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- W2382304639 abstract "Objective The technological conditions and parameters to extract the volatile oil from Citrus Chachiensis Hortorum, Cortex Cinnamomi and Asarum heterotropoides Fr. Schmidt var. mandshuricum(Maxim.) Kitag. in Siweiqing buccal tablets by microwave-ultrasonic assisted synergistic processes with orthogonal experimental design had been optimized. Methods Based on the single factor test, the extraction technology was optimized by orthogonal experimental design L9(34), while the yield of the volatile oil was acted as indexes. The influence of the factors such as ratio of solid/liquid, soaking time, microwave power and extraction time on the yield of the volatile oil is discussed. Results The optimum parameters of extraction technology were as follows, when cyclohexane as an extraction solvent, fixed ultrasonic power 50 W, a ratio of solid/liquid 1∶8, a soaking time of 60 min, a microwave power 500 W and an extraction treatment time of 5 min, respectively. Under the optimum extraction condition, the yield of volatile oil was 2.51%. Conclusion The extracted technology is simplicity and can be practically applied to the extraction of the volatile oil, it is one of the best efficient techniques of extracting the volatile oil. This extraction technology has been successively applied to extracting the volatile oil from Citrus Chachiensis Hortorum, Cortex Cinnamomi and Asarum heterotropoides Fr. Schmidt var. mandshuricum(Maxim.) Kitag. in Siweiqing buccal tablets with satisfactory results." @default.
- W2382304639 created "2016-06-24" @default.
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- W2382304639 date "2013-01-01" @default.
- W2382304639 modified "2023-09-24" @default.
- W2382304639 title "Study on the extracting technology of volatile oil in Siweiqing buccal tablets by use of microwave-ultrasonic assisted synergistic treatment" @default.
- W2382304639 hasPublicationYear "2013" @default.
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