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Table 5 Antibacterial activity of all major part extracts in aqueous and organic solvent of C. papaya against gram positive and gram negative bacterial strains (mean ± SE; n = 3)

From: Compositional difference in antioxidant and antibacterial activity of all parts of the Carica papaya using different solvents

Organisms n-hexane Dichloro-methan n-butanol Ethyl-acetate Water Methanol Ethanol Cipro-floxacin
Pulp
S.aureus 7.8 ± 0.2b 10.5 ± 0.5ab 9.0 ± 0.5b 11.9 ± 1.3a 9.0 ± 0.5a 13.0 ± 0.0b 17.8 ± 0.0a 21.5 ± 0.8
B. cereus 6.8 ± 0.5c 10.1 ± 0.5ab 10.0 ± 0.2a 12.2 ± 0.6a 8.7 ± 0.8a 12.9 ± 0.8b 15.9 ± 0.8a 18.6 ± 0.6
E. coli 9.3 ± 0.1a 11.2 ± 0.1a 9.0 ± 0.1b 10.1 ± 0.0a 9.2 ± 0.0a 11.5 ± 0.1b 16.9 ± 0.0a 22.3 ± 1.1
P. multocida 7.9 ± 0.3b 9.7 ± 0.7b 10.0 ± 0.9a 11.5 ± 1.2a 7.9 ± 2.4a 14.8 ± 1.7a 18.1 ± 1.2a 21.2 ± 1.2
LSD 5 % 0.59*** 0.94* 1.01* 1.76 ns 2.41 ns 1.80* 1.40*  
Leaves
S.aureus 6.7 ± 0.2a 6.7 ± 0.2b 5.9 ± 0.4c 9.2 ± 0.3a 7.3 ± 0.1c 9.2 ± 0.2d 16.2 ± 0.3a 21.5 ± 0.8
B. cereus 5.7 ± 0.2b 5.2 ± 0.4d 5.9 ± 0.4c 7.2 ± 0.3c 9.0 ± 0.2b 11.0 ± 0.1b 14.5 ± 0.2c 18.6 ± 0.6
E. coli 6.9 ± 0.0a 6.3 ± 0.0c 7.5 ± 0.1b 8.2 ± 0.2b 9.0 ± 0.1b 10.0 ± 0.4c 14.3 ± 0.1c 22.3 ± 1.1
P. multocida 5.6 ± 0.9b 7.2 ± 0.2a 8.1 ± 0.1a 9.2 ± 0.2a 9.2 ± 0.1a 13.2 ± 0.5a 15.3 ± 0.3a 21.2 ± 1.2
LSD 5 % 0.97* 0.31*** 0.60*** 0.45*** 0.25*** 0.62*** 0.40***  
Seed
S.aureus 5.5 ± 0.2b 4.6 ± 0.0c 9.0 ± 0.2b 9.7 ± 0.4b 8.7 ± 0.3c 9.9 ± 0.4b 14.0 ± 0.3a 21.5 ± 0.8
B. cereus 6.1 ± 0.3a 7.3 ± 0.4a 9.5 ± 0.1a 9.1 ± 0.1c 10.1 ± 0.0a 11.3 ± 0.0a 11.7 ± 0.2b 18.6 ± 0.6
E. coli 5.0 ± 0.1c 6.8 ± 0.0b 8.7 ± 0.2c 10.5 ± 0.0a 9.6 ± 0.1b 10.9 ± 0.3a 14.0 ± 0.1a 22.3 ± 1.1
P. multocida 6.3 ± 0.2a 6.5 ± 0.3b 8.4 ± 0.2c 9.0 ± 0.1c 10.4 ± 0.3a 10.1 ± 0.1b 13.8 ± 0.1a 21.2 ± 1.2
LSD 5 % 0.36*** 0.47*** 0.35*** 0.38*** 0.38*** 0.49*** 0.31***  
Roots
S. aureus 4.0 ± 0.1b 7.0 ± 1.0a 8.0 ± 0.3a 8.3 ± 0.3b 7.2 ± 0.4a 10.2 ± 0.4a 10.5 ± 1.0a 21.5 ± 0.8
B. cereus 3.8 ± 0.9b 7.0 ± 0.9a 7.6 ± 0.6a 8.2 ± 0.6b 8.0 ± 0.4a 9.3 ± 0.2a 9.5 ± 0.0a 18.6 ± 0.6
E. coli 5.8 ± 0.0a 8.6 ± 0.1a 9.1 ± 0.0a 8.0 ± 0.4b 8.5 ± 0.4a 9.9 ± 0.2a 11.0 ± 0.0a 22.3 ± 1.1
P. multocida 5.5 ± 0.1a 8.1 ± 0.1a 8.7 ± 1.0a 9.0 ± 0.0a 10.0 ± 1.9a 10.2 ± 1.2a 11.7 ± 1.0a 21.2 ± 1.2
LSD 5 % 0.86** 1.24* 1.11 ns 0.61* 1.89* 1.26 ns 1.31*  
Peels
S. aureus 5.4 ± 0.1a 5.6 ± 0.0b 6.4 ± 0.1d 7.0 ± 0.4a 7.7 ± 0.4a 8.1 ± 0.3c 12.5 ± 0.3c 21.5 ± 0.8
B. cereus 5.3 ± 1.5a 5.6 ± 0.2b 6.7 ± 0.0c 7.4 ± 0.1ab 7.9 ± 0.9a 8.12 ± 0.1c 14.8 ± 0.2a 18.6 ± 0.6
E. coli 6.5 ± 0.0a 5.8 ± 0.1ab 7.3 ± 0.1a 8.0 ± 0.4a 8.6 ± 0.2a 9.1 ± 0.0a 13.6 ± 0.3b 22.3 ± 1.1
P. multocida 5.9 ± 1.3a 6.0 ± 0.1a 7.0 ± 0.2b 7.8 ± 0.3a 8.0 ± 0.0a 8.8 ± 0.1b 12.5 ± 1.2c 21.2 ± 1.2
LSD 5 % 1.87 ns 0.26* 0.18*** 0.62* 0.96 ns 0.13*** 0.83*  
Bark
S.aureus 6.9 ± 0.0a 7.1 ± 1.2a 7.5 ± 1.2a 8.0 ± 1.9a 8.0 ± 1.1a 8.9 ± 1.3a 10.9 ± 1.1a 21.5 ± 0.8
B. cereus 6.1 ± 0.0b 7.3 ± 1.0a 7.4 ± 1.5a 8.5 ± 0.3a 8.0 ± 0.1a 9.1 ± 1.5a 10.5 ± 1.6a 18.6 ± 0.6
E. coli 5.9 ± 0.1b 7.8 ± 0.0a 8.0 ± 0.1a 8.9 ± 0.2a 9.0 ± 0.0a 10.5 ± 0.0a 11.0 ± 0.0a 22.3 ± 1.1
P. multocida 7.5 ± 0.7a 7.6 ± 0.3a 8.0 ± 1.2a 9.4 ± 1.4a 8.3 ± 0.7a 10.0 ± 2.1a 11.0 ± 1.0a 21.2 ± 1.2
LSD 5 % 0.66** 1.50 ns 2.16 ns 2.23 ns 1.22 ns 2.72 ns 2.06 ns  
  1. Values with same letter in superscript in row do not differ significantly
  2. NS non-significant
  3. ***, ** and * significant at 0.001, 0.01 and 0.05 levels respectively