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Table 3 The MIC values of B. pilosa and D. cinerea leaf extracts after exposure to simulated gastric fluid

From: Antibacterial activity and in situ efficacy of Bidens pilosa Linn and Dichrostachys cinerea Wight et Arn extracts against common diarrhoea-causing waterborne bacteria

Bacteria

Plants

MIC values (mg/mL)

H

D

EA

A

M

Ampicillin

S. typhimurium

B. pilosa

2.5

NA

2.5

NT

NT

0.63

D. cinerea

NA

NA

NT

1.25

1.25

S. boydii

B. pilosa

NA

1.25

2.5

1.25

1.25

0.31

D. cinerea

NA

0.63

1.25

0.63

1.25

V. parahaemolyticus

B. pilosa

NA

NA

1.25

1.25

1.25

0.31

D. cinerea

NA

NA

NA

2.5

NA

E. coli

B. pilosa

NA

1.25

1.25

2.5

NA

0.63

D. cinerea

NT

NA

NT

NT

NA

K. pneumoniae

B. pilosa

NT

1.25

2.5

2.5

NA

0.63

D. cinerea

NT

NA

1.25

1.25

1.25

  1. NT Not tested, NA No activity, H hexane, D dichloromethane, EA ethyl acetate, A acetone, M methanol