Polipeptídeos e proteínas com influência na qualidade da espuma da cerveja e métodos analíticos utilizados no seu estudo



Document title: Polipeptídeos e proteínas com influência na qualidade da espuma da cerveja e métodos analíticos utilizados no seu estudo
Journal: Quimica nova
Database: PERIÓDICA
System number: 000313237
ISSN: 0100-4042
Authors: 1
2
Institutions: 1Rede de Quimica e Tecnologia, Servico de Bioquimica, Porto. Portugal
2Universidade do Porto, Faculdade de Farmacia, Porto. Portugal
Year:
Season: Nov
Volumen: 29
Number: 6
Pages: 1326-1331
Country: Brasil
Language: Portugués
Document type: Artículo
Approach: Experimental, aplicado
English abstract A review of polypeptides and proteins that influence, direct or indirectly, beer foam quality, as well as the most relevant analytical methods used in their study, are presented. Protein Z, LTP1 and hordein/glutelin fragments originated from malt have a direct influence on beer foam quality. Other proteins, like malt hordeins and albumins and wheat puroindolines, are, to some degree, also important for beer foam quality. Protein hydrophobicity is pointed out as a key parameter to enhance foam quality. Electrophoretic, chromatographic and immunological analytical methods are currently used to study polypeptides and proteins present in barley, malt, wort, beer, and foam. Best results are obtained when combinations of these methods are applied
Disciplines: Química
Keyword: Química de alimentos,
Cerveza,
Espuma,
Polipéptidos,
Proteínas,
Métodos analíticos
Keyword: Chemistry,
Food chemistry,
Beer,
Foam,
Polypeptides,
Proteins,
Analytical methods
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