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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Consumo de feijão e efeitos do processamento na cocção sobre compostos fenólicos, capacidade antioxidante e atributos sensoriais / Consumption of beans and the processing effects on cooking over phenolic compounds, antioxidant capacity and sensory attributes

Botelho, Fabiana Torma 13 February 2014 (has links)
Submitted by Gabriela Lopes (gmachadolopesufpel@gmail.com) on 2016-09-26T14:08:40Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Tese-versao final_31_03.pdf: 1465705 bytes, checksum: 6bdab3574c99a765714c6fe1098adb64 (MD5) / Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2016-09-26T18:32:52Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Tese-versao final_31_03.pdf: 1465705 bytes, checksum: 6bdab3574c99a765714c6fe1098adb64 (MD5) / Made available in DSpace on 2016-09-26T18:32:52Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Tese-versao final_31_03.pdf: 1465705 bytes, checksum: 6bdab3574c99a765714c6fe1098adb64 (MD5) Previous issue date: 2014-02-13 / Sem bolsa / O feijão é um alimento de excelente qualidade nutricional e fonte de compostos bioativos que auxiliam na prevenção de doenças. No Brasil, o consumo de feijão deve ser mantido por fazer parte da tradição culinária brasileira, porém estudos demonstram crescente redução no seu consumo em decorrência de alimentos prontos e refeições fora do lar. Ademais, não existe um consenso sobre efeitos de diferentes processamentos na cocção de feijão sobre compostos bioativos e atributos sensoriais de feijão. Diante disso, o objetivo desse estudo foi avaliar hábitos de consumo de feijão em restaurante e em casa, relacionando características sócio demográficas com motivos que influenciam no consumo de feijão, além de avaliar o efeito de diferentes processamentos na cocção de feijão sobre o conteúdo de compostos fenólicos, antocianinas, capacidade antioxidante e atributos sensoriais. Os resultados mostraram que: (1) o consumo de feijão em casa ainda é um hábito nas refeições e que os motivos nutricionais, sensoriais e culturais influenciam na escolha em consumir feijão; (2) a forma de processamento para a cocção está diretamente relacionada com a capacidade antioxidante e afeta a disponibilidade de compostos fenólicos, antocianinas e interfere nos atributos sensoriais do feijão. / Beans are food with excellent nutritional quality and source of bioactive compounds which help preventing diseases. In Brazil, beans consumption must be maintained because they are part of Brazilian culinary tradition. However, studies demonstrate the increasing reduction in beans consumption due to ready-to-eat food and meals eaten outside the household. Moreover, there is no consensus on the different processing effects of cooking over bioactive compounds and sensory attributes of beans. Therefore, the objective of this study was to evaluate consumption habits for beans in restaurants and households, relating socio-demographic characteristics to reasons that influence consumption of beans, besides evaluating the effect different processes have on beans cooking in relation to phenolic compounds content, anthocyanins, antioxidant capacity and sensory attributes. The results showed that: (1) consumption of beans at home is still a habit for meals and that nutritional, sensory and cultural reasons influence the choice to consume beans; (2) the kind of processing for cooking is directly related to the antioxidant capacity and affects the availability of phenolic compounds, anthocyanins and interferes in the sensory attributes of beans.

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