Charoenchai, Laksana, Tawanchai Phohom, Bancha Yingngam, and Charuwan Thanawiroon. 2026. “Comparative Evaluation of Spectrophotometric and HPLC-PDA Methods for Carotenoid Quantification in Cold Pressed Capsicum annuum Oil”. Suan Sunandha Science and Technology Journal 13 (1). Bangkok, Thailand:71-84. https://doi.org/10.53848/ssstj.v13i1.1306.