Faroerzy NNIB, Razali NFB. Antioxidant Activity of Black Tea and Oolong Tea Extracts as Natural Preservatives in Homemade Cookies. peat [Internet]. 2026 May 19 [cited 2026 Jul. 23];7(1):536-48. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/22585