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爱与雨下(金币+1): ~！ 2011-08-28 05:19:42
wuzetian(金币+5, 翻译EPI+1): 2011-08-31 12:20:26
wuzetian(金币+45): 2011-08-31 21:50:42
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The protein extracted from the tea-leaf was obtained by alkaline extraction and acid precipitation, which optimized the extraction process, and the protein from the tea-leaf after zymohydrolysis was added to pig’s basal diet as feed additive. The results showed that the best process of the protein extraction from tea-leaf was with 0.12mol/L NaOH concentration, 90 ℃ extraction temperature, 1.5h extraction time, 30:1 (w / v) liquid feed ratio, and the optimum precipitation was pH 3.5, and the extraction of tea-leaf protein was 75.47% under these conditions. The flavor protease enzyme was used to zymohydrolyze the tea-leaf protein, the hydrolysate of which could highly increase the pig’s productivity, improve its immune capacity and raise the activity of digestive enzymes.in pancreas and duodenum. |
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