Fig. 2
From: Mechanism of sodium nitroprusside regulating ginseng quality
Effect of SNP on O2·− and H2O2. Changes in O2·− and H2O2 contents were analyzed by spraying 0.1, 0.5 and 2 mmol/L SNP on the fresh roots of P. ginseng for 5 days (A) main root (B) fibrous root. All values were presented as Mean ± SD (n = 3). * and **: Significant at the 5% and 1% probability levels, respectively.
