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research
Some Microbial Grow to Influence the Nitrogen Content in the Aging Process of Tobacco
Authors
史琤
李觅
+3 more
苏罗毅
赵劲平
飞旭云
Publication date
1 January 2014
Publisher
Abstract
烟草在加工成卷烟之前的复烤后的储藏、发酵和陈化过程统称醇化过程。分析醇化过程中生物碱及氮含量的变化,为有效防控微生物生长提供依据。实验方法 1.总生物碱的测定:YC/T 160-2002中国烟草及烟草制品总生物碱的测定连续流动法2.氮含量的测定:YC/T161-2002中国烟草及烟草制品总氮的测定连续流动法实验结果取8个正常烟叶样品作对照,霉变烟叶与正常烟叶比较值:实验显示微生物生长导致烟叶中生物碱含量降低,而总氮含量上升,生物碱降低的百分比基本上与总氮上升的百分比近似。证明烟叶中的部分微生物是以通过降解生物碱,吸收生物碱中的碳、氢、氧,释放氮元素为代谢途径的
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Last time updated on 29/11/2016