Study on photolysis of Vitamin B12 and New Method to Determine the Contents of Vitamin B12 in Fermentation Broth

China Biotechnology

技术与方法

Study on photolysis of Vitamin B12 and New Method to Determine the Contents of Vitamin B12 in Fermentation Broth

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Abstract The photolysis of deoxyadenosylcobalmin and methylcobalamin in water was studied. The results showed that the speed of photolytic cleavage is related to photolytic energy.The more photolytic energy ,the more photolytic speed. The content of hydroxycobalamin, which is the photolytic product of dexyadenosylcobalmin, is according to the contents of vitamin B12 in ferment broth. An new method measures the contents of vitamin B12 in fermentation broth is established.

Key words：光解 Propionibacterium freudenreichii Vitamin B12 Hydroxycobalamin

Received: 22 November 2005 Published: 25 April 2006

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. Study on photolysis of Vitamin B12 and New Method to Determine the Contents of Vitamin B12 in Fermentation Broth. China Biotechnology, 2006, 26(04): 81-85.

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https://manu60.magtech.com.cn/biotech/ OR https://manu60.magtech.com.cn/biotech/Y2006/V26/I04/81

[1]	DU Wei, XU Guo-xia, WANG Zi-qiang, WANG Yun-shan, ZHANG Li-ping, SU Zhi-guo. *Production of Vitamin B₁₂ by Propionibacterium freudenreichii* Ex-situ Cell Transformation**[J]. China Biotechnology, 2016, 36(4): 104-109.

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