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  Indian J Med Microbiol
 

Figure 3: Catalpol degradation (30 mM) at 90°C and pH 4.0 for 4 h in the presence of amino acids (30 mM). (a) degradation rate; (b) absorbance at 420 nm of the 80-fold dilution reaction solution; (c) 2, 2-diphenyl-1-picrylhydrazyl free radical scavenging ability of the 40-fold dilution reaction solution (at full page width)

Figure 3: Catalpol degradation (30 mM) at 90°C and pH 4.0 for 4 h in the presence of amino acids (30 mM). (a) degradation rate; (b) absorbance at 420 nm of the 80-fold dilution reaction solution; (c) 2, 2-diphenyl-1-picrylhydrazyl free radical scavenging ability of the 40-fold dilution reaction solution (at full page width)