不同干燥强度对香料烟叶丝质量的影响
Effect of different drying intensity on the quality of cut oriental tobacco
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摘要: 以国内配方香料烟叶组为原料,在5个不同干燥强度下制成香料烟叶丝样品,考查叶丝干燥强度对香料烟叶丝致香成分、感官品质和物理指标的影响。结果表明:随着干燥强度的提高,挥发性有机酸总量、非挥发性有机酸总量均呈现下降趋势,挥发性有机酸总量下降幅度超过50%;中性致香成分中美拉德反应产物总量呈增加趋势,最高增幅达56%,新植二烯含量呈现下降趋势,下降幅度达40%,中性致香成分总量呈先增加后降低的趋势,以中等干燥强度含量最高。干燥强度越低,香料烟香气特征越明显,但整体感官品质以较低、中等干燥强度为优。干燥强度的提高有利于提高叶丝填充能力,但会增加叶丝的造碎程度。综上所述,在香料烟制丝加工的生产实践中,干燥工序以较低和中等干燥强度为宜。Abstract: In order to investigate the effect of drying intensity on aroma components, sensory quality and physical index of oriental tobacco, the samples of cut oriental tobacco were made from domestic blended tobacco leaves under five different drying intensities. The results were showed as follows: with the increasing of drying intensity, the total amount of volatile organic acids and nonvolatile organic acids declined, especially, the total amount of volatile organic acids decreased by more than 50%. The total amount of Maillard reaction products in neutral aroma compounds increased by 56%, while the content of neophytadiene decreased by 40%. The total amount of neutral aroma components increased at first and then decreased, which got the highest content in medium drying intensity. Reducing drying intensity is beneficial to highlighting the characteristic aroma of oriental tobacco, however, the best overall sensory quality was gotten under lower and medium drying intensity. The increase of drying intensity was beneficial to improving the filling ability of the cut tobacco, but it would also increase the crushing degree of the cut tobacco. In conclusion, lower and medium drying intensity was suitable for the drying of oriental tobacco.
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Key words:
- oriental tobacco /
- quality of tobacco shred /
- drying intensity /
- aroma component /
- sensory quality /
- physical index
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