Mai Thi Hoai Thuong, Dao Thi Thu Thao, Tan Van Hau, Le Thi Hong Thuy, Nguyen Thi Luong. OPTIMIZATION OF ANTHOCYANIN EXTRACTION PROCESS FROM PURPLE SWEET POTATO PEEL (Ipomoea batatas L.) USING ULTRASOUND-ASSISTED ENZYMATIC EXTRACTION METHOD. HUIT_OJS [Internet]. 2026 May 18 [cited 2026 Aug. 26];26(1E):112. Available from: http://huitjournal.vn/index.php/huit-j-sci/article/view/347