ABSTRACT: Objective: To study the effects of different drying methods on the quality of Sichuan bergamot. METHODS: With the contents of hesperidin, polysaccharide and volatile oil as indexes, the effects of different drying methods on the quality of Citrus Bergamot were compared by optimizing oven drying, microwave drying equipment and hot air drying technology.
Result: The optimum drying technology of oven drying is 50 C, 8 h, laying one layer; the optimum drying technology of microwave drying is 75 C, 1 h, 500 W, laying two layers; the optimum drying technology of hot air drying is 75 C, 1 h, 1.0-1.2 m s-1, laying. The contents of hesperidin, polysaccharide and volatile oil in Sichuan Bergamot treated by microwave drying and hot air drying were significantly higher than those treated by oven drying. CONCLUSION: Microwave drying and hot air drying are suitable for the drying of Sichuan Bergamot medicinal materials.
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