Armazenamento de dois tipos de sapoti sob condição de ambiente

Miranda, Maria Raquel Alcântara de; Silva, Francinalma Socorro da; Alves, Ricardo Elesbão; Filgueiras, H. A. C.; Araújo, Nágela Cristina Costa

doi:10.1590/s0100-29452002000300017

Cited by 9 publications

(11 citation statements)

References 3 publications

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“…The results showed that control fruits in the red maturity stage showed the lowest firmness value (5.5 N) on the 15th day of storage at 10 • C. A sharp reduction in firmness of non-treated fruit could be associated with ethylene production and respiration. In line with our findings, Miranda et al [30] reported a slow and continuous decrease of fruit firmness of control fruit correlated with climacteric ethylene production. Moretti et al [17] also reported shriveling and softening of fruit at both maturity stages and degradation of cell walls correlated with an increase of ethylene production and respiration rate, which led to softening of fruits.…”

Section: Discussionsupporting

confidence: 93%

Effects of 1-MCP on Quality and Storability of Cherry Tomato (Solanum lycopersicum L.)

et al. 2019

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Cherry tomato is a perishable fruit due to its high rate of ethylene production and respiration during ripening. 1-Methylcyclopropene (1-MCP) is known to control ripening and reduce decay of fruit by inhibiting ethylene action. In the present study, the influence of 1-MCP application on quality and storability of ‘Unicorn’ cherry tomato was observed. Fruit at pink and red maturity stages were put in the commercial plastic containers and sealed with 40 μm low density polyethylene (LDPE) film, treated with 1-MCP (0 µL L−1 (control), 0.035 µL L−1 and 0.1 µL L−1), and stored at 10 °C in 85 ± 5% relative humidity (RH). The results indicated that application of 1-MCP at 0.1 µL L−1 significantly affected firmness, cell wall thickness, water soluble pectin, weight loss, surface color, lycopene content and physiological parameters in both pink and red maturity stages compared to 0.035 µL L−1 and control. 1-MCP treatment at 0.1 µL L−1 kept the fruits firmer than 0.035 µL L−1 and the control throughout the storage period for both maturity stages. Cell wall degradation in the control treatment was higher compared to the 0.1 µL L−1 1-MCP treated fruits in both maturity stages throughout the storage period. Results of this study revealed the effectiveness of application of 0.1 µL L−1 1-MCP on quality and shelf life of cherry tomato.

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Section: Discussionsupporting

confidence: 93%

Effects of 1-MCP on Quality and Storability of Cherry Tomato (Solanum lycopersicum L.)

et al. 2019

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“…Araújo-Neto (2001) verificou 15,6% de perda de massa, no 8 o dia de armazenamento à temperatura de 24±1°C e 55±5% UR. Miranda et al (2000) verificaram que o uso de atmosfera modificada reduz a perda de massa de sapoti armazenado à temperatura ambiente, por manter uma atmosfera com alta umidade dentro da embalagem.…”

Section: Resultsunclassified

“…Também se observa que a cultivar BRS-228 apresentou maior conteúdo de SST e AST, no dia da colheita e durante todo período de armazenamento (Figura 4). Em frutos com alto teor de açúcares, como o sapoti, ocorre uma alta correlação entre o aumento no conteúdo de açúcares solúveis e de sólidos solúveis (Alves et al, 2000). Lakshminarayana & Moreno-Rivera (1979) relatam que existem diferenças nos teores de açúcares entre as cultivares Indiana e Mexicana, tendo a última apresentado um conteúdo de açúcar maior e mais consistente.…”

Section: Resultsunclassified

“…O conteúdo de açúcares solúveis totais (AST) foi analisado segundo Yemn & Willis (1954). Na avaliação da senescência, adotou-se escala subjetiva, com notas de 1-5, de acordo com a porcentagem de frutos afetados por incidência de manchas, infecção por fungos e enrugamento (1: ausência de danos; 2: 1-25%; 3: 26-50%; 4: 51-75%; e 5: 76-100%) (Miranda et al, 2000).…”

