Definition of lactalbumin in English:


Pronunciation /ˌlaktalˈbyo͞omən/ /ˌlæktælˈbjumən/

See synonyms for lactalbumin


  • A protein or mixture of similar proteins occurring in milk, obtained after the removal of casein and soluble in a salt solution.

    ‘Products containing lactic acid, lactalbumin, lactate and casein do not contain lactose.’
    • ‘WPC contains biological compounds, like lactoferrin, alpha lactalbumin, immunoglobins and beta lactoglobins, affecting everything from your immune system to nitrogen balance to fat loss.’
    • ‘Antibodies to the principal cow's milk proteins were analyzed, including casein, [alpha] lactalbumin, and [beta] lactoglobulin.’
    • ‘The active site of peptidoglycan lysis is disrupted in lactalbumin.’
    • ‘Popov and Poo measured the diffusion of fluorescently labeled lactalbumin, ovalbumin, and bovine serum albumin in neurites of growing Xenopus neurons after protein microinjection into the soma.’


Late 19th century from lacto- ‘of milk’+ albumin.