influência de centrífuga no processamento do mel de abelha the influence of the centrifuge on honey processing

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ID: 218473
2005
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Abstract
Neste trabalho, estudou-se a influência do tipo de centrífuga utilizado no processamento do mel de abelha sobre os parâmetros reológicos, físico-químicos e sensoriais. Para a análise sensorial, trabalhou-se com 58 provadores que constataram mudanças no sabor das amostras. Na análise reológica, foi utilizado um reômetro RS50 conectado a um banho termostático K20-DC5, ambos da HAAKE, com um sensor de geometria cone-placa. Ocorreram diferenças significativas nos valores da viscosidade entre as duas amostras obtidas por meio dos respectivos modelos de centrífugas. O valor da viscosidade do mel obtido da centrífuga radial foi, aproximadamente, o dobro do valor do mel processado na centrífuga facial. Nenhuma alteração foi observada nos níveis de hidroximetilfurfural e umidade de ambas as amostras. No caso do mel obtido da centrífuga radial, obteve-se umidade de 20,6%, enquanto o mel processado na centrífuga facial apresentou umidade de 20,2%. Na análise sensorial, cerca de 69% dos provadores manifestaram preferência pelo mel processado na centrífuga radial, que consideraram o sabor doce menos acentuado e mais viscoso.
This work has the objective of studying the influence of the centrifuge type utilized on honey processing by the rheological, the physical-chemical and sensorial characterization. In the sensorial analysis, 58 consumers verified some alteration in the flavour of samples. In the rheological analysis, a RS50 rheometer connected with a K20-DC5 thermostatic bath, both produced by HAAKE, were used to perform the tests. The sensor used in this case was a cone plate sensor. It was observed significative differences at the viscosity value between the two samples processed at each centrifuge. The viscosity value of the honey processed at radial centrifuge was approximately the double of the viscosity value of the honey processed at facial centrifuge. None alteration in the hidroximetilfurfural level and moisture was observed. The honey processed in the radial centrifuge had 20.6% of moisture and the honey processed in the facial centrifuge had 20.2% of moisture. In the sensorial analysis, 69% of consumers preferred the honey processed in the radial centrifuge and they considered this honey less sweet and more viscous.
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costa2005engenhariainfluncia Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Cleber C. da Costa;Roberto G. Pereira;Dario de A. Prata Filho
Journal bioorganic and medicinal chemistry letters
Year 2005
DOI
10.1590/S0100-69162005000300028
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