Tohoku University Technology: Analysis and visualization method for medium element: T20-487
Development and evaluation of food processing, preservation and transportation technologies by using single X-ray image obtained from NanoTerasu
Synchrotron radiation analysis (X-ray CT) using a single X-ray beam is a nondestructive analysis used in many fields such as food, medicine and chemical industry. In the food industry, it is used to improve taste and texture, as well as to develop preservation and transportation methods that maintain quality. This invention is about a method to analyze (evaluate) a sample based on the proof that the contrast of image appearing in X-ray CT image is due to the distribution and migration of medium element such as Na and Cl, which are contained in the sample and can easily affect the food product quality. The right figure shows an example of proving that the contrast on the X-ray CT image of a frozen and thawed pollock surimi gel (kamaboko) is due to the migration of the middle element by analyzing the linear absorption coefficient of each element. This invention and the CT image taken at the next-generation synchrotron radiation facility "NanoTerasu" which is scheduled to be operational in 2024 are expected to accelerate the development of processing, preservation and transportation technologies in the food industry, as well as the material analysis other than food product that contain medium element (mineral).
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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