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Table 1 Enzymatic tannin removal from wheat straw at different concentration of tannase

From: Treatment of wheat straw using tannase and white-rot fungus to improve feed utilization by ruminants

Tannase concentration Tannase activity, IU Remaining tannin, g/100 g WS Tannin degradation, % Gallic acid produced, g/100 g WS
Raw wheat straw (control) 0.0 ± 0.00 3.60 ± 0.05 (100%) 0.0 ± 0.00 0.0 ± 0.00
WS + tannase (0.1%) 423 ± 11.6 1.80 ± 0.04 (50.3%) 49.7 ± 0.99 1.5 ± 0.03
WS + tannase (0.2%) 846 ± 27.5 1.02 ± 0.01 (28.3%) 71.7 ± 1.79 2.2 ± 0.06
WS + tannase (0.3%) 1269 ± 47.6 0.33 ± 0.002 (8.9%) 91.1 ± 2.7 2.8 ± 0.09
  1. WS = wheat straw.