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Table 3 Characterization of the powdered tannin-based extracts (PTE) and Phenotan M® (IT)

From: Tannin-based extracts of Mimosa tenuiflora bark: features and prospecting as wood adhesives

Powder (Sample) TS MC SS IS CT NT
(%)
MT (8.30 g) 91.62 b ± 1.24 8.38 b ± 1.24 87.27 ± 2.28 12.78 ± 2.18 53.88 d ± 1.39 33.38 ± 1.98
MT + NaOH (6.50 g) 93.19 a ± 0.78 6.81 c ± 0.78 98.78 ± 0.58 1.40 ± 0.48 68.31 b ± 1.68 31.29 ± 0.99
MT + NaHSO3 (7.10 g) 92.01 ab ± 1.51 7.98 bc ± 1.51 97.16 ± 1.36 2.84 ± 1.36 63.49 c ± 1.84 34.79 ± 1.88
IT (6.00 g) 88.45 c ± 1.47 11.55 a ± 1.47 96.55 ± 1.58 3.63 ± 1.07 77.73 a ± 0.65 20.05 ± 0.73
F-ratio 17.21 17.21 282.28
p-value  < 0.0001  < 0.0001  < 0.0001
n 34 34 30 31 29 32
  1. Where: According to the Fisher-Snedecor test, averages (± standard deviations) followed by the same letter, in the same column, do not differ statistically from each
  2. TS total solids, MC moisture content, SS soluble solids, IS insoluble solids, CT condensed tannin, NT non-tannins