The enzymic cryoscopic estimation of lactose: validation and application to Australian UHT [ultra high temperature] milks. Technical article
1990
Mittal, S.B. | Hourigan, J.A. | Newell, G. (Western Sydney Univ. - Hawkesbury (Australia))
Compared in trials with the Lane and Eynon and Boeringer-Mannheim methods, the cryoscopic method was the most precise, had the best recovery (99 percent) and was the only method which did not require prior clarification of proteins. A regression equation with a correlation coefficient of 0.997 was derived for calculation of lactose content. Application of the method to 15 samples of UHT whole milk from 4 Australian manufacturers revealed a mean content of lactose monohydrate of 4.62 percent.
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