Sompong, Duangnapa, and Pichaya Trakanrungroj. “THE FLOWER OF RADERMACHERA IGNEA (KURZ) STEENIS, A NEW SOURCE OF ZEAXANTHIN”. Suranaree Journal of Science and Technology 17, no. 3 (August 27, 2026): 303–308. accessed September 10, 2026. https://ph04.tci-thaijo.org/index.php/SUJST/article/view/13632.