Mekesh, Y., G. A. Seitimova, Y. S. Ikhsanov, Y. A. Litvinenko, G. Sh. Burasheva, M. K. Nauryzbaev, & X. A. Aisa. " Development of a method for isolating carotenoids from tomato mass." International Journal of Biology and Chemistry [Online], 11.2 (2018): 124-128. Web. 20 Apr. 2019