Table 1.

FRAP, Phosphomolybdenum reduction activities of Streptomyces sp. AM-S1 culture filtrate, lyophilized culture filtrate and ethyl acetate extract.

Sample	FRAP (μmole Fe(II)/ml)	Phosphomolybdenum (mg AAE/ml)
Maltose yeast extract medium	48.7 ± 2.4	11.4 ± 0.5
Culture filtrate	523.5 ± 18.5	95.9 ± 3.4
	(μmole Fe(II)/mg extract)	(mg AAE/g extract)
Lyophilized culture filtrate	452.4 ± 14.5	83.7 ± 4.5
Ethyl acetate extract	1123.4 ± 54.8	145.6 ± 11.8
Butylated hydroxyanisole (BHA)	814.4 ± 24.9	478.4 ± 24.9

Values are mean of three replicate determinations (n = 3) ± standard deviation.

FRAP – Ferric reducing antioxidant power; AAE – Ascorbic acid equivalent.