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| Effects of different wall material combinations on the properties of tributyrin microcapsules |
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| DOI： |
| KeyWord:tributyrin microcapsule spray drying wall material physicochemical propery glycerol monolaurate |
| FundProject:国家重点研发项目(2019YFD1002403)；国家自然科学基金（31930084）；国家杰出青年科学基金（31725022）；佛山市南海区人才创新创业团队（201811070001） |
| Author Name | Affiliation | | SANG Zhenyu1, XU Qingqing2, CHEN Ying2, CHEN Xiaohan2，
YANG Bo1，WANG Yonghua2,3 | 1.School of Biology and Biological Engineening, South China University of Technology, Guangzhou
510006, China
2.College of Food Science and Engineering, South China University of
Technology, Guangzhou 510640, China
3.Guangdong Youmei Institute of Intelligent
Bio-manufacturing Co. , Ltd. , Foshan 528226,Guangdong, China |
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| Abstract: |
| In order to broaden the application range of tributyrin, using tributyrin as the core material, and resistant dextrin-gelatin-sodium alginate(RGS), resistant dextrin-gelatin-sodium alginate-glycerol monolaurate(RGSG), resistant dextrin-gelatin-chitosan(RGC), resistant dextrin-gelatin-chitosan-glycerol monolaurate(RGCG) as wall materials, four kinds of microcapsules were prepared by spray drying method. Tributyrin microcapsules were evaluated with regard to embedding rate and yield, particle-size distribution, basic physicochemical properties, color, structural characteristics and appearance. The results showed that RGSG as the wall material had higher embedding rate (91.05%) and yield (90.46%). Compared with RGS and RGC microcapsules, RGSG and RGCG microcapsules had better water activity, particle-size distribution, fluidity, hygroscopicity and brightness. Fourier transform infrared spectroscopy and scanning electron microscope revealed that tributyrin were effectively encapsulated. RGSG，RGCG as the wall materials formed more intense hydrogen bonds. In conclusion, the comprehensive properties of tributyrin microcapsules prepared with RGSG as wall material were better than those of the other three kinds of wall materials. |
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