Sathish, Thadikamala, Doradla Udayakiran, Kushala Himabindu, Patsamatla Lakshmi Durga Sridevi, Devarapalli Kezia, and Pullasi Bhojaraju. 2010. “HPLC Method for the Determination of Lycopene in Crude Oleoresin Extracts”. Asian Journal of Chemistry 21 (1):139-48. https://asianpubs.org/index.php/ajchem/article/view/18906.