TY  - SER
AU  - liang, Zuanhao
AU  - Xie, Lanhua
AU  - Jiayi, Zhang
AU  - Du, Bing
TI  - Pulverization Using liquid Nitrogen Significantly Improves Physical Properties of Powder and Extraction Yield of Polysaccharides of Astragalus Mongholicus
KW  - Polysaccharide
KW  - Scanning Electron Microscope
KW  - Texture
ER  -