siramon, pornpun, Thitima Wongsheree, and Sarapee Yuadyong. “Ultrasound-assisted extraction of phenolic compounds from coconut endocarp and its radical scavenging activity”. Health Science, Science and Technology Reviews 13, no. 3 (December 25, 2020): 22–28. accessed August 31, 2026. https://li01.tci-thaijo.org/index.php/journalup/article/view/245449.