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3Â¥2012-04-27 08:30:55
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shinepolaris

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2Â¥2012-04-26 22:28:43
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zhongyuxian

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3Â¥: Originally posted by qiaqia832 at 2012-04-27 08:30:55:
¶¼»á½µµÍø»îÐԵģ¬ÄãÊÇÑо¿Ã¸µÄÌØÐÔ»¹Êǵ¥´¿¶Û»¯PPOÄØ£¬±ûͪҲÓÃÀ´ÌáÈ¡PPO£¬ÒÒ´¼Å¨¶È¸ß»áÒÖÖÆÃ¸»îÐÔ

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4Â¥2012-04-27 17:18:23
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qiaqia832

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4Â¥: Originally posted by zhongyuxian at 2012-04-27 17:18:23:
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PPO activity decreased as the ethanol concentration was in-creased. At an ethanol concentration of 10%, the enzyme lost 30% of its activity, at a 20% ethanol concentration, the loss in activity of PPO was almost 90% and at a concentration of 30% ethanol, the enzyme activity was completely inhibited. A decrease in enzy-matic activity in the presence of ethanol has previously been re-ported for bromelain (total inhibition at 50% ethanol) ( Hasan, Rasheedi, & Khatun, 2003 ).

[ Last edited by qiaqia832 on 2012-4-27 at 20:04 ]
5Â¥2012-04-27 20:03:12
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