Capillary electrophoresis characterization of the casein fraction of cheeses made from cows', ewes' and goats' milks.
- 1 May 2000
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of Dairy Research
- Vol. 67 (2) , 209-216
- https://doi.org/10.1017/s0022029900004167
Abstract
Casein fractions and their breakdown products in Iberico-type cheeses made from the milk of cows, ewes or goats were analysed by capillary electrophoresis in order to characterize them. The actions of plasmin and chymosin on caseins were evaluated by comparing the electropherograms of caseins from milk and from cheese, both with and without treatment with plasmin. Characteristic capillary electrophoresis patterns were obtained for cheeses made from the milk of each of the three species, and the main components were identified. Caprine para-kappa-casein and bovine beta-caseins, eluting at the first and at the last part of the electropherogram respectively, were found to be indicative of the presence of the milks of these species.Keywords
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