非优质烤烟烟叶外观质量与化学成分特征分析  

Analysis of Appearance Quality and Chemical Composition Characteristics of Non High Quality Tobacco Leaves

作　　者：张鑫[1] 徐玮杰 汪阳忠 陈斌[1] 杨凯[1] ZHANG Xin;XU Wei-jie;WANG Yang-zhong(Technology Center,Shanghai Tobacco Group Co.,Ltd.,Shanghai 201315)

机构地区：[1]上海烟草集团有限责任公司技术中心,上海201315

出　　处：《安徽农业科学》2024年第24期170-176,共7页Journal of Anhui Agricultural Sciences

基　　金：上海烟草集团有限责任公司科研项目(K2022-1-043P)。

摘　　要：[目的]归纳非优质烤烟烟叶的常见特征,为其品质改良提供参考。[方法]以8个地市产区各10个工业等级样品为研究对象,比较不同质量档次烟叶外观质量得分和化学成分含量情况,并分析指标间的相关性。[结果]非优质烟叶外观质量主要特征部位间表现不同,下部叶为油分少、身份薄、均匀度差,中部叶为油分少、均匀度差、有杂色,上部叶为身份厚、有杂色、均匀度差;化学成分主要特征部位间表现趋势相似,均为含氮化合物、类胡萝卜素、有机酸含量偏高,糖类化合物偏低,但下部烟叶差异程度更大。烟叶颜色深度、身份厚度、叶片结构紧密度主要与含氮化合物及部分中性致香成分含量呈正相关;烟叶油分、均匀度、杂色得分主要与糖类化合物含量呈正相关,与部分有机酸含量呈负相关;杂色得分与含氮化合物含量呈负相关。[结论]非优质烤烟烟叶外观质量相对特征3个部位的侧重指标有所不同,化学成分差异有共性规律并与外观指标存在较强相关性。[Objective]To summarize the common characteristics of non high quality flue-cured tobacco leaves to provide reference for quality improvement.[Method]Taking 10 industrial grade samples of tobacco leaves from each of 8 municipal producing areas as the research objects,the differences in appearance quality scores and chemical composition contents of different grades were compared,and the correlation between indexes was analyzed.[Result]Non high quality tobacco leaves showed different characteristics in different parts of appearance quality,with less oil,thinner body,and poor uniformity in lugs;less oil,poor uniformity,and variegated in cutters;and thicker body,variegated,and poor uniformity in leaf.The trend of chemical composition characteristics was similar among different parts,with higher content of nitrogenous compounds,pigments,and organic acids,lower content of sugar compounds,but the differences were greater in lower leaves.The depth of leaf color,thickness of body and tightness of leaf structure were mainly positively correlated with the content of nitrogen compounds and some neutral aroma components;oil content,uniformity and variegated score were mainly positively correlated with the content of sugar compounds,and negatively correlated with some organic acid content;color score was also negatively correlated with the content of nitrogen compounds.[Conclusion]The emphasis indexes of the relative characteristics of the appearance quality of non high quality tobacco leaves vary in three different parts,and there are common rules in the chemical composition differences,which are strongly correlated with appearance indexes.

关 键 词：非优质烟叶 外观质量 化学成分 质量特征 相关性 

分 类 号：TS411[农业科学—烟草工业]