BINTI ISMAIL, Nurul Nadiah; SAPINA ABDULLAH, Uthumporn Utra @. Determination of Phenolic and Antioxidant Properties in Tea and Spent Tea Under Various Extraction Method and Determination of Catechins, Caffeine and Gallic Acid by HPLC. International Journal on Advanced Science, Engineering and Information Technology, [S. l.], v. 5, n. 3, p. 158–164, 2015. DOI: 10.18517/ijaseit.5.3.520. Disponível em: https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/520. Acesso em: 22 jul. 2024.