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One gram of konjac powder was added to 50ml 0.05 M Na2HPO4¨Ccitric acid buffer and then mixed with neutral ?-mannanase (E/S ranging from 0.01 to 0.7,w/w) to start the reaction.The mixture was incubated at pH 2.0¨C10 for reaction times rang-ing from 0 to 7 h, while the temperature of the water bath was kept steady at a given temperature (reaction temperature ranged from 20 to 80◦C). The reaction was stopped by boiling the sam-ples for 15 min and then the samples were centrifuged at 6000 rpm(2535¡Á g). The supernatant was then tested for DRS and TRS and the DP was calculated.Õâ¸öÖмäµÄ¼ÓÈëÁ×ËáÇâ¶þÄÆÄûÃÊËỺ³åÈÜÒºµÄÄ¿µÄÊÇʲô£¿ |
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