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在法医和半固体食品分析中测量溶解氧气

Yoshiro Koda¹, Mikiko Soejima²

¹Department of Forensic Medicine, Kurume University School of Medicine, Kurume, 830- 0011, Japan. ykoda@med.kurume-u.ac.jp.

Scientific reports

|August 27, 2025

概括

由于溶解氧 (DO) 含量低,米索中的血迹可能会失去红色. 一个光学氧气传感器可以测量米索等发酵食品中的DO,帮助法医分析.

科学领域:

法医科学
食品科学
生物化学

背景情况:

在法医调查中, 血迹变色至关重要.
作为一种发酵食品,
食物矩阵中的溶解氧 (DO) 水平可以影响血红蛋白降解等化学反应.

研究的目的:

为了研究米索对血迹颜色的影响.
要确定米索中的低溶氧 (DO) 是否导致血污变色.
评估光学氧气传感器在米索中测量的实用性.

主要方法:

在米索和血污变色的文献中搜索DO水平.
使用光学氧气传感器分析新鲜准备和成熟的米索中的DO度.
在受控条件下观察米索的血斑颜色变化.

主要成果:

之前没有发现米索中DO含量会影响血迹的文献.
在232小时内,米索中的DO度下降到检测极限以下.
在新鲜和成熟的米索样本中,DO含量始终很低.

结论:

在米索的低DO可能会导致血迹变色.
光学氧气传感器是测量半固体发酵食品中的有效工具.
控制氧气水平对于保持食物质量和完整性至关重要.

关键词:

其他血的污点溶解氧气光学氧气传感器

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