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See Chinese contents: GB 5009.154-2016 GB 5009.154-2016: National food safety standard -- Determination of vitamin B6 in foods
This Standard specifies methods of determining vitamin B6 in foods. In this Standard, Method I is high-performance liquid chromatography, which is applicable to the determination of foods that contain vitamin B6; Method II is microbial method, which is applicable to the determination of vitamin B6 in all kinds of food.
