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[Analysis Case] Quantitative Analysis of Vitamin B1 and Vitamin B2

Testing of content using HPLC method with fluorescence detector (official method)

Foods such as pork and eggs are rich in vitamin B1 (thiamine, HET) and vitamin B2 (riboflavin). These are often present as derivatives such as phosphate esters. The content of vitamin B1 and vitamin B2 can be quantified by performing enzymatic treatment as a pretreatment to convert them to their free forms, followed by analysis using HPLC with a fluorescence detector. Although vitamin B1 itself is not fluorescent, it is possible to detect fluorescence by reacting it with a red blood salt alkaline solution in a post-column method, converting it to the oxidized form of thiocrome.

• Company：一般財団法人材料科学技術振興財団　MST
• Price：Other

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