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The detection of added whey powder in milk powder ii. the influence of residual amounts of lactose on the determination of whey powder in milk powder by means of the free sialic acid method



The detection of added whey powder in milk powder ii. the influence of residual amounts of lactose on the determination of whey powder in milk powder by means of the free sialic acid method



South African Journal of Dairy Science 18(3): 99-103



The influence of lactose on the sialic acid method for the detection of added whey powder in milk powder has been investigated. Residual lactose present in the final washed and hydrolysed sample caused an apparent increase in the sialic acid content of the sample. The addition of 50 to 1,000 micrograms of lactose to a "lactose free" sample resulted respectively in a 2,7 to 16 per cent higher sialic acid value than the lactose-free samples.

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Accession: 006625381

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