Ultrasound-assisted deep eutectic solvent (DES) extraction of coconut dregs as a natural antioxidant to improve the chemical quality and stability of coconut oil. JTRSS [Internet]. 2026 Jun. 30 [cited 2026 Jul. 6];14(2):448-55. Available from: https://journal.umk.edu.my/index.php/jtrss/article/view/1656