Ariyabukalakorn, Varitha, Sumalee Panthong, and Arunporn Itharat. “Effects and Chemical Contents of Hydrolysis Modification of Aqueous Roselle Extract to Reflect the Antioxidant and Anti-Inflammatory Effects”. Science & Technology Asia 24, no. 4 (October 31, 2019): 115-125. Accessed November 29, 2020. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/190572.