Method for rapidly separating and determining water-soluble B-vitamins in infant food and dairy products
A technology for infant food and B vitamins, applied in the direction of material separation, measuring devices, and analysis of materials, can solve the problems of cumbersome steps, increase labor costs, and occupying experimental time, etc., and achieve wide linear range, good linearity, and reduced analysis the effect of time
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[0030] The present invention will be described in further detail below through specific examples. The following examples are only descriptive and not restrictive, and the protection scope of the present invention cannot be limited by this.
[0031] A method for rapid separation and determination of water-soluble B vitamins in foods for infants and young children and dairy products, characterized in that the method includes the following steps:
[0032] 1) Preparation of standard working fluid:
[0033] Weigh appropriate amount of vitamin B1, vitamin B2, vitamin B3, vitamin B5, vitamin B6, vitamin B9, vitamin B12 standard products, put them in a brown volumetric flask, dilute pure water to 100 mL, and store in the refrigerator. The linear range of each standard product is as follows :
[0034] Table 1 Standard solution concentration range
[0035] project Linear range (μg / L) Vitamin B 1
[0036] Prepared into standard working fluid; ultrapure water meets the requirements of first-gra...
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