Zhang, C., X. Zhao, M. Yao, J. Zhang, L. Liu, Q. Li, H. Xu, R. Li, and Y. Tian. “High-Density Cultivation of Phaffia Rhodozyma SFAS-TZ08 in Sweet Potato Juice for Astaxanthin Production”. Electronic Journal of Biotechnology, vol. 61, Jan. 2023, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/2022.09.007.