Avaliação do envase à quente de uma bebida láctea na conservação a temperatura ambiente

• Ano de defesa: 2008
• Autor(a) principal: Luiz, Lívia Maria Pinheiro
• Orientador(a): Brandão, Sebastião César Cardoso
• Banca de defesa: Pinto, Cláudia Lúcia de Oliveira , Soares, Cláudio Furtado
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Viçosa
• Programa de Pós-Graduação: Mestrado em Ciência e Tecnologia de Alimentos
• Departamento: Ciência de Alimentos; Tecnologia de Alimentos; Engenharia de Alimentos
• País: BR
• Palavras-chave em Português: Envase a quente; Bebida láctea; Conservação
• Palavras-chave em Inglês: Hot-filling; Dairy beverage; Conservation
• Área do conhecimento CNPq: CNPQ::CIENCIAS AGRARIAS::CIENCIA E TECNOLOGIA DE ALIMENTOS::TECNOLOGIA DE ALIMENTOS
• Link de acesso: http://locus.ufv.br/handle/123456789/2840

It was evaluated the effect of hot-filling of a dairy beverage thermally treated after fermentation and its conservation at room temperature up to 90 days. During processing of the dairy beverage fermented, It was used a light heating associated with low pH to storage of the dairy beverage at room temperature. PET bottles were used to hot filling of the product. The objective was find out a alternative procedure of low cost as hot filling and utilization of PET bottles, that can be introduced in a dairy beverage. To evaluate the stability of product during storage, were performed, periodically, visuals, physical-chemistry, microbiological and sensorial analysis. The results were evaluated by regression analysis in a Statistical Analysis System (SAS). The results showed that the dairy beverage stayed stability with relation to both physical-chemistry and microbiological analysis. After 42 days there was a little sedimentation, but it was solved by agitation of product. The sensorial analysis showed that acceptation had reduced during storage. This change in taste can be associated with aroma because its addition was added in heated product. It was concluded that dairy beverage is one good way of utilizing cheese whey because its low cost processing and using PET bottle filling. One the most advantage of this product is its storage at room temperature. Because of this, the refrigeration during transport and commercialization it is not necessary.