Skip to main content
. 2020 May 27;11:990. doi: 10.3389/fmicb.2020.00990

TABLE 3.

Inhibitory potential (IP) of the pulp and seed phenolic extracts of S. cumini (L.) Skeels against the evaluated bacteria.

Bacteria Phenolic extract
Pulp
Seed
Concentration (mg GAE/g of pulp) Extract dilution IP Concentration (mg GAE/g of seed) Extract dilution IP
E. coli 0.78 1:2 7.07 11.29 1:2 >8.00
0.39 1:4 1.60 5.65 1:4 6.86
0.19 1:8 1.49 2.82 1:8 3.90
P. aeruginosa 0.78 1:2 3.50 11.29 1:2 >8.00
0.39 1:4 1.50 5.65 1:4 6.09
0.19 1:8 0.97 2.82 1:8 2.22
Salmonella Typhimurium 0.78 1:2 3.82 11.29 1:2 >8.00
0.39 1:4 1.58 5.65 1:4 >8.00
0.19 1:8 1.07 2.82 1:8 4.18
L. monocytogenes 0.78 1:2 3.83 11.29 1:2 >8.00
0.39 1:4 1.94 5.65 1:4 >8.00
0.19 1:8 0.81 2.82 1:8 4.11
S. aureus 0.78 1:2 3.89 11.29 1:2 >8.00
0.39 1:4 0.76 5.65 1:4 >8.00
0.19 1:8 N.I. 2.82 1:8 >8.00
1.41 1:16 >8.00

GAE, gallic acid equivalent. IP, inhibitory potential equal to 1 indicates 10-fold inhibition compared to the control, due to logarithmic scale; N.I., no inhibition. *We considered no inhibition when bacterial populations between treatment and control differed by less than twofold (IP ¡ 0.301).