Antioxidant and Enzyme Inhibitory Potential of Streptomyces sp. G-18 Grown in Various Media

Table 1

Radical scavenging activities of Streptomyces sp. (G-18) extracts. The experiments were conducted in triplicate, and the results were presented as the mean value accompanied by the ±standard deviation (mean ± SD).

Samples	IC50 (μg/mL)
	ABTS	DPPH
R5M	199 ± 1.5^d	NI
R5	100 ± 1.8^c	309 ± 2.7^c
YEME	371 ± 10^e	550 ± 16^d
R2YE	61 ± 1.6^b	244 ± 7.20^b
Gallic acid	2 ± 0.05^a	5 ± 0.1^a

NI; no inhibition. Different letters in the superscript of same column represents the significant difference in mean values, one-way ANOVA, post hoc Tukey, multiple comparison test ().