Phytochemical component and toxicological evaluation of purple sweet potato leaf extract in male Sprague-Dawley rats. - Hisamuddin ASB; Naomi R; Bin Manan KA; Bahari H; Yazid MD; Othman F; Embong H; Hadizah Jumidil S; Hussain MK; Zakaria ZA (Frontiers in pharmacology, 2023)