Phenolics, Antioxidant and Antibacterial Activities of Immature and Mature Blumea balsamifera Leaf Extracts Eluted with Different Solvents

Table 3

Content of quercetin in extracts of immature and mature leaves of B. balsamifera using different eluting solvents.

Treatment		Quercetin (μg QE/g DW)
Maturity	Solvent
Immature		6921.5 ± 9595.4^a
Mature		1524.2 ± 2002.1^b
F-test (maturity)
	Water	1700.7 ± 1193.0^b
	50% EtOH	13717.9 ± 859.2^a
	95%EtOH	1436.3 ± 864.0^b
	Hexane	36.4 ± 9.3^c
F-test (solvent)
F-test (maturity  solvent)
Immature	Water	2760.2 ± 416.3^c
	50% EtOH	22680.4 ± 1808.1^a
	95% EtOH	2200.9 ± 316.6^c
	Hexane	44.5 ± 2.6^d
Mature	Water	641.2 ± 131.7^d
	50% EtOH	4755.4 ± 859.2^b
	95% EtOH	671.8 ± 112.2^d
	Hexane	28.3 ± 3.2^d
F-test
C.V. (%)		17.38

Data are expressed as mean ± SD (n = 3). Values in the same column followed by different letters indicate significant differences at according to Duncan’s multiple range test;  = significant at level.