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Title: Efeito do extrato de Cynara cardunculus L. na degradação, hidrólise e perfil de caseínas do Queijo Serpa
Authors: Garrido, Ana
Silva, Flavio
Pinheiro, Cristina
Alvarenga, Nuno
Dias, João
Lage, Patricia
Martins, Pedro
Gomes, Sandra
Duarte, Fátima
Editors: Associação Portuguesa de Engenharia Zootécnica (APEZ) Apartado 60, 5001 909 Vila Real
Keywords: Cynara cardunculus L
Queijo Serpa
proteolytic index.
Issue Date: 19-Sep-2019
Publisher: Associação Portuguesa de Engenharia Zootécnica (APEZ)
Citation: 4) Garrido, A., Silva, F., Pinheiro, C., Alvarenga, B., Dias, J., Lage, P., Martins, A., Gomes, S. & Duarte, F. (2019). Efeito do extrato de Cynara cardunculus L. na degradação, hidrólise e perfil de caseínas do Queijo Serpa. Revista Portuguesa de Zootecnia: Edição especial XXI ZOOTEC – 21º Congresso Nacional de Zootecnia. Ano IV, nº2: 72-78.
Abstract: CYNARA CARDUNCULUS. L AQUEOUS EXTRACT EFFECT ON DEGRADATION, HYDROLYSIS AND CASEIN PROFILE OF SERPA CHEESE ABSTRACT: The effect of Cynara cardunculus L. aqueous extracts (C1, C2, C3) was studied on Serpa PDO cheese proteolysis, during maturation (D1, D14, D35). Proteolysis was assessed by polyacrylamide gel electrophoresis with urea and by Kjeldahl methods. A casein profile pattern was found, and results showed a higher αs-CN degradation than β-CN. Results (R2≥80%) showed, that a linear regression model can be used to predict the degradation product of αs-CN, the pre-αs-CN during more ripening phases. Casein hydrolysis was found to be more extensive in cheeses made using Cynara cardunculus L., which was confirmed by the higher levels of IEP during maturation on these cheeses. On the other hand, the degree of proteolysis in terms of IPP was similar in cheese produced using vegetable or animal coagulant. The evaluation of Queijo Serpa proteolysis and the deduction, through a LRM, of the αs-CN degradation products can be a way to add some value to the use of Cynara cardunculus L. in cheesemaking and to a socioeconomic valorization. Keywords: Cynara cardunculus L; Queijo Serpa; caseins; proteolytic index.
Type: article
Appears in Collections:MED - Publicações - Artigos em Revistas Nacionais Com Arbitragem Científica

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