[Abstract] Drying, sulphur fumigation, hot air drying, microwave drying equipment, infrared drying and various combined techniques to dry Tianma medicinal materials, by comparing the traits, extracts and active ingredients of each sample, examine different drying methods for Tianma medicinal materials The impact of quality.
The results showed that the characteristics of the samples obtained by sulfur fumigation, hot air drying and hot air microwave drying were better; different drying methods had little effect on the leachate, and the content of the leachate after hot air drying treatment was higher; sulfur fumigation, microwave drying alone, Infrared drying alone causes a conversion of the stilbene glycoside component and a decrease in the content of the gastrodia elata polysaccharide. Comprehensive analysis of the traits of the medicinal materials, the content of active ingredients, production costs and other factors, the method of drying and processing the natural gas of the gastrodia elata is preferred by hot air drying or hot air microwave drying.
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