Quality of Different Types of Polygonatum cyrtonema Hua and Wine-processed Polygonatum-sibiricum Decoction Pieces Based on Stoichiometry
Objective To assess the quality of Polygonatum cyrtonema Hua with different properties from different habitats and wine-processed Polygonatum sibiricum decoction pieces,to optimize the quality and planting habitat of Polygonatum sibiricum,and to pro-vide a reference for selecting high-quality wine-processed Polygonatum sibiricum decoction pieces.Methods With ethanol extract,polysaccharides,monosaccharide,disaccharide,and polygonatine A as the indicators,two-factor analysis,hierarchical cluster analysis,and orthogonal partial least squares-discriminant analysis were used to investigate the influencing factors for the quali-ty of different types of Polygonatum cyrtonema Hua and wine-processed Polygonatum sibiricum decoction pieces,and the en-tropy weight-TOPSIS method was used for quality assessment.Results The type of habitat and properties had varying degrees of influence on the quality of Polygonatum cyrtonema Hua,and properties had a greater influence than habitat;the interaction between habitat and properties had no significant influence.Different types of Polygonatum cyrtonema Hua showed a signifi-cant change after processing.The quality of the medicinal material Polygonatum sibiricum was positively correlated with that of wine-processed Polygonatum sibiricum decoction pieces,especially for the Bletilla striata-shaped Polygonatum from the field in the shade of mountains;ginger-shaped and Bletilla striata-shaped wine-processed Polygonatum sibiricum decoction pieces had the similar quality.In the same habitat,Bletilla striata-shaped wine-processed Polygonatum sibiricum decoction pieces had the highest content of ethanol extract,polysaccharides,fructose,and polygonatine A,followed by ginger-shaped wine-pro-cessed Polygonatum sibiricum decoction pieces,and the cylindrical wine-processed Polygonatum sibiricum decoction pieces had the lowest content.Comprehensive scores showed that Polygonatum cyrtonema Hua with the same properties had higher quali-ty in the shady field than in the understory habitat,and that Bletilla striata-shaped Polygonatum had higher quality than ginger-shaped and cylindrical Polygonatum.Conclusion For different types of Polygonatum cyrtonema Hua and wine-processed Po-lygonatumsibiricum decoction pieces,the Bletilla striata-shaped Polygonatum in the shady field has the best quality and the highest content of nutrients.
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