NGUYEN, Van Sy; LE, Le Hong Dung. OPTIMIZATION AND VALIDATION OF METHOD FOR DETERMINATION OF NATTOKINASE ACTIVITY IN DIETARY SUPPLEMENTS BY ULTRAVIOLET SPECTROPHOTOMETRY. Vietnam Journal of Nutrition & Food, [S. l.], v. 21, n. 5, p. 112–121, 2025. DOI: 10.56283/1859-0381/953. Disponível em: https://tapchidinhduongthucpham.org.vn/index.php/jfns/article/view/953. Acesso em: 16 nov. 2025.