Use of chitosan for selective removal of beta-lactoglobulin from whey.
J Dairy Sci
; 89(5): 1384-9, 2006 May.
Article
em En
| MEDLINE
| ID: mdl-16606709
ABSTRACT
A method is described for selective removal of undenatured beta-lactoglobulin from cheese whey based on interactions between whey proteins and chitosan. Whey was previously clarified at pH 4.5 with addition of chitosan (25 mg/100 mL), and selective removal of beta-lactoglobulin was studied in the pH interval 4.6 to 6.5. Addition of chitosan caused selective precipitation of beta-lactoglobulin that increased with pH. The content of beta-lactoglobulin in whey decreased as the amount of chitosan added was increased. At pH 6.2, addition of 1.9 to 3.0 mg/mL of chitosan led to complete removal of beta-lactoglobulin, whereas at least 80% of the rest of whey proteins remained in solution. The production of cheese whey without beta-lactoglobulin could help to expand the applications of dairy by-products in food processing, and to isolate hypoallergenic whey protein concentrates.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Queijo
/
Quitosana
/
Lactoglobulinas
/
Proteínas do Leite
Idioma:
En
Revista:
J Dairy Sci
Ano de publicação:
2006
Tipo de documento:
Article
País de afiliação:
Espanha