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首页> 外文期刊>Acta Horticulturae >Modeling ovoproduct spoilage with red LED light.
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Modeling ovoproduct spoilage with red LED light.

机译：用红色LED灯模拟ovoproduct损坏。

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Heat-treatment of ovoproducts is often required to ensure microbial safety. However, it has been shown that in most microbial species slow heating, or heat shocks may induce a higher heat resistance, that means that it is not possible to remove the microbial flora completely. These microorganisms produce on ovoproducts spoilage especially when the cold chain is broken along the transportation and/or storage. As a result, the life span for the product is shortened. The microbial activity inside the product causes changes in several physical properties, which can be supervised using optical methods. The aim of this work is to monitor the sigmoid behaviour underlying the ovoproduct evolution and spoilage by means of red LED light. For two commercial types of liquid and pasteurized egg white, storage at 9 degrees C, an average correlation of r=0.94 has been found between microorganism growth and mean grey level of LED light passing though the sample. The results show that it is possible to develop very simple predictive models taking into account only one optical parameter corresponding to a single LED.
机译：通常需要对卵产物进行热处理以确保微生物安全。然而，已经表明，在大多数微生物物种中，缓慢加热或热冲击可能引起更高的耐热性，这意味着不可能完全去除微生物菌群。这些微生物在卵产物变质时产生，特别是当冷链在运输和/或储存过程中断裂时。结果，缩短了产品的寿命。产品内部的微生物活动会导致多种物理性质发生变化，可以使用光学方法进行监督。这项工作的目的是通过红色LED灯监视卵类产物演变和变质背后的S形行为。对于两种商品类型的液体和巴氏杀菌蛋清，它们都存储在9摄氏度下，在微生物生长和穿过样品的LED光的平均灰度之间发现r = 0.94的平均相关性。结果表明，仅考虑对应于单个LED的一个光学参数，就可以开发出非常简单的预测模型。

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