Table 2.
Proximate composition of gelatin from wild and farmed Nile tilapia.
| Sample | Component (% wet weight basis) | |||||
|---|---|---|---|---|---|---|
| Yield (%) | Protein (%) | Moisture (%) | Ash (%) | Fat (%) | pH | |
| DSFFG | 7.95 ± 0.07a | 91.00 ± 0.00c | 6.08 ± 0.22a | 2.05 ± 0.13b | 0.84 ± 0.08b | 5.25 ± 0.01c |
| RSFFG | 7.67 ± 0.03b | 93.90 ± 0.06a | 3.20 ± 0.00b | 1.19 ± 0.26b | 1.66 ± 0.16a | 5.56 ± 0.04b |
| DSWFG | 1.98 ± 0.03c | 94.05 ± 0.38a | 2.51 ± 0.01c | 1.46 ± 0.35b | 1.94 ± 0.05a | 5.58 ± 0.04b |
| RSWFG | 2.00 ± 0.01c | 92.03 ± 0.35b | 3.58 ± 0.12b | 3.18 ± 0.22a | 1.18 ± 0.07b | 9.18 ± 0.04a |
Values are presented as the means ± standard deviation of triplicate (n = 3). Superscript to means in the same column are significantly different p < 0.05. DSFFG: Dry season farmed fish gelatin extracted from the scale of Nile tilapia; RSFFG: Raining season farmed fish gelatin from Nile tilapia scale; DSWFG: Dry season wild fish gelatin of Nile tilapia scales; RSWFG: Raining season wild fish gelatin.