Fermentation of Panax notoginseng root extract polysaccharides attenuates oxidative stress and promotes type I procollagen synthesis in human dermal fibroblast cells

Table 2 Antioxidant effects of WPNP and FPNP

Sample	Concentration (mg/ml)	DPPH radical scavenging activity (%)	Hydroxy free radical scavenging activity (%)	Superoxide anion free radical scavenging activity (%)
WPNP	0.5	13.82±0.12^ab	33.45±0.47^a	56.48±1.16^a
	1	15.16±0.69^ab	68.78±0.93^b	63.71±0.70^b
	2	51.71±0.44^c	75.54±0.35^cd	66.42±2.49^c
	2.5	57.27±0.48	79.03±0.62^cd	68.39±2.06^d
	5	76.14±1.20^d	96.55±0.06^e	76.35±0.65^e
FPNP	0.5	17.22±0.34^a	31.51±0.81^a	68.28±1.54^ab
	1	40.79±067^b	63.64±1.19^b	69.54±0.62^ab
	2	49.24±0.61^c	76.92±0.36^c	72.21±0.42^cd
	2.5	57.13±0.16^d	90.19±0.10^d	72.49±1.53^cd
	5	62.77±0.71^e	95.45±0.34^e	75.09±0.27^e

Values are presented as mean standard deviation a-e Means in the same column followed by different letters represent significant differences by concentration (p < 0.05)

ISSN: 2662-7671