Analysis on nutritional characteristics of rhizomes of Polygonatum sibiricum Red.in Fang County
In order to understand the medicinal quality and edible quality of Polygonatum sibiricum Red.in Fangxian County,Shiyan City,Hubei Province,in October 2023,the fleshy rhizoid of Polygonatum sibiricum Red.was harvested in Dachuan Town,Mengusi Town,Yerengu Town,Hualongyan Town and Shangkan Town,the fresh to dry weight ratio was measured,and the fresh slices were io-dine dyed.The contents of starch,polysaccharides,soluble sugar and soluble protein in dried rhizomes of Polygonatum sibiricum Red.were detected.The results showed that the dry weight proportion of the fleshy rhizomes of Polygonatum sibiricum Red.in Fang County,Shiyan City,was 15.08%～28.76%,the starch content of the dry rhizomes was 98.44～145.89 mg/g,and the polysaccharides content was 8.59%～24.03%,all of which met the standard of Pharmacopoeia of the People's Republic of China,and the medicinal value was high.The soluble sugar content and soluble protein content of the dry rhizomes of domestic Polygonatum sibiricum Red.were 51.53～154.29 mg/g and 83.18～276.21 mg/g,respectively,while the soluble sugar content and soluble protein content of the dry rhizomes of wild Polygonatum sibiricum Red.were 209.93～389.40 mg/g and 55.81～62.91 mg/g,respectively.
Polygonatum sibiricum Red.polysaccharidesstarchsoluble sugarsoluble proteinFang County
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