TABLE 1.

Effect of the polysaccharide on the antioxidant enzyme activity and malondialdehyde content of C. elegans.

Treatment	Antioxidant enzyme activity1			MDA content2
	SOD	CAT	GSH-Px
0 mg/mL	47.91 ± 0.42d	64.26 ± 1.48d	54.82 ± 0.65b	3.53 ± 0.18a
0.1 mg/mL	50.29 ± 0.79c	71.73 ± 1.88c	57.55 ± 0.74b	3.28 ± 0.07a
0.3 mg/mL	56.72 ± 0.19b	89.93 ± 3.34b	92.15 ± 1.77a	2.68 ± 0.06b
0.5 mg/mL	69.21 ± 0.88a	96.15 ± 2.72a	92.03 ± 1.63a	1.90 ± 0.09c

The worms treated with JCH-a1. The antioxidant enzyme activity and MDA content of worms were measured. Mean with different letters in a row are significantly different (P < 0.05). The values shown are the means ± SD of 100 worms.

¹SOD, CAT and GSH-Px U/mg protein.

²MDA nmol/mg protein.