Teses e Dissertações defendidas fora da UFPA
URI Permanente desta comunidadehttps://repositorio.ufpa.br/handle/2011/7305
Teses e Dissertações defendidas fora do âmbito da Universidade Federal do Pará cujos autores(as) sejam servidores(as) técnicos administrativos ou docentes da UFPA
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Item Acesso aberto (Open Access) Melhoramento de tecnologia na produção e conservação do queijo marajoara(Universidade Estadual de Campinas, 1981) FINOTELO, Nemer Alfredo; BENRAADT, Rodolfo Delfino ReynaDue to the importance of buffalo milk in the manufacture of marajoara cheese, in the present work we first covered: Original and zoological classification. Officially recognized races of domesticated buffalos. Zootechnical characteristics. Aspects of buffalo's in the world with special reference to India, Pakistan, Italy and Brazil. Installations and processes related to the manufacture of marajoara cheese were studied in toco. Besides, samples commercially produced representing six production areas of Pará state, were shipped by air to Campinas; three of the production areas referred to Marajõ Island and the other three referred to inland regions. The samples shipped included the two types of marajoara cheese locally produced: IIcream" type and "butter" type. As far as composition was concerned, the samples shipped ere tested for moisture, dry matter, fat, fat in the dry matter, pH, protein, protein in the dry matter and sodium chloride. To check for possible adulteration such as by intentional addition of flour or other amilaceus products, starch determinations were carried out in alI samples. To inhibit mold growth, several concentrations of different chemical preservatives were tested in twenty four cheeses in a small plant located at Marajo Island. The preservatives were added directly to the cheese mass during the manufacture of eight cheeses. One hour after processing was completed the surface of each of the eight cheeses was treated with an insulating cover including paraffin, linseed oil, and a preparation developed by the Dairy Products Institute Candido Tostes. The surface af two Other cheeses was not treated to serve as controlo Another set of four cheeses were only treated on the surface with one of the products mentianed. Six cheeses were treated with Rhodofilm (Bayer) on the surface and six other cheeses were vacuum packed in plastic cryovac bags according to the technique described in item 6.2. Finally, at the Central Public Health Laboratory of the State of Pará using as reference, two srnall Industrial Plants, were run rnicrobiological analysis of the final product, that was conditioned in cryovac, with and without addition of Sodium Nitrate. Analysis were also done in final product without any protection, as custornarilly commercialized, to compare both, at the moment they are consurned, and in accordance with flowsheet at item 6.3.