Conservação do jiló em função da temperatura de armazenamento e do filme de polietileno de baixa densidade

Neres, Cláudio Rodrigo Lacerda; Vieira, Gerival; Diniz, Ellen Rúbia; Mota, Wagner Ferreira da; Puiatti, Mário

doi:10.1590/s0006-87052004000300013

Cited by 9 publications

(7 citation statements)

References 17 publications

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“…Indeed, when a horticultural product is harvested at the optimum point of maturation, the sugar is used as a substrate in respiration (Kays, 1991). According to Neres et al (2004), the alteration of contents in each type of packaging is related to the increase of total soluble solids concentration due to the water loss of the vegetable. SPAD content on the harvest day was 18.1.…”

Section: Resultsmentioning

confidence: 99%

Conservation of crisp lettuce in different post-harvest storage conditions

et al. 2020

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The objective of this work was to evaluate the post-harvest quality and the final storage time of the hydroponic crisp lettuce 'Brida', conditioned in different types of plastic packaging and environments. The statistical design was a completely randomized 3x2 factorial design, with 3 types of packages (control (without plastic packaging), perforated plastic packaging and closed plastic packaging) and 2 types of environments refrigerated (± 5 °C) and non-refrigerated (± 23 °C). Fresh leaf weight loss, relative SPAD content, total soluble solids content (TSS), pH, total titratable acidity (TTA), chlorophyll a and b, carotenoids and final storage time were measured. There was a decrease in the parameters of fresh mass, acidity, total soluble solids, and relative content of SPAD chlorophyll in refrigerated lettuce compared to uncooled. The use of packages also influenced post-harvest quality and closed packs resulted in lower values. It is concluded that the post-harvest quality of lettuce is better when they are refrigerated and packed in sealed packages.

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Section: Resultsmentioning

confidence: 99%

Conservation of crisp lettuce in different post-harvest storage conditions

et al. 2020

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“…Os maiores valores para o teor de sólidos solúveis ao final do armazenamento foram para as alfaces colhidas as 16:00 T11 e T7 (figura 3), sendo que as alfaces com e sem embalagem não apresentaram grandes diferenças no conteúdo de sólidos solúveis, independente de variedades e horários de colheita. Neres et al (2004) afirma que o aumento dos SS ocorre, provavelmente, em função do avanço do processo de maturação, além de outras alterações, como aumento na biossíntese de sólidos solúveis, como açúcares redutores e não redutores.…”

Section: Resultsunclassified

Shelf life of lace varieties under different kinds of packaging and harvesting times

et al. 2020

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The objective of this work was to evaluate the shelf life of purple curly and crisp lettuce varieties in two different harvesting periods with different borehole, no bore and no packaging, evaluating soluble solids content, titratable acidity and mass loss. All parameters were statistically significant, but the most important was the loss of mass, indicating that the treatments with the use of the package without bore harvested at 5:30 proved to be the most effective in the conservation of lettuce during the epochs.

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“…When comparing soluble solids contents during the evaluation periods (Table 2), SS content reduction during storage (24h) was observed in plants that received foliar fertilization at the lowest concentrations, 0%, 3.0% and 4.5% of fertilizer. Decrease may have occurred due to leaf maturation progress process, which occurs due to carbohydrate consumption by metabolism through respiration (Neres et al, 2004;Reis et al, 2014). It is observed that the SS of lettuce plants that received the highest fertilizer concentrations during cultivation were kept constant during the period in which they remained in the shelf.…”

Section: Resultsmentioning

confidence: 99%

Post-harvest quality of lettuce cv. Elba in relation to Spirulina platensis foliar applications

Silva¹,

Rocha²,

Nóbrega³

et al. 2017

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Use of biomass extracted from microalgae has been increasing, with Spirulina platensis among them, which has been used for several purposes. In agriculture, it can be used as a biofertilizer or biostimulant, serving as a nutrients source and contributing to increase yield and food quality. Thus, the aim of this study was to evaluate the influence of successive Spirulina platensis applications on lettuce cv. Elba post-harvest quality. The experiment was conducted in a laboratory, using a completely randomized design in plots subdivided in time, with six repetitions. Plots referred to organic fertilizer concentrations (Spirufert®) and subplots referred to evaluation periods (harvest and 24h after harvest). Soluble solids (SS), pH, titratable acidity, soluble solids/titratable acidity ratio, ascorbic acid, total chlorophyll a and b and protein were evaluated. Data were submitted to analysis of variance using Tukey's test at 5% probability level. There was significant effect between fertilizer concentrations and evaluation periods for most of the analyzed variables. Use of 7.5% Spirufert® promotes quality characteristics maintenance for lettuce storage evaluated 24 hours after harvesting, preserving soluble solids content, titratable acidity, ascorbic acid, total chlorophyll and chlorophyll a.

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Conservação do jiló em função da temperatura de armazenamento e do filme de polietileno de baixa densidade

Cited by 9 publications

References 17 publications

Conservation of crisp lettuce in different post-harvest storage conditions

Conservation of crisp lettuce in different post-harvest storage conditions

Shelf life of lace varieties under different kinds of packaging and harvesting times

Post-harvest quality of lettuce cv. Elba in relation to Spirulina platensis foliar applications

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