Combined GC and sniffing port analysis of volatile compounds in rubber rings mounted on beer bottles.
Combined GC and sniffing port analysis of volatile compounds in rubber rings mounted on beer bottles.
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DOI：
10.1080/02652039809374601
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发表时间：
1998
期刊：
影响因子：
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通讯作者：
J. Linssen;L. Rijnen;A. Legger-Huiysman;J. Roozen
中科院分区：
文献类型：
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作者：
J. Linssen;L. Rijnen;A. Legger-Huiysman;J. Roozen
出于产品开发的原因，研究了两种类型（A和B）的橡胶环，用于摆顶啤酒瓶的卡扣，以检测挥发性化合物的存在，这些化合物可能会由于（气相）迁移而影响包装啤酒的味道/气味。样品在不同条件下孵育，动态顶空取样后，采用气相色谱和嗅口分析相结合的方法进行分析。并用GC-MS对化合物进行了鉴定。主要的区别在于A型环中存在异丁烯异构体，而b型环中不存在。这些化合物主要被描述为“玩具”和“橡胶”。因此，使用环型B有望降低异味发展的风险。
For product development reasons two types (A and B) of rubber rings, used on clasps of swing top beer bottles, were investigated for the presence of volatile compounds, which could affect the taste/odour of the packed beer due to (vapour phase) migration. Samples were incubated under different conditions and, after dynamic headspace sampling, analysed by combined GC and sniffing port analysis. Compounds were also identified by GC-MS. The main differences were located in the presence of isobutene isomers in Ring Type A, which were absent in Ring Type B. These compounds were described mainly as 'toy-like' and 'rubber'. Therefore the risk for off-flavour development is expected to be diminished by using Ring Type B.