Zou, Yu, and Aili Jiang. “Optimizing Conditions for Melanin Extraction from Black Tea Leaf”. The Annals of the University Dunarea de Jos of Galati. Fascicle VI - Food Technology 39, no. 2 (November 27, 2016): 30-37. Accessed May 9, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/food/article/view/1579.