Section: Methodsunclassified

“…as duas cultivares iniciaram a senescência, apresentando aroma característico de fermentação alcoólica. Comportamento semelhante foi observado por Miranda et al (2000), em duas espécies de sapoti estudadas.…”

Section: Figuraunclassified

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Alterações físicas, fisiológicas e químicas durante o armazenamento de duas cultivares de sapoti

Morais

Lima

Alves

et al. 2006

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar alterações físicas, fisiológicas e químicas, durante a maturação de duas cultivares de sapoti (Manilkara sapota L.), relacionando-as às taxas respiratórias e de liberação de etileno. Os frutos foram colhidos no estádio de maturidade fisiológica, avaliados no dia da colheita e armazenados em temperatura de 26±2ºC e umidade relativa de 55±5%. A atividade respiratória e a produção de etileno foram determinadas diariamente; perda de massa, firmeza, acidez total titulável, pH, sólidos solúveis, açúcares solúveis totais e senescência foram avaliados nos tempos de 0, 2, 4, 6, 8, 10 e 12 dias de armazenamento. A cultivar BRS-228 teve pico respiratório, produção de etileno e senescência retardada em relação à cultivar BRS-227. A cultivar BRS-228 manteve maior firmeza, maiores teores de sólidos solúveis e açúcares solúveis totais, e menor perda de massa do que a cultivar BRS-227. A cultivar BRS-228 apresenta maior potencial de conservação pós-colheita do que a cultivar BRS-227.Termos para indexação: Manilkara sapota, climatérico, etileno, amadurecimento. Physical, physiological and chemical changes during storage of two sapodilla cultivarsAbstract -The objective of this work was to evaluate the physical, physiological and chemical changes during storage of two sapodilla cultivars (Manilkara sapota L.). Fruits were picked and evaluated at the physiological maturation point, and stored at temperature of 26±2ºC and 55±5% relative humidity. Respiration activities and ethylene production were daily evaluated, while the loss of mass, firmness, pulp color, total titratable acidity, pH, soluble solids content, total sugar and senescence were determined in the 0, 2, 4, 6, 8, 10 and 12 days of storage. Fruits of BRS-228 cultivar had respiration activities, ethylene production picks and senescence retarded when compared to BRS-227 cultivar. Fruits of BRS-228 maintained larger firmness, soluble solids and total sugar contents and smaller loss of mass than BRS-227. The cultivar BRS-228 presents higher postharvest storage potential than BRS-227.

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Antioxidant Metabolism during Fruit Development of Different Acerola (Malpighia emarginata D.C) Clones

Oliveira

Moura

Brito

et al. 2012

J. Agric. Food Chem.

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The present research work describes the major changes in the antioxidant properties during development of acerola from five different clones. Ripening improved fruit physicochemical quality parameters; however, total vitamin C and total soluble phenols (TSP) contents declined during development, which resulted in a lower total antioxidant activity (TAA). Despite the decline in TSP, at ripening, the anthocyanin and yellow flavonoid content increased and was mainly constituted of cyanidin 3-rhamnoside and quercetin 3-rhamnoside, respectively. The activities of oxygen-scavenging enzymes also decreased with ripening; furthermore, the reduction in vitamin C was inversely correlated to membrane lipid peroxidation, indicating that acerola ripening is characterized by a progressive oxidative stress. Among the studied clones, II47/1, BRS 237, and BRS 236 presented outstanding results for vitamin C, phenols, and antioxidant enzyme activity. If antioxidants were to be used in the food supplement industry, immature green would be the most suitable harvest stage; for the consumer's market, fruit should be eaten ripe.

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Armazenamento de dois tipos de sapoti sob condição de ambiente

Cited by 9 publications

References 3 publications

Effects of 1-MCP on Quality and Storability of Cherry Tomato (Solanum lycopersicum L.)

Effects of 1-MCP on Quality and Storability of Cherry Tomato (Solanum lycopersicum L.)

Alterações físicas, fisiológicas e químicas durante o armazenamento de duas cultivares de sapoti

Antioxidant Metabolism during Fruit Development of Different Acerola (Malpighia emarginata D.C) Clones

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