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

Total phenolic content relative to tannic acid.