPH free radicals were 4. 16 and 4. 09 mg/ml,7. 90 and 3. 32 mg/ml,and 3. 19 and 3. 09 mg/ml,respectively. The molecular weight of VF-DF was smaller,and it had narrow molecular weight distribution and denser particles. Electron microscopy showed that VF-DF had a porous network like honeycomb and swelled structure. [Conclusions]This study can provide a theoretical basis for the functional modification and comprehensive utilization of peanut shell dietary fiber.
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篇名 Effects of Different Drying Methods on the Functional and Structural Properties of Dietary Fiber from Peanut Shell
来源期刊 农业生物技术:英文版 学科 工学
关键词 Peanut shell Dietary fiber Drying method Functional property Structural property
年,卷(期) 2020,(3) 所属期刊栏目
研究方向 页码范围 128-132
页数 5页 分类号 TB3
字数 语种
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Peanut
shell
Dietary
fiber
Drying
method
Functional
property
Structural
property
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研究去脉
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农业生物技术:英文版
双月刊
2164-4993
合肥市农科南路40号省农科院老水产所30
出版文献量(篇)
766
总下载数(次)
7
总被引数(次)
0
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