Comparative Study of Phytochemical, Antioxidant, and Cytotoxic Activities and Phenolic Content of Syzygium aqueum (Burm. f. Alston f.) Extracts Growing in West Sumatera Indonesia

Table 4

Antioxidant activities 50 (IC₅₀) of S. aqueum leaves and stem bark extracts to hydrogen peroxide.

No.	Extract	IC50 (μg/mL) to H2O2
		Fruit color of leaves extract		Fruit color of bark extract
		Pink	Red	Pink	Red
(1)	Methanol	44.02	55.85	19.13	22.37
(2)	Ethyl acetate	16.44	18.99	24.21	27.50
(3)	Hexane	No reactive	No reactive	No reactive	No reactive