醇化过程中上部烟叶芳香族氨基酸降解产物变化及其与感官品质的关系  

Changes of Aromatic Amino Acid Degradation Products in Upper Tobacco Leaves During Aging Process and Its Relationship with Sensory Quality

作　　者：王玉华[1] 姜振玲 崔志军[1] 刘中庆[1] 王微棕 高阳 孙玉军[1] 杜传印[1] WANG Yuhua;JIANG Zhenling;CUI Zhijun;LIU Zhongqing;WANG Weizong;GAO Yang;SUN Yujun;DU Chuanyin(Shandong Weifang Tobacco Co.,Ltd.,Weifang Shandong 261205;Fangzi District Agricultural and Rural Bureau of Weifang City,Weifang Shandong 261200)

机构地区：[1]山东潍坊烟草有限公司,山东潍坊261205 [2]潍坊市坊子区农业农村局,山东潍坊261200

出　　处：《现代农业科技》2022年第19期185-188,192,共5页Modern Agricultural Science and Technology

基　　金：中国烟草总公司山东省公司2018年度科技计划项目“提高上部烟叶工业可用性的关键技术研究”(鲁烟科〔2018〕10号);山东潍坊烟草有限公司2018年度科技计划项目“潍坊中棵烟生产技术集成示范与应用”(潍烟技〔2018〕4号)。

摘　　要：为探究芳香族氨基酸降解产物在烟叶醇化过程中的变化趋势,本研究对自然与人工2种醇化方式下烟叶进行跟踪取样,并对7种芳香族氨基酸降解产物进行了测定分析。结果表明,在2种醇化方式下,一定时间范围内随着醇化时间的延长该类物质总量逐渐增加,其中12~18个月是显著提升期。苯甲醛、苯酚、苯乙醇和苯乙醛4种化合物含量呈增加趋势;4-乙烯基-2-甲氧基苯酚含量在醇化过程中呈现降低趋势;苯甲醇和苯乙酮变化不明显。人工醇化条件下前6个月内总量显著增加47.25%,同时期自然醇化条件下总量增加29.39%;12~30个月期间,芳香族氨基酸降解产物总量在自然醇化条件下高于人工醇化,自然醇化条件下总量达到最大值时间较人工醇化提前12个月左右。自然醇化条件下,芳香族氨基酸降解产物总量与杂气、刺激性指标在0.01水平上成正相关,与总分指标在0.05水平上成正相关;人工醇化条件下,芳香族氨基酸降解产物总量与杂气、刺激性指标在0.05水平上成正相关。In order to explore the change trend of aromatic amino acid degradation products in the aging process of upper tobacco leaves,this study tracked and sampled tobacco leaves under natural aging and artificial aging,and detected and analyzed 7 aromatic amino acid degradation products.The results showed that under the two aging modes,the total amount of these substances gradually increased with the extension of aging time in a certain range,and significantly increased during the period of 12-18 months.The contents of benzaldehyde,phenol,phenylethanol and phenylacetaldehyde increased during the aging process;the content of 4-vinyl-2-methoxyphenol decreased during the aging process;the contents of benzyl alcohol and acetophenone changed little.Under the condition of artificial aging,the total amount increased signifi-cantly by 47.25%in the first 6 months;under the condition of natural aging,the total content increased by 29.39%.During the period of 12-30 months,the total amount of aromatic amino acid degradation products under natural aging was higher than that under artificial aging in the same period.The time when total amount reached the maximum under the condition of natural aging was about 12 months earlier than that under artificial aging condition.Under the condition of natural aging,the total amount of aromatic amino acid degradation products was positively correlated with miscellaneous gas and irritation index at the level of 0.01,and was positively correlated with the total score index at the level of 0.05;under the condition of artificial aging,the total amount of aromatic amino acid degradation products was positively correlated with miscellaneous gas and irritation index at the level of 0.05.

关 键 词：烤烟 上部叶 芳香族氨基酸降解产物 醇化 感官品质 

分 类 号：S572[农业科学—烟草工业]