Extraction of Phytosterols from Corn Silk

Abstract

An efficient ultrasonic assisted extraction procedure of phytosterols was established from corn silk (CS). The orthogonal test was applied to optimize the process parameters and a maximum phytosterols recovery as high as 10.59±0.12 mg/g was achieved by ultrasonic treatment for 55 min with liquid–solid ratio of 12:1 at 35 ℃, 220 w. The ultrasonic extraction temperature has the most significant effect on extraction yield of phytosterols.