Melicope ptelefolia leaf extracts exhibit antioxidant activity and exert anti-proliferative effect with apoptosis induction on four different cancer cell lines

Table 1 Extraction yields and antioxidant components of MP

Extraction solvent	Extraction yield	Total phenolic content, TPC	Total flavonoid content, TFC
	(%)	(mg GAE/g DE)	(mg QE/g DE)
Hexane	2.65	28.39 ± 0.63^a	36.13 ± 2.48^a
Ethyl acetate	3.84	31.41 ± 1.07^b	56.45 ± 1.73^b
Methanol	5.78	61.31 ± 1.39^c	97.85 ± 3.71^c
Water	12.00	30.29 ± 0.75^a,b	5.42 ± 0.27^d

GAE gallic acid equivalent, QE quercetin equivalent, DE dried extract. Values are mean ± SD (n = 3). Means with different letters (a-d) are significantly different (p < 0.05)

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