超声波提取牛蒡类胡萝卜素工艺条件的优化

[目的]优化超声波萃取牛蒡类胡萝卜素的工艺条件。[方法]在单因素试验的基础上,通过正交试验优化超声波萃取牛蒡类胡萝卜素的工艺条件。[结果]牛蒡类胡萝卜素的最佳超声波提取工艺为：牛蒡粉碎粒度为60目,超声功率为300 W,超声温度为30℃。在最佳工艺条件下,牛蒡类胡萝卜素的提取率达到（7.53±0.37）μg/g。[结论]该研究为牛蒡根中类胡萝卜素的提取提供了指导,为牛蒡的深加工提供了理论依据。

Optimization of Ultrasonic Extraction Conditions for Carotenoid from Arctium lappa L.

[Objective] To optimize the ultrasonic extraction conditions for carotenoid from Arctium lappa L.,so as to provide theoretical evidence for the further processing of Arctium lappa L..[Method]The extraction process of Arctium lappa L.carotenoid was optimized by orthogonal test based on single factor test.[Result] The optimal extraction conditions were determined to be: Arctium lappa L.powder particle size of 60 meshes,ultrasonic power of 300 W and extraction temperature of 30 ℃.Under the optimum extraction conditions,the extraction rate of carotenoid from Arctium lappa L.reached as high as(7.53±0.37) μg/g.[Conclusion]This case provides guidance for the extraction of carotenoid from Arctium lappa L.and offers theoretical evidence for the further processing of Arctium lappa L..