Zhang, Shaoying, Yanbo Li, Ziying Liu, Xiaoke Zhang, Meiyan Wang, and Danrui Zhao. 2015. “Ultrasonic-Assisted Extraction of Total Flavonoid from Peanut Hull Using Ionic Liquid Solution”. Asian Journal of Agriculture and Food Sciences 3 (2). https://ajouronline.com/index.php/AJAFS/article/view/2581.