Table 4b.
Results on yield, minimum inhibitory concentration and total activities of acetone extracts obtained from rhizomes of hydroponically- cultivated S. aethiopicus following exposure to various substrate combinations and watering regimes.
| Treatment | Yield ± SE (mg) | MIC ± SE (mg/ml) | Total Activity (ml/g) | |||
|---|---|---|---|---|---|---|
| 3-days | 5-days | 3-days | 5-days | 3-days | 5-days | |
| T1 (12 H) | 133 ± 33.3 A | 133 ± 33.3 A | 0.156 ± 0.03 A | 0.125 ± 0.03 A | 296 ± 59.1* A | 354.9 ± 0.3* A |
| (18 H) | 0.313 ± 0.06 a | 0.25 ± 0.06 a | 148. 16 ± 29.6* a | 177.8 ± 2* a | ||
| T2 (12 H) | 166 ± 33.3 A | 133 ± 33.3 A | 0.125 ± 0.03 A | 0.125 ± 0.03 A | 532.1 ± 177.1* A | 413.86 ± 156.2* A |
| (18 H) | 0.375 ± 0 a | 0.313 ± 0.06 a | 148.16 ± 29.6* a | 148.16 ± 29.6* a | ||
| T3 (12 H) | 100 ± 0 A | 100 ± 0 A | 0.078 ± 0.02 A | 0.06 ± 0.02 A | 472.8 ± 118.2* A | 591 ± 118.2* A |
| (18 H) | 0.25 ± 0.06 a | 0.1875 ± 0 a | 148.16 ± 29.6* a | 177.8 ± 2 a | ||
| T4 (12 H) | 100 ± 0 A | 100 ± 0 A | 0.125 ± 0.03 A | 0.109 ± 0.04 A | 295.66 ± 58.9* A | 413.86 ± 156.2* A |
| (18 H) | 0.313 ± 0.06 a | 0.1875 ± 0 a | 118.5 ± 29.6* a | 177.8 ± 2* a | ||
| Positive control | ||||||
| (12 H) | 0.047 ± 0.1 B | |||||
| (18 H) | 0.047 ± 0.1 b | |||||
| Negative control | ||||||
| (12 H) | No effect | |||||
| (18 h) | No effect | |||||
Means followed by the same uppercase letters in the same column illustrate no significant difference (P > 0.05) at 12 hours post treatment following comparison using Tukey test.
Means followed by same lowercase letters in the same column illustrate no significant difference at 18 hours post treatment.