Evaluation of the Effect of Drying Methods on the Quality of Citri Reticulatae Pericarpium Extract Powder Based on Entropy Weight-TOPSIS Method
Objective:To compare and analyze the effects of drying methods on the quality of Citri Reticulatae Pericarpium extract powder.Methods:The Citri Reticulatae Pericarpium extract powder was prepared by spray drying,vacuum belt drying and freeze drying.The yield,glass transition temperature,physical properties and chemical compositions contents of the powder,such as narirutin,hesperi-din,nobiletin,tangeritin,were used as evaluation indexes,and entropy weight-TOPSIS method was used for comprehensive evaluation.Results:The mixture of maltodextrin and Citri Reticulatae Pericarpium,extract could increase the glass transition temperature of the ex-tract powder,and then increase the powder yield of spray drying and vacuum belt drying;The physical properties,such as water content,particle size and micromorphology,were significantly different among different drying methods.There was no significant difference in chemical compositions contents,and chromatographic similarity was greater than 0.980.Entropy weight TOPSIS comprehensive evalua-tion sequence of Citri Reticulatae Pericarpium extract powder prepared by three drying methods was vacuum belt drying＞spray drying＞freeze drying.Conclusion:After comprehensive evaluation by entropy weight-TOPSIS method,the quality of Citri Reticulatae Pericarpium extract powder by vacuum belt drying is the best,providing a basis for the selection of drying methods for Citri Reticulatac Pericarpium.
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