对中部和上部不同成熟度河南烤烟烟叶中的多种重要中性香味成分和常规成分进行了分析研究。
Some important neutral flavor constituents and routine constituents of Henan flue-cured tobacco leaves from different mature and different stalk position were analyzed.
发现了香气成分中部分醇类、酯类、醛类和酸类各自特殊的变化过程和变化趋势。
The results indicated that the change process and the change trend of alcohol, acid, aldehyde and ester compounds were different.
白酒呈弱酸性，当用玻璃瓶装酒时，酒体会与酒瓶中部分成分发生反应，使微量的酒瓶组分溶入白酒。
The chemical reaction of liquor body and some compositions of bottles (because liquor presents subacidity) would dissolve minute quantity of bottle compositions in liquor during bottle filling.
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