西南烟区烤烟pH分布特点及与感官品质的关系  

The pH Distribution of Flue-cured Tobacco Leaves in Southwest China and its Relationship with Sensory Quality

作　　者：邵惠芳[1] 郑聪[1] 许自成[1] 李东亮 秦璐[1] 孙树林[1] 周恒[1] 

机构地区：[1]河南农业大学烟草学院,郑州450002 [2]川渝中烟工业有限公司,成都610000

出　　处：《中国烟草科学》2010年第3期18-22,32,共6页Chinese Tobacco Science

基　　金：川渝中烟工业有限公司科技攻关项目(CYZY200701)

摘　　要：以西南烟区2002—2005年的208份烤烟样品为材料,分析pH在不同部位、不同年份、不同产区间的变异特点,并对烤烟pH与感官品质进行了回归分析。结果表明,西南烟区烤烟pH主要集中在4.6～5.2范围内,平均为(4.90±0.16),变异系数为3.35%;pH在部位、年份和产区间均存在显著差异。当烤烟pH在4.5～5.5范围内,pH与香气质、余味、杂气、刺激性、燃烧性和评吸总分均存在显著的回归关系,而与香气量、劲头、浓度和灰色的回归关系则未达到显著水平。We used 208 of flue-cured tobacco leaf samples from Southwest China in 2002-2005 to study the distribution of pH in flue-cured tobacco leaves among different leaf positions,harvest years and tobacco growth regions,and analyze the relationship by regression between pH and sensory quality.The results showed that leaf pH in southwest China ranged between 4.6 and 5.2,with the mean of 4.90,standard deviation of 0.16 and variation coefficient of 3.35%.The leaf pH had significant difference among different leaf positions,harvest years and tobacco growth regions.When pH changed from 4.5 to 5.5,there were significant regression relationships between pH and quality of aroma,after taste,offensive taste,biting taste,combustibility as well as total score,but the regression relationships between pH and volume of aroma,strength,density as well as ash were not significant at 5% level.

关 键 词：烤烟 PH 感官品质 关系分析 

分 类 号：S572[农业科学—烟草工业]