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Official Journal of the Japan Wood Research Society

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Table 1 Yields of acacia bark extracts containing condensed tannin

From: Structural elucidation of condensed tannin from the bark waste of Acacia crassicarpa plantation wood in Indonesia

  Acacia crassicarpa (%) Acacia mearnsii (%)
70% acetone aqueous extracts 7.0 34
Ethyl acetate-soluble fraction 0.8 12
Water-soluble fraction 6.2 22