an increasing trendp > 0.05
SZ-A relieves renal injury by decreasing systemic nitrosative stress in diabetic ZDF rats In comparison with Con, repeated treatments with SZ-A significantly decreased the blood iNOS and NO levels in diabetic ZDF rats ( p < 0.05, Figures 4A , B ), and showed an increasing trend of blood T-AOC and SOD levels ( p > 0.05, Figures 4C , D ).