Research Article

Antibacterial Properties of Alkaloid Extracts from Callistemon citrinus and Vernonia adoensis against Staphylococcus aureus and Pseudomonas aeruginosa

Table 2

A summary table for the concentration of R6G that accumulated in the bacterial cells after exposure to the extracts.

BacteriaGlucoseReserpineC. citrinusV. adoensis

S. aureus0.14 ± 0.0040.33 ± 0.008
(135%)
0.30 ± 0.0006
(114%)
0.16 ± 0.002 (14%)

P. aeruginosa0.14 ± 0.0030.52 ± 0.03
(271%)
0.31 ± 0.01
(121%)
0.16 ± 0.005 (14%)

Values are expressed as mean (µM) ± standard deviation () and values in parenthesis represent the percentages increases in accumulation from the control (glucose only).