2000
DOI: 10.1590/s0100-204x2000001000020
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Efeito do cloreto de cálcio e do tratamento hidrotérmico na atividade enzimática e no teor de fenólicos do abacaxi

Abstract: RESUMO -O abacaxi (Ananas comosus Mill.) está sujeito a danos causados pelo frio durante o armazenamento refrigerado. A aplicação, pós-colheita, de Ca pode contribuir para reduzir vários tipos de desordens fisiológicas. Neste trabalho, verificou-se a influência da aplicação, pós-colheita, de CaCl 2 a 2%, associada ao tratamento hidrotérmico (38 o C e 40 o C) por 10 e 20 minutos de imersão, na composição química (fenólicos e enzimas), e na suscetibilidade ao escurecimento interno do abacaxi (Ananas comosus Mill… Show more

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Cited by 10 publications
(5 citation statements)
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“…Moreover, usually the degradation of cell wall polysaccharides is accompanied by an increase in the activity of polygalacturonase (enzyme responsible for pectin solubilization) and pectinmethylesterase (enzyme that catalyze the diesterification of free carboxylic groups) (GONÇALVES et al, 2000). The data of the activities of PG and PME are consistent to firmness data ( Figure 1).…”
Section: Firmnesssupporting
confidence: 76%
“…Moreover, usually the degradation of cell wall polysaccharides is accompanied by an increase in the activity of polygalacturonase (enzyme responsible for pectin solubilization) and pectinmethylesterase (enzyme that catalyze the diesterification of free carboxylic groups) (GONÇALVES et al, 2000). The data of the activities of PG and PME are consistent to firmness data ( Figure 1).…”
Section: Firmnesssupporting
confidence: 76%
“…Nestes frutos, o cálcio provavelmente contribuiu na manutenção da integridade da parede celular, conferindo maior resistência a esta desordem fisiológica. Estes resultados estão de acordo com GONÇALVES, CARVALHO & GONÇALVES [9] e THÉ & BOTREL [13] que trabalhando com abacaxis cv. Smooth cayenne, também observaram que os frutos tratados com cálcio apresentaram menor susceptibilidade ao escurecimento interno.…”
Section: -Métodosunclassified
“…Fruit were sprayed with distilled water or 380 μM ABA solution before storage at 20°C. IB incidence was evaluated at12,9,9,12, and 9 days for trials conducted in June 2013, September 2013, November 2013, June 2014, and October 2014, respectively. Significance of differences between the control and the treatment is indicated by letters above the bars (P ≤ 0.01).…”
mentioning
confidence: 99%