Eric Wei Chiang Chan, Phui Yan Lye, Suit Ying Eng, and Yuen Ping Tan. 2013. “Antioxidant Properties of Herbs With Enhancement Effects of Drying Treatments: A Synopsis”. Free Radicals and Antioxidants 3 (1):2-6. http://mail.antiox.org/index.php/fra/article/view/206.