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      Conseqüência da umidade relativa durante o armazenamento refrigerado e em atmosfera controlada na qualidade da maçã 'Gala' Translated title: Consequence of the relative humidity during the cold storage and controlled atmosphere in the quality of 'Gala' apple

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          Abstract

          O objetivo do presente trabalho foi avaliar o efeito da umidade relativa no armazenamento refrigerado e em atmosfera controlada sobre a qualidade de maçãs 'Gala' colhidas tardiamente. Os tratamentos foram armazenamento refrigerado + alta umidade relativa (96%), armazenamento refrigerado + baixa umidade relativa (90%), atmosfera controlada + alta umidade relativa (96%) e atmosfera controlada + baixa umidade relativa (90%). Os frutos de todos os tratamentos foram mantidos a 0,5°C e a condição de atmosfera controlada foi de 1,2kPa O2 + 3,0kPa CO2. Após sete meses de armazenamento, os frutos mantidos sob baixa umidade relativa (90%) apresentaram menor incidência de rachaduras, porém maior índice de murchamento na retirada da câmara. Após cinco dias de exposição a 20°C, os frutos mantidos em baixa umidade relativa, tanto em armazenamento refrigerado quanto em atmosfera controlada, apresentaram menor incidência de podridão e rachaduras. A incidência de degenerescência da polpa e polpa farinácea não foi influenciada pela umidade relativa.

          Translated abstract

          The objective was to evaluate the effect of relative humidity in cold and controlled atmosphere storage on the quality of 'Gala' apples. The evaluated treatments were: cold storage + high humidity (96%), cold storage + low humidity (90%), controlled atmosphere + high humidity (96%), controlled atmosphere + low humidity (90%). Fruit of all treatments were stored at 0.5°C and the controlled atmosphere conditions was 1.2kPa O2 + 3.0kPa CO2. After seven months, fruit stored in low humidity had smaller incidence of fruit cracking, but higher shriveling index. After five days at 20°C, fruit maintained in cold storage and in controlled atmosphere with low humidity, showed lower decay incidence and less fruit cracking. Flesh breakdown and mealiness was not influenced by relative humidity in storage room.

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          Most cited references5

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          Biochemical and physiological basis for effects of controlled and modified atmospheres on fruits and vegetables

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            Relative humidity in cool stores: measurement, control and influence of discreet factors

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              Storage humidity influences fruit quality and permeability to ethane in ‘McIntosh’ apples stored in diverse controlled atmospheres

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria )
                1678-4596
                October 2005
                : 35
                : 5
                : 1197-1200
                Affiliations
                [1 ] Universidade Federal de Santa Maria Brazil
                [2 ] Universidade Federal de Santa Maria Brazil
                Article
                S0103-84782005000500034
                10.1590/S0103-84782005000500034
                5b0efc33-f427-463c-8c01-4402acc573f6

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-8478&lng=en
                Categories
                AGRONOMY

                Horticulture
                Malus domestica,postharvest,quality,pós-colheita,qualidade
                Horticulture
                Malus domestica, postharvest, quality, pós-colheita, qualidade

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