KHAIRUNNISA, Anita; NOVIYANTI; ASTERINA, Yolanda; KHAIRUNNISA, Anita. Antioxidant Activity Test Of Red Spinach Leaf (Amaranthus Tricolor L.) Extract And Fraction With Methode (2,2-Diphenyl-1 Picrylhydrazyl). SPECTA Journal of Technology, [S. l.], v. 9, n. 2, p. 162–170, 2025. DOI: 10.35718/specta.v9i2.8481340. Disponível em: https://journal.itk.ac.id/index.php/sjt/article/view/8481340. Acesso em: 17 oct. 2025.