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《Journal of Henan Agricultural University》 2015-06
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Relationship between tobacco oil and quality indicators of flue-cured tobacco leaves in Qujing tobacco-growing area

XIE Lili;LU Xiuping;XIE Yan;ZHANG Kai;XU Zicheng;College of Tobacco Science,Henan Agricultural University;Yunnan Academy of Tobacco Agricultural Sciences;Qujing Branch of Yunnan Province Tobacco Company;  
Relationship between tobacco oil and quality indicators was studied with 2 541 flue-cured tobacco samples in Qujing tobacco-growing area as materials. The results showed that Qujing tobacco oil scored an average of 5. 7,with the variation coefficient of 26. 7%. The proportion of tobacco leaf with the grade of "rich"and "oily"was 57. 93%,while that of "less oily"was 41. 24%. Tobacco oil had extremely significantly positive correlation with identity and color intensity,and significant positive correlation with leaf color. The maturity score increased with the increasing oil till its peak and then reduced. The stem ratio significantly reduced and the leaf density significantly increased with increasing oil. With the increase of tobacco of oil,the content of starch,total sugar and nicotine gradually increased,while the chlorine content gradually decreased. The scores of aroma quality,aroma amount,offensive odor,irritancy and aftertaste improved with increasing of the oil.
【Fund】: 中国烟草总公司云南省分公司科技攻关项目(2011YN02 06A05)
【CateGory Index】: S572
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