Biological Activities of the Polysaccharides Produced in Submerged Culture of Two Edible Pleurotus ostreatus Mushrooms

Table 2

EC₅₀ values of EPS and IPS from submerged culture of Pleurotus ostreatus M2191 and PBS281009.

Activity	EC50 (mg/mL)
	EPS		IPS		Ascorbic acid	EDTA
	M2191	PBS281009	M2191	PBS281009
DPPH radical scavenging activity	6.11±0.07	4.81±0.11	7.32±0.04	3.85±0.25	23.04±1.54	—
ABTS radical scavenging activity	7.66±0.55	5.42±0.06	5.97±0.22	5.48±0.59	0.21±0.32	—
Reducing power	7.02±0.23	4.49±0.09	5.03±0.17	4.25±0.43	0.25±0.65	—
Iron chelating activity	1.53±0.64	1.36±0.02	1.49±0.2	1.31±0.08	—	0.05±2.43