Microencapsulation of Zanthoxylum Essential Oil by Ultrasonic Wave
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Abstract:
The microencapsulation of zanthoxylum essential oil was studied by ultrasonic wave using β-cyclodextrin (β-CD) as wall materials. Orthogonal design showed that the best ultrasonic power, temperature, ultrasonic time and the ratio of essential oil to β-CD were 200 W, 35 ℃, 30 min, and 1:5, respectively. Under those conditions, the encapsulation rate reached 80.1%. This method was simple and efficient, suitable for the microencapsulation of essential oil using β-cyclodextrin.
