水合性保润剂在膨胀梗丝及再造叶丝中的应用
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摘要
卷烟掺配品由于油份不足,一般保润性能都较差。针对膨胀梗丝和再造叶丝,开发了多种水合性保润剂,以不同的工艺添加方式进行添加,并对其感官进行评价。结果表明:①添加了草酸钾、磷酸二氢钠、磷酸二氢铵等保润剂的膨胀梗丝,在RH=30%的干燥条件下,其平衡含水率相比于空白对照大幅提高,失水量减少,失水速率显著降低,通过扫描电镜发现膨胀梗丝的孔道里填充有大量晶体,通过能谱仪分析其为钙盐。②添加了柠檬酸,草酸和苹果酸的再造叶丝在RH=30%条件下,平衡含水率均有一定程度的提高,其中柠檬酸和草酸的失水速率降低,表现出良好的保润性能。通过扫描电镜发现添加保润剂的再造叶丝表面布满了固体颗粒,通过能谱仪分析其为钙盐,从而带入了结晶水并增加了再造叶丝的比表面积,对保润具有较大的贡献。③感官评价方面,所开发的保润剂对烟丝吸味均无不良影响,且具有一定的改善作用。
The expanded cut stem and cut reconstituted tobacco have low quality of moisture retentivity due to lack of oil. Several hydrated humectants for expanded cut stem and cut reconstituted tobacco was prepared and added by appropriate way owing to different industry proceed. In addition, the sensory quality of cigarette was evaluated. The results showed that: 1)The expanded cut stem which added with potassium oxalate monohydrate, sodium dihydrogen phosphate and ammonium dihydrogen phosphate etc. performed excellent moisture rententivity under RH=30%, the final water contents of them have improved a lot. SEMs indicated that the pores of expanded cut stems were full of crystals which were testified to be calcium salts by Energy Dispersive Spectroscopy. 2) The moisture rententivity of cut reconstituted tobacco which added with citric acid, oxalic acid and malic acid performed well under RH=30%, their final water contents also have improved, Among all the humectants, citric acid and oxalic acid displayed well. SEMs indicated that there forms a lot of particles on the surface of reconstituted tobacco which contribute to improve the moisture retentivity. The crystals were indecated to be calcium salts by Energy Dispersive Spectroscopy which have crystalwater; 3) The humectants have no negative effects on the smoking quality of cigarettes; otherwise, they can improve the smoking quality.
引文
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