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Perfil de minerais e elementos vestigiais em néctares e sumos de fruta: uma con...

Sardinha, Dina; Gueifão, Sandra; Nascimento, Ana Cláudia; Castanheira, Isabel


Proximate and Mineral profile of Quinoa (Chenopodium quinoa), and kiwicha (Amar...

Coelho, Inês; Gueifão, Sandra; Nascimento, Ana Cláudia; Lobo, Manuel; Gimenez, Gimenez; Samman, Norma; Castanheira, Isabel

Quinoa (Chenopodium quinoa), and kiwicha (Amaranthus caudatus) are pseudo-cereals largely consumed in North of Argentina. They gained special attention by scientific community in part due to high nutritional value. Therefore the nutrient analysis with the purpose to be included in Argentinean Food Composition Databank is urgent. In this work proximal and mineral profile of Quinoa consumed in the North of Argent...


Determination of trace elements in agglomerated cork stoppers using inductively...

Gueifão, Sandra; Nascimento, Ana Cláudia; André, Catarina; Coelho, Inês; Castanheira, Isabel

Quercus Suber L. is a native species of the Mediterranean region yielding a thick bark, known as cork, used mainly in the production of wine stoppers. The levels of trace elements are an important component of quality, safety and origin of the agglomerated corks stoppers in contact with food. In the present work the concentration of the following elements was determined: Chromium (Cr), Nickel (Ni), Arsenic (As...


Pattern recognition of lipase-catalyzed or chemically interesterified fat blend...

Pires, Ana Sofia; Osório, Natália M.; Nascimento, Ana Cláudia; Keulen, Frederik; Fonseca, M.Manuela R.; Ferreira-Dias, Suzana

Research Paper ; The feasibility to discriminate among samples of different fat blends prior and after inorganic or lipasecatalyzed interesterification, via pattern recognition techniques [principal component analysis (PCA) and discriminant analysis (DA)], was investigated. Blends I and II, consisting of mixtures of palm stearin, palm kernel oil and a concentrate of triacylglycerols (TAG) rich in n-3 polyunsat...

Data: 2008   |   Origem: Repositório da UTL

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia