Page 530 - e-Book

Table 1. Effect of Pongamia pinnata seed extract on Gram-positive and Gram-negative

bacteria
Zone of inhibition (mm)
Conc.
Gram-negative Gram-positive
Extracts (mg/ml)
E. coli K. pneumoniae B. subtilis S. aureus
0.02 Nil Nil Nil Nil

0.04 9 Nil Nil Nil

Methanol 0.06 12 10 9 9
0.08 13 12 10 10

0.1 18 18 20 13

0.02 Nil Nil Nil Nil
0.04 Nil Nil Nil Nil

0.06 Nil Nil Nil Nil
Diethyl Ether
0.08 Nil Nil Nil Nil
0.1 Nil Nil Nil Nil

Nil: No inhibition

Table 4A.5 Effect of Pongamia pinnata callus extract on Gram-positive and Gram-negative
bacteria

Zone of inhibition (mm)
Conc.
Gram-negative Gram-positive
Extracts (mg/ml)
E. coli K. pneumoniae B. subtilis S. aureus

0.02 9 Nil 10 Nil

0.04 10 Nil 11 Nil
0.06 10 11 11 Nil

Methanol 0.08 14 13 12 13

0.1 15 15 20 26
0.02 Nil Nil Nil Nil

0.04 Nil Nil Nil Nil

0.06 Nil Nil Nil Nil
Diethyl Ether 0.08 Nil Nil Nil Nil

0.1 Nil 10 Nil 12

Nil: No inhibition

520