In Vitro and In Vivo Antioxidative Activity against Radiation-Induced Damage and the Systematic Chemical Components of Different Extracts of Lagotis brevituba Maxim

Table 2

Effects of L. brevituba Maxim extract on the level of MDA and antioxidant enzyme activities of SOD and GSH-Px^A.

Groups	SOD			MDA			GSH-Px
	Brain (U/mg)	Liver (U/mg)	Blood (U/ml)	Brain (nmol/mg)	Liver (nmol/mg)	Blood (nmol/mg)	Brain (U)	Liver (U)	Blood (U)
Control	167.93 ± 4.70^e	169.00 ± 5.73^e	127.30 ± 4.33^d	0.49 ± 0.03^e	0.45 ± 0.02^e	2.15 ± 0.19^e	56.44 ± 0.70^e	539.44 ± 26.02^e	338.13 ± 17.97^d
Model	81.17 ± 2.46^a	67.83 ± 1.87^a	50.72 ± 1.63^a	1.05 ± 0.06^a	0.77 ± 0.04^a	3.36 ± 0.42^a	12.41 ± 0.98^a	307.72 ± 5.99^a	105.04 ± 2.49^a
Low-dose	95.27 ± 3.40^b	79.24 ± 2.43^b	96.1 ± 3.27^b	0.96 ± 0.02^b	0.65 ± 0.03^b	2.78 ± 0.07^b	17.12 ± 1.15^b	415.20 ± 7.65^b	125.18 ± 4.32^a
Medium-dose	116.53 ± 5.48^c	102.02 ± 2.58^c	110.28 ± 3.27^c	0.81 ± 0.02^c	0.57 ± 0.01^c	2.54 ± 0.14^e	22.88 ± 1.96^c	450.99 ± 16.04^c	211.51 ± 11.42^b
High-dose	133.56 ± 3.91^d	115.60 ± 5.32^d	115.01 ± 1.54^c	0.62 ± 0.03^d	0.53 ± 0.02^d	2.36 ± 0.06^e	34.31 ± 1.40^d	468.27 ± 14.57^d	299.29 ± 23.77^c

Values are expressed as mean ± standard deviation; different superscript lowercase letters denote statistically significant difference .