Table 3.
Percentage yields and total antibacterial activity (TAA) of the extracts of six selected plants against bacteria.
| Organisms | Total activity (ml/g) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alchornea laxiflora | Ficus exasperata | Morinda lucida | |||||||||||||
| A | M | E | C.W | HW | A | M | E | C.W | HW | A | M | E | C.W | HW | |
| Staphylococcus aureus | 115.93 | 338.70 | 254.38 | 89.33 | 90.67 | 107.50 | 49.91 | 16.00 | 505.38 | 242.86 | 577.78 | 89.33 | 41.33 | 108.00 | 124 |
| Enterococcus faecalis | 140.35 | 677.41 | 254.39 | 159.52 | 181.33 | 175.44 | 49.91 | 16.00 | 62.67 | 90.91 | 376.81 | 89.33 | 82.67 | 204.54 | 248 |
| Salmonella Enteritidis | 140.34 | 338.71 | 311.84 | 119.42 | 90.66 | 144.91 | 74.66 | 129.03 | 217.60 | 109 | 376.78 | 178.66 | 82.66 | 108.00 | 500 |
| Salmonella Gallinarum | 355.53 | 411.76 | 311.84 | 178.66 | 108.97 | 151.5 | 150.53 | 78.43 | 125.34 | 68 | 1,238 | 437.90 | 124.49 | 108 | 124 |
| Escherichia coli (ATCC) | 172.03 | 338.71 | 254.39 | 89.33 | 181.33 | 42.73 | 119.65 | 64.52 | 125.34 | 90.91 | 188.39 | 360.20 | 82.66 | 108 | 248 |
| Escherichia coli (Isolate) | 1,066.6 | 411.76 | 284.32 | 7,444.3 | 90.66 | 476.14 | 622.2 | 38.46 | 125.34 | 1,133.33 | 1,238 | 134.54 | 202.60 | 9,000 | 2,066.67 |
| Campylobacter coli | 484.81 | 338.71 | 284.32 | 89.33 | 90.66 | 666.6 | 37.33 | 97.56 | 62.67 | 68 | 1,733.2 | 269.07 | 252.02 | 586.96 | 124 |
| Campylobacter jejuni | 242.41 | 126.51 | 420.30 | 89.33 | 90.66 | 111.1 | 74.66 | 48.19 | 62.67 | 90.91 | 481.44 | 214.74 | 124.49 | 108 | 124 |
| % Yield | 5.33 | 21.00 | 9.66 | 22.30 | 22.67 | 3.33 | 9.33 | 4.00 | 15.60 | 17.00 | 8.60 | 22.30 | 10.30 | 27.00 | 31.00 |
| Average | 339.75 | 372.78 | 296.97 | 1,032.40 | 115.62 | 234.49 | 147.36 | 61.02 | 160.88 | 236.74 | 776.3 | 221.72 | 124.12 | 1,291.44 | 444.83 |
| Jatropha gossypiifolia | Ocimum gratissimum | Acalypha wilkesiana | |||||||||||||
| Staphylococcus aureus | 182.79 | 268.82 | 102.15 | 215.05 | 451.61 | 32 | 42.67 | 21.33 | 57.33 | 66.66 | 53.76 | 327.96 | 311.11 | 4,761.90 | 120 |
| Enterococcus faecalis | 246.38 | 166.67 | 68.10 | 106.67 | 112 | 32.00 | 42.67 | 21.33 | 108.59 | 133.33 | 1,111.11 | 40,666.67 | 1,555.56 | 266.67 | 240 |
| Salmonella Enteritidis | 377.80 | 166.66 | 102.15 | 215.05 | 225.81 | 32 | 85.34 | 21.33 | 76.65 | 133.33 | 107.52 | 2,904.71 | 666.71 | 505.05 | 454.54 |
| Salmonella Gallinarum | 377.8 | 1,148.11 | 703.67 | 106.67 | 67.30 | 129.03 | 128.51 | 172.03 | 114.66 | 80.13 | 222.2 | 2,259.22 | 150.55 | 266.66 | 3,333.33 |
| Escherichia coli (ATCC) | 123.20 | 82.66 | 68.10 | 106.67 | 112 | 64.52 | 42.67 | 21.33 | 91.88 | 268.81 | 53.75 | 218.63 | 75.27 | 133.33 | 4285.71 |
| Escherichia coli (Isolate) | 515.18 | 124.49 | 154.46 | 215.05 | 112 | 266.67 | 64.25 | 51.28 | 2,047.57 | 133.33 | 72.46 | 442.02 | 75.27 | 266.66 | 10,000 |
| Campylobacter coli | 1,133.4 | 1,148.11 | 316.65 | 215.05 | 84.34 | 129.03 | 128.51 | 130.07 | 114.66 | 200.80 | 72.46 | 442.02 | 56.23 | 133.33 | 483.87 |
| Campylobacter jejuni | 1,416.75 | 516.65 | 316.65 | 106.66 | 56 | 129.03 | 260.15 | 172.03 | 57.33 | 66.66 | 1,111 | 655.90 | 75.27 | 133.33 | 240 |
| % Yield | 5.60 | 10.33 | 6.33 | 13.33 | 14.00 | 4.00 | 10.66 | 5.33 | 14.33 | 4.00 | 3.33 | 20.33 | 4.67 | 33.33 | 30.00 |
| Average | 546.66 | 452.77 | 228.99 | 160.86 | 152.63 | 101.79 | 99.35 | 76.35 | 333.58 | 135.38 | 350.53 | 5,989.64 | 37,075 | 808.37 | 2,394.68 |
A, Acetone; M, Methanol; E, Ethanol; CW, Cold water; HW, Hot water.