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Use of refrigeration in the conservation of black raspberries Rubus niveus

Authors: Lima, Luiz Carlos de Oliveira; Pio, Rafael; Maro, Luana Aparecida Castilho; Abreu, Celeste Maria Patto; Guedes, Mayara Neves Santos; Patto, Leonardo Silva;

Use of refrigeration in the conservation of black raspberries Rubus niveus

Abstract

Framboesas apresentam limitada durabilidade apos a colheita devido a sua alta taxa respiratoria. O uso de baixas temperaturas constitui uma das tecnicas utilizadas para estender este curto periodo. Embora a refrigeracao seja um metodo de baixo custo, o conhecimento das condicoes adequadas e essencial para manter a qualidade das framboesas. Para ampliar o conhecimento acerca deste assunto, framboesas negras, Rubus niveus, embaladas em bandejas de tereftalato de polietileno, foram armazenadas por 12 dias em câmaras do tipo BOD (demanda bioquimica de oxigenio) a –1, 1, 3, 5 e 7 °C, com variacoes de 0,2 a 0,5 °C, e umidade relativa de 91,4±7,3%. Embora as avaliacoes tenham sido realizadas somente ate o 12.o dia de armazenamento, os frutos apresentaram periodos de conservacao diferentes, dependendo da temperatura. A melhor temperatura para a conservacao dos frutos foi –1 °C, em que as bagas permaneceram por 12 dias com pouca variacao na qualidade para o consumo. Por outro lado, quando as framboesas negras foram armazenadas a temperaturas de 1 e 3 °C, a vida util das bagas foi de apenas tres dias. Apos este periodo, a qualidade organoleptica dos frutos foi reduzida devido a elevada perda de massa e ao desenvolvimento de um sabor estranho. Estas caracteristicas foram antecipadas a 5 e 7 °C, quando foi verificada a presenca de odores estranhos e micro-organismos, os quais resultaram num curto periodo de armazenamento.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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