Skip to main content

Table 2 Effect of fungal elicitors on andrographolide production (Mean ± SD)

From: Enhanced synthesis of andrographolide by Aspergillus niger and Penicillium expansum elicitors in cell suspension culture of Andrographis paniculata (Burm. f.) Nees

Name of elicitors Treatment durations Concentrations of elicitor Andrographolide content in μg/g Fold increase
   Control 21.0 ± 0.74  
Aspergillus niger 4 days 1.0 ml 52.0 ± 0.13 2.47
1.5 ml 45.0 ± 0.61 2.14
2.0 ml 19.0 ± 0.3 -
  Control 88.0 ± 0.37  
7 days 1.0 ml 331.0 ± 0.43 3.76
1.5 ml 88.0 ± 0.34 -
2.0 ml 8.0 ± 0.70 -
  Control 19.0 ± 0.13  
10 days 1.0 ml 42.0 ± 0.94 2.21
1.5 ml 132.0 ± 0.62 6.94
2.0 ml 47.0 ± 0.74 2.47
   Control 10.0 ± 0.11  
Penicillium expansum 2 days 0.3% 12.0 ± 0.84 1.2
0.6% 22.0 ± 0.83 2.2
1.2% 16.0 ± 0.69 1.6
  Cont. 24.0 ± 0.28  
5 days 0.3% 22.0 ± 0.86 -
0.6% 35.0 ± 0.95 1.45
1.2% 32.0 ± 0.11 1.33
  Cont. 13.0 ± 0.45  
8 days 0.3% 29.0 ± 0.14 2.23
0.6% 81.0 ± 0.74 6.23
   1.2% 15.0 ± 0.21 1.15