随着氮素营养水平的提高，由苯丙氨酸、类胡萝卜素和西柏三烯降解转化形成的香气成分含量增加。
With the increase of N nutrition, the contents of components which degradeted from phenylalanine, carotenoid, duvatriene increased.
根据不同材料提取物及几种纯物质溶液的抑菌特点，推测西柏三烯二醇可能是烟叶提取物中主要的抑菌活性物质。
According to the antifungal characteristics of different extracts of tobacco and several pure substances, it was speculated that cembranoids were the main antifungal substance.
根据不同材料提取物及几种纯物质溶液的抑菌特点，推测西柏三烯二醇可能是烟叶提取物中主要的抑菌活性物质。
According to the antifungal characteristics of different extracts of tobacco and several pure substances, it was speculated that cembranoids were the main antifungal substance.
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