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Open Access Ceras para conservação pós-colheita de frutos de abacateiro cultivar fuerte, armazenados em temperatura ambiente Waxes for enhanced shelflife of avocado cultivar fuerte, stored at room temperature

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Frutos de abacateiro foram colhidos dia 20/03/97. Selecionou-se 100 frutos uniformes, sendo mantidos 25 frutos para grupo controle - análise de perda de peso e 75 frutos para análises destrutivas - textura, sólidos solúveis totais e pH realizadas a cada 4 dias. Os frutos receberam os tratamentos, com objetivo de aumentar a vida pós-colheita&58; Cera "Fruit Wax" 1&58;1 (FW1) e 1&58;3 (FW2)&59; "Sparcitrus" 1 (SP1) e 1&58;1 (SP2)&59; Testemunha. Até o 4º dia de armazenamento não houve diferença significativa entre os valores de perda de peso dos tratamentos, sendo que ao final do armazenamento (12º dia) o tratamento SP1 foi superior aos demais, acarretando menor perda de peso dos frutos. Não houve diferença significativa entre os valores de textura analisados dentro de cada dia de armazenamento, mas os valores decresceram durante o armazenamento. Para sólidos solúveis totais não observou-se aumento significativos dos teores durante o armazenamento, sendo que em relação aos tratamentos, apenas no 12º dia para o tratamento FW2 obtiveram-se valores mais elevados do que o SP1. Para o pH não houve diferença significativa entre os valores dentro dos dias de armazenamento, entretanto do ponto de colheita para o 4ºdia de armazenamento, houve diminuição significativa, com exceção do tratamento SP1.&60;br&62;Avocado contains fat-soluble vitamins that in general other fruits do not contain. Avocado fruits were picked and 100 uniform specimens were selected, of which 25 were used as a control group to evaluate weight loss, and 75 were used for destructive analysis. Every 4 days 25 fruits were evaluated for texture, total soluble solids and pH. Five treatments were used to protect fruits&58; control&59; "Fruit wax"/wax 1&58;1 (FW1) and "Fruit wax"/wax 1&58;3 (FW2)&59; "Sparcitrus/wax 1&58;1 (SP1) and "Sparcitrus/wax 1&58;3 (SP2). At the fourth storage day there was no statistical difference among the values of weight loss, however at the twelfth day, treatment SP1 was the best, with a smaller weight loss. There was no statistical difference among texture values as well as for storage day, the values however decrease during storage. Total soluble solids did not increase with storage time, until the twelfth storage day, when FR2 values were higher than those of SP1. There was no statistical difference among pH values for storage days, however for all treatments after the fourth storage day, the values decreased, with the exception of the SP1 treatment.
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Document Type: Research Article

Publication date: January 1, 2000

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