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Advances in Chemistry
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2014
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Article
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Tab 1
Research Article
Determination of Tannins of Three Common
Acacia
Species of Sudan
Table 1
Absorbance of solution of
Acacia
species parts before precipitation of tannins with hydrated-hide powder (at 725 nm).
Species
Plant part
Absorbance
I
II
Average value
Acacia nilotica
Leaves
0.251
0.255
0.253
Acacia seyal
Leaves
0.128
0.126
0.127
Acacia nilotica
Bark
0.205
0.202
0.203
Acacia seyal
Bark
0.232
0.232
0.232
Acacia senegal
Bark
0.081
0.081
0.081
Acacia nilotica
Mature fruits
0.461
0.463
0.462
Acacia nilotica
Immature fruits
0.439
0.444
0.442