The polysaccharide content of 1-year-old, 2-year-old, 3-year-old and 4-year-old field Polygonatum odoratum were analyzed based on the growth years, rhizome age sections, varieties, the harvest periods and the processing methods.The results showed that the polysaccharide...MORE The polysaccharide content of 1-year-old, 2-year-old, 3-year-old and 4-year-old field Polygonatum odoratum were analyzed based on the growth years, rhizome age sections, varieties, the harvest periods and the processing methods.The results showed that the polysaccharide content of 1-year-old P. odoratum was significantly...