喷雾干燥改性白果粉的分散性及流动性研究(英文)  

Dispersibility and Flowability of Modified Ginkgo biloba Seed Powder by Spray Drying

作　　者：张彩虹[1] 黄立新[1,2] 刘伟[1] 谢普军[1] Arun S MUJUMDAr 

机构地区：[1]中国林业科学研究院林产化学工业研究所,生物质化学利用国家工程实验室,国家林业局林产化学工程重点开放性实验室,江苏省生物质能源与材料重点实验室,江苏南京210042 [2]中国林业科学研究院林业新技术研究所,北京100091 [3]Department of Mechanical Engineering,National University of Singapore,119260 Singapore

出　　处：《生物质化学工程》2011年第4期1-5,共5页Biomass Chemical Engineering

基　　金：国家林业局重点项目“热敏性林化产品低温喷雾干燥技术研究及装备开发”(2011-02);中国林科院林业新技术所基本科研业务费专项资金(CAFINT2010K05)

摘　　要：对喷雾干燥改性白果粉的流动性及分散性进行了研究。以麦芽糊精、β-环糊精、阿拉伯胶为改性辅料，研究辅料品种、辅料添加比例对白果粉分散性及流动性的影响。还研究了水温对改性白果粉分散性的影响。结果表明：β-环糊精为最佳辅料，在60℃时，分散性随β-环糊精比例增加而增加，当β-环糊精与白果粉比例为4：10时，效果较好；在40℃时分散性随β-环糊精比例增加呈先增后减的趋势，当β-环糊精与白果粉比例为3：10时，效果较好。改性白果粉的分散性随着水温的增加呈先增加后减小的趋势，最大分散性出现在40～60℃范围内。The dispersibility and flowability of modified Ginkgo biloba （GB） powder by spray drying was investigated. The additives for modification, i.e. , maltodextrin, β-cyclodextrin and arabic gum, were selected. The dispersibility of modified powder at different water temperature, was measured as well. The results showed thatβ-cyclodextrin was the best to modify the dispersibility and flowability of GB product among the three addtitives. The dispersibility at 60 ℃ and the flowability increased with the increased ratio ofβ-cyclodextrin to GB solid content. The best ratio was 4： 10. But at 40 ℃, the dispersibility increased with ratio increase and then reduced. The best ratio was 3 ： 10. It was also found that the dispersibility of modified dried powder increased with temperature increased first and then decreased. The best dispersibility of modified GB powder was obtained in the range of 40-60℃.

关 键 词：分散性 流动性 改性白果粉 喷雾干燥 

分 类 号：TQ914.1[化学工程]