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tihommey

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tihommey(金币+18, 翻译EPI+1): 3Q 2011-03-05 15:20:00
Because Gram-positive bacteria and Gram-negative bacteria have structure differences in their cell walls ,antibacterial effect of the X on the Gram-positive bacteria such as Staphylococcus aureus  is obvious, while  on the Gram-negative bacteria there was none of the  effect.
Body temperature of humans and pigs are both  38 ℃ or so. Compared to the optimum temperature of X, Y's  optimal temperature is closer to the  body temperature of pigs and humans. In addition, the internal  acidic environment in the human body makes  the Y other than X suitable for use as food and feed additives.
3楼2011-03-04 19:34:24
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Enzyme X,  extracted from the egg white of chickens,is a class of lysozyme that human beings have been able to produce in an industrial scale.It has been widely used in food, medicine, research, etc.
2楼2011-03-04 19:25:21
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