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Table 1 Antibacterial activity of Nymphaea nouchali seed extract in different concentrations

From: In vitro antimicrobial activity and HPTLC analysis of hydroalcoholic seed extract of Nymphaea nouchali Burm. f.

Microorganisms Zone of inhibition (mm)
1000 μg/ml 500 μg/ml 250 μg/ml 125 μg/ml 62.5 μg/ml DMSO 1% v/v Streptomycin 10 μg/ml
Gram negative bacteria
S. typhi 12 9 - - - - 19
P. aeruginosa 25 20 17 15 11 - 17
E. coli 15 14 11 - - - 16
V. cholerae 13 10 9 9 8 - 20
Brucella 13 8 - - - - 20
K. pneumoniae 13 11 - - - - 19
S. dysenteriae 14 9 8 - - - 20
Gram positive bacteria
S. aureus 20 18 15 12 11 - 23
B. cereus 14 9 - - - - 23
E. faecalis 11 9 8 8 - - 19
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