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作 者:赖燕华[1] 陈翠玲[1] 陶红[1] 王予[1] 汪军霞[1] 周瑢[1] LAI Yanhua;CHEN Cuiling;TAO Hong;WANG Yu;WANG Junxia;ZHOU Rong(Technology Center,China Tobacco Guangdong Industrial Co.,Ltd.,Guangzhou 510385,China)
机构地区:[1]广东中烟工业有限责任公司技术中心,广州市510385
出 处:《烟草科技》2020年第8期50-58,共9页Tobacco Science & Technology
基 金:广东中烟工业有限责任公司资助项目“烟草游离氨基酸的分析新方法研究”(粤烟工[2019]科字第32号),“‘双喜’品牌产品烘丝工序对烟草化学成分影响规律研究”(粤烟工[2016]科字第9号)。
摘 要:为研究卷烟制丝工艺中关键工序烟丝游离氨基酸的变化规律,在SIROX增温增湿和滚筒烘丝两个关键工序间进行在线取样,测定了3个批次9个样品中的氨基酸含量(质量分数),并比较了3个工序点烟丝游离氨基酸含量变化趋势。结果表明,加工前后烟丝的氨基酸含量和组成均发生了明显变化。方差分析显示,烟丝经过SIROX增温增湿工序处理,其丙氨酸、甘氨酸、缬氨酸、亮氨酸、丝氨酸和苏氨酸6种氨基酸含量显著增加(P<0.05),增加幅度3.9%~8.3%;而经过滚筒烘丝处理后,烟丝缬氨酸、亮氨酸、丝氨酸、苯丙氨酸和谷氨酸5种氨基酸含量显著降低(P<0.05),降低幅度介于1.7%~3.0%。主成分分析表明,根据9个样品游离氨基酸的分布情况,同一工序点的烟丝可聚为一类,不同工序点的烟丝能够较好地区分开。In order to study the variations of free amino acids in cut tobacco during primary processing,online sampling was conducted during SIROX heating and humidifying process and cylinder drying process.The amino acid contents(mass fraction)in three batches of nine cut tobacco samples were determined.Variations of free amino acids in cut tobacco from three process points were compared.The results showed that the contents and constitution of amino acids in cut tobacco changed significantly after processing.The analysis of variance indicated that the contents of alanine,glycine,valine,leucine,serine and threonine increased from 3.9%to 8.3%after SIROX heating and humidifying.On the other hand,the contents of valine,leucine,serine,phenylalanine and glutamic acid in cut tobacco significantly(P<0.05)decreased from 1.7%to 3.0%.Principal component analysis suggested that based on the distribution of free amino acids in the nine samples,the cut tobacco from the same process point could be grouped into one category and their properties were well distinguished.
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