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  • 您现在的位置:首页> 外文会议>Conference on Advanced Environmental, Chemical and Biological Sensing Technologies; 20070910-11; Boston,MA(US) >亿博帐号注册详情

    【24h】 A smart cap for olive oil rancidity detection using optochemical sensors

    机译使用光化学传感器检测橄榄油酸败的智能盖

    【摘要】The design and experimental setup of a smart cap are presented. It is capable of sniffing the vapors of extra virgin olive oil, thus alerting the consumer or the retailer of any rancid flavor. The cap is made of an array of metalloporphyrin-based optochemical sensors, the colors of which are modulated by the concentration of aldehydes, the main responsible for rancid off-flavors. A micro-optic device, implemented to simulate a cap prototype, is presented. The spectral response of the chromophore-array is processed by means of multivariate data analysis so as to achieve an artificial olfactory perception of oil aroma and, consequently, an indication of oil ageing and rancidity. In practice, the cap prototype proved to be a device for non-destructive testing of bottled oil quality.

    【摘要机译】介绍了智能帽的设计和实验设置。它能够嗅出特级初榨橄榄油的蒸气,从而提醒消费者或零售商任何腐烂的味道。瓶盖由一系列基于金属卟啉的光化学传感器制成,其颜色由醛的浓度调节,而醛的浓度主要是造成臭味的原因。提出了一种用于模拟瓶盖原型的微光学装置。通过多变量数据分析来处理发色团阵列的光谱响应,从而获得对油香气的人工嗅觉,从而指示出油的老化和酸败。在实践中,瓶盖原型被证明是用于瓶装油质量的无损检测的设备。

    【原文格式】PDF

    机译 光化学传感器;金属卟啉;橄榄油;食品质量;包装;光谱学;
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