The diastase activity degradation,s faster hours is in the air curing ～d,which,is a little lagger than starch content 淀粉酶活性降幅较快的时间在晾制的 ～ d ,比淀粉含量下降较快的时间稍有滞后 ,它的消长规律还与叶片含水率变化正相关 .