Research Article
Determination of Tannins of Three Common Acacia Species of Sudan
Table 3
Tannins percentage of Acacia species parts.
| Species | Plant part | % Phenolics before precipitation | % Phenolics after precipitation | % Tannins (hide-powder) |
| Acacia nilotica | Leaves | 14.00 | 2.20 | 11.80 | Acacia seyal | Leaves | 7.00 | 0.69 | 6.31 | Acacia nilotica | Bark | 11.00 | 0.53 | 10.47 | Acacia seyal | Bark | 12.75 | 0.60 | 12.15 | Acacia senegal | Bark | 4.25 | 0.76 | 3.49 | Acacia nilotica | Mature fruits | 24.75 | 2.60 | 22.15 | Acacia nilotica | Immature fruits | 24.50 | 2.40 | 22.10 |
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Total phenolic content relative to tannic acid.
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