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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

Barras de cereais com amnÃndoas de chichÃ, sapucaia e castanha-do-gurguÃia, complementadas com casca de abacaxi / the cereal bars from almonds to chichÃ, sapucaia and chestnut-of-gurguÃia, supplemented with pineapple bark.

Michelle GarcÃz de Carvalho 28 February 2008 (has links)
A tendÃncia de consumo de alimentos saudÃveis, inovadores e prÃticos tem levado ao crescimento cada vez maior nos Ãltimos anos do mercado de barras de cereais. As barras de cereais sÃo formadas por grÃos de cereais processados e aglomerados, e a elas podem ser incorporados diferentes ingredientes, tais como cereais integrais, frutas desidratadas ou cristalizadas, amÃndoas e aÃÃcares. Existem na flora nativa brasileira, algumas espÃcies ainda pouco conhecidas, mas que apresentam potencialidades para o mercado de amÃndoas, como o chichÃ, sapucaia e castanha-do-gurguÃia. No entanto, observa-se tambÃm a importÃncia da utilizaÃÃo dos resÃduos gerados do processamento das frutas, como cascas, talos e bagaÃos, podem esses ser aproveitados na dieta humana. Assim, objetivou-se neste trabalho desenvolver barras de cereais a partir de amÃndoas de chichÃ, sapucaia e castanha-do-gurguÃia, complementadas com casca de abacaxi. Foram formuladas barras de cereais com trÃs formulaÃÃes (A, B e C), as quais se diferenciavam pela quantidade adicionada de gordura vegetal hidrogenada e pà da casca de abacaxi. Posteriormente, foram elaborados nove tipos de barras de cereais, sendo trÃs com amÃndoas de chichÃ, trÃs com amÃndoas de castanha-do-gurguÃia e trÃs com amÃndoas de sapucaia, as quais foram avaliadas microbiologicamente e sensorialmente. ApÃs a avaliaÃÃo sensorial, escolheram-se as barras de cereais com maiores notas de impressÃo global, sendo essas submetidas a anÃlises quÃmicas. A sapucaia destacou-se, dentre as amÃndoas avaliadas, por apresentar as maiores mÃdias para a maioria dos parÃmetros avaliados. Verificou-se atravÃs do parÃmetro impressÃo global que dentre as formulaÃÃes testadas a que exibiu a maior nota de aceitaÃÃo foi a formulaÃÃo B, entre as barras de cereais com as trÃs amÃndoas estudadas. As barras de cereais elaboradas com amÃndoas de chichà e sapucaia de um modo geral foram mais aceitas do que as barras de cereais com amÃndoas de castanha-do-gurguÃia. No que se referem aos minerais, os de maior teor nas barras de cereais elaboradas neste estudo, foram, respectivamente, o potÃssio, sÃdio, ferro e zinco. Conclui-se ser viÃvel a utilizaÃÃo das amÃndoas de chichÃ, sapucaia e castanha-do-gurguÃia, e do pà da casca de abacaxi na elaboraÃÃo de barras de cereais. / The trend of consumption of healthy food, innovative and practical has led to growth increasing in recent years the market for the cereal bars. The cereal bars are formed by grain cereals, processed and clusters, and they can be incorporated different ingredients, such as integral cereals, dehydrated fruit or crystallized fruit, almonds and sugars. There are in the native Brazilian flora, some species still little known, but which have potential for the market of almonds, as chichÃ, sapucaia and chestnut-of-gurguÃia. However, its observe also the importance of the use of waste generated from fruit processing, such as bark, stems and cake, these can be used in the human diet. Thus, the objective of this work was to develop the cereal bars from almonds to chichÃ, sapucaia and chestnut-of-gurguÃia, supplemented with pineapple bark. Cereal bars were making with three formulations (A, B and C), which they were different by the amount added of hydrogenated vegetable fat and dust of the pineapple bark. Subsequently, nine types of the cereal bars were prepared, three with almonds, chichÃ, three with almonds, chestnut-do-gurguÃia and three of sapucaia with almonds, which were evaluated microbiologically and sensorial. After the sensory evaluation, the cereal bars with higher notes of overall impression was chose, and those subjected to chemical analyses. The sapucaia highlighted is among the almonds evaluated, by presenting the greatest medium for most parameters evaluated. It was found by the parameter overall impression that among the formulations tested showed that the largest note of acceptance was the formulation B, between the cereal bars with the three almonds studied. The cereal bars, developed with almonds of chichà and sapucaia, in general, were more accepted than cereal bars with almonds of chestnut-do-gurguÃia. With regard to minerals, the highest levels in the cereal bars prepared in this study were, respectively, potassium, sodium, iron and zinc. It is viable to use the almonds, chichÃ, sapucaia and chestnut-of-gurguÃia, and the dust of the pineapple bark in the preparation of the cereal bars.

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