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Table 1 The minimum inhibitory concentrations of the extract, n-hexane, ethylacetate, n-butanol and aqueous fractions and standard antibiotics exhibited against susceptible bacterial isolates

From: Probable mechanisms of biocidal action of Cocos nucifera Husk extract and fractions on bacteria isolates

Bacterial isolates CE (mg/ml) N-HEX (mg/ml) ETHYL (mg/ml) BUT (mg/ml) AQU (mg/ml) STREP (mg/ml)
B. cereus (NCIB 6349) 6.25 5.00 5.00 1.25 5.00 0.06
B. polymyxa (LIO) 6.25 ND ND ND ND 0.13
B. anthracis (LIO) 6.25 2.50 5.00 2.50 5.00 0.25
B. subtilis (NCIB 3610) 6.25 5.00 5.00 2.50 5.00 0.25
B. stearothermophillus (NCIB 8222) 6.25 2.50 2.50 1.25 2.50 0.06
C. sporogenes (NCIB 532) 6.25 5.00 5.00 1.25 5.00 0.06
C. pyogenes (LIO) 6.25 5.00 5.00 2.50 5.00 0.13
E. faecalis (NCIB 775) 0.39 0.16 0.16 0.16 0.16 0.03
M. luteus (NCIB 196) 6.25 5.00 5.00 1.25 5.00 0.25
K. pneumoniae (NCIB 418) 6.25 5.00 5.00 1.25 5.00 0.50
Ps. flourescens (NCIB 3756) 3.13 5.00 5.00 1.25 5.00 0.03
P. vulgaris (LIO) 12.50 2.50 5.00 2.50 2.50 0.50
  1. KEY: LIO = Locally Isolated Organism, NCIB = National Collection of Industrial Bacteria, CE = Plant extract, N-HEX = N-Hexane fraction, ETHYL = Ethyl acetate fraction, BUT = n-Butanol fraction, AQU = Aqueous fraction, STREP = Streptomycin, ND = Not Determined.