Schisandra chinensis bee pollen’s chemical profiles and protective effect against H2O2-induced apoptosis in H9c2 cardiomyocytes

Table 2 Effects of SCBPE on SOD activity and MDA and GSH levels induced by H₂O₂ in H9c2 cells

Group	SOD (U/mL)^a	GSH (μmol/g prot)^a	MDA (nmol/mg prot)^a
Negative control group	54.6014 ± 0.2399*	39.8462 ± 1.6048*	0.3034 ± 0.1045*
H₂O₂ group	51.2855 ± 0.4685	26.3654 ± 5.7993	1.4215 ± 0.3413
Positive control (Vc) group	51.9344 ± 0.7776	26.1652 ± 1.3582	0.5677 ± 0.1884*
12.5 μg/mL SCBPE	52.1944 ± 0.5090	36.4072 ± 0.4569#	0.6326 ± 0.1262#
25 μg/mL SCBPE	53.3966 ± 0.4482#	41.3148 ± 2.3994*	0.4958 ± 0.0945*
50 μg/mL SCBPE	52.9136 ± 0.3818#	35.6945 ± 2.7386#	0.5665 ± 0.1061*

^aValues represent mean ± SD of three independent experiments, and n = 6 in each experiment. Compared with H₂O₂ group, #p < 0.05, *p < 0.01

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