Sán-bah-cheng (Hàn-jī: 瘦肉精), sī chi̍t chióng lam tī gû, ti ê chhī-liāu ê io̍h-á, pún-té iōng tī tī he-khu. Sán-bah-cheng ê chù-sêng-hun sī ractopamine.
