postharvest changes and respiratory pattern of bacuri fruit (platonia insignis mart.) at different maturity stages during ambient storage mudanças pós-colheita e padrão respiratório de frutos de bacuri (platonia insignis mart.) em diferentes estádios de maturação durante o armazenamento no ambiente

Clicks: 180
ID: 192955
2005
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Abstract
Bacuri (Platonia insignis, Mart.) is one of the most important among Amazonian fruits. However, little is known about its postharvest physiology, such as maturity stages, changes during ambient storage, and respiratory pattern. Fruits were harvested at three maturity stages based on epicarp colour: dark green, light green, and turning (50% yellow), in order to determine colour modification and respiratory pattern during ambient storage (25.2 ºC, 75.1 % RH). Fruit of all maturity stages showed, after three days of harvest, a non-climacteric respiratory pattern, with turning fruit presenting the highest CO2 production rate until the fourth storage day (177.63 mg.CO2.kg-1.h-1). Yellowing increased throughout storage as related to lightness, chromaticity, and hue angle reductions. Turning fruit can be stored at ambient conditions for up to 10 days without any loss in marketability.
O bacuri (Platonia insignis, Mart.) é um dos mais importantes entre os frutos da Amazônia. Todavia, pouco se sabe sobre sua fisiologia pós-colheita, bem como, estádio de maturação, mudanças durante o armazenamento sob condições ambientais e padrão respiratório. Os frutos foram colhidos em três estádios de maturação baseados na coloração do epicarpo: verde-escuro, verde-claro e "de vez" (50% amarelo), com o objetivo de se determinar as modificações de coloração e padrão respiratório durante armazenamento sob condições de ambiente (25,2 ºC, 75,1 % UR). Os frutos de todos os estádios de maturação apresentaram, a partir do terceiro dia de colheita, comportamento respiratório não climatérico, com os frutos "de vez" apresentando maior taxa de produção de CO2 até o quarto dia de armazenamento (177,63 mg CO2.kg-1.h-1). O amarelecimento aumentou durante o armazenamento e foi relacionado com a diminuição da luminosidade (L), cromaticidade e ângulo hue. Os frutos "de vez" podem ser armazenados sob condições de ambiente por até 10 dias sem nenhuma perda da qualidade comercial.
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teixeira2005actapostharvest Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Gustavo Henrique de Almeida Teixeira;José Fernando Durigan;Maria Aparecida Lima;Ricardo Elesbão Alves;Heloísa Almeida Cunha Filgueiras
Journal tumour biology : the journal of the international society for oncodevelopmental biology and medicine
Year 2005
DOI
10.1590/S0044-59672005000100003
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672005000100003
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