Xuan Thi Diem Trinh Nguyen; Ngoc Tram Nguyen Thi; Huynh Thi Hong Hoa; Mai Thi Thuy Lam. DETERMINATION OF THE TOTAL POLYPHENOL AND ALKALOID CONTENT AND ANTIOXIDANT ACTIVITIES OF SOME PLANTS IN TRA VINH PROVINCE. HUIT_OJS 2025, 25, 300-308.