Texture of Fresh Fruit

Harker, F. Roger; Redgwell, Robert J.; Hallett, Ian C.; Murray, Shona H.; Carter, Gordon

doi:10.1002/9780470650646.ch2

Cited by 312 publications

(195 citation statements)

References 303 publications

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“…Thus after 7 days at 4°C the firmness of strawberries packed under MA1 and MA2 that were dripped with CaCl 2 increased by 2.55and 2.52 N cm-2 respectively, which is in accordance with the results of El-Kazzar et al for cultivated strawberries [49]. Although it is known that the mechanical properties of fruits depend on cell wall strength, cell-to-cell adhesion, cell packing and the internal pressure or turgor of cells [54], the mechanism responsible for CO 2 -induced firming of strawberry tissue is still unknown.…”

Section: Firmnesssupporting

confidence: 80%

The Effect of Modified Atmosphere Packaging and Calcium Chloride Dripping on the Quality and Shelf Life of Kurdistan Strawberries

Jouki¹

2012

J Food Process Technol

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The present research was conducted to evaluate the effects of MAP and calcium chloride on some quality parameters of strawberry fruits stored at 4°C. Several quality parameters were monitored during the storage period. The samples were analyzed 0, 7, 14, 21 and 28 days during storage. Fruit weight, sugar content, chromatic parameters L*, a*, b*, fruit firmness, total titratable acidity, pH, sensory evaluation are analyzed. The results evidenced that the immersion of fruit in 0.5% calcium chloride solution (CaCl 2 ) didn't affect significantly in their physico-chemical characteristics such as: pH, total titratable acidity (ATT). The packaged strawberries retained their weight throughout the experiment as opposed to the samples packaged under air which lost 0.5% of their weight per day because of dehydration. The results indicated that storage in a modified atmosphere (5-10% O 2 and 5-10% CO 2 ) can be used to maintain the quality of Kurdistan strawberries for a longer time, than if kept in air packaging. Hence any of the packages except packages under air could prove suitable for inhibiting Botrytis growth for 3 week at 4°C. In relation of post-harvest life, the results indicated that the calcium treatment (0.5%) and MAP increased it from 7 (control) to 21 days.

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Section: Firmnesssupporting

confidence: 80%

The Effect of Modified Atmosphere Packaging and Calcium Chloride Dripping on the Quality and Shelf Life of Kurdistan Strawberries

Jouki¹

2012

J Food Process Technol

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“…During ripening, strawberries soften considerably due to degradation of the middle lamella of the cell wall. Cortical parenchyma cells, cell wall strengths, cell-to-cell contact [37], and cellular turgor can also influence firmness [38]. The changes in strawberry firmness are shown in Figure 3c.…”

Section: Firmnessmentioning

confidence: 98%

Fabrication and Testing of PVA/Chitosan Bilayer Films for Strawberry Packaging

et al. 2017

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Strawberry packaging based on four different chitosan-poly(vinylalcohol) blend films with chitosan contents of 0 wt %, 20 wt %, 25 wt %, and 30 wt % was tested. The samples were stored at 18 ± 2 • C and 60% ± 5% relative humidity for six days. Strawberry quality was evaluated during and after storage. Strawberries packaged using these films showed significant differences in weight loss and firmness, decay percentage, titratable acidity, total soluble solids, and ascorbic acid content when compared to non-packaged strawberries. The 25 wt % bilayer film showed the best performance in terms of delaying changes in strawberries. The findings suggest that these 25 wt % chitosan films can used to extend strawberry shelf lives while maintaining quality levels.

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“…During ripening, these factors change and lead to more empty cellular spaces and less cellular connections. Tissues with smaller cells have more intercellular connections and lower intercellular species, so these tissues are firmer than tissues with larger cells and intercellular spaces (Harker et al 1997). Fruit firmness and TSS declined with storage time for kiwifruit cv.…”

Section: Introductionmentioning

confidence: 99%

Impact of Harvesting Time and Length of Cold Storage Period On Physiological and Quality Traits of Four Quince Genotypes (Cydonia Oblonga Mill.)

Tatari

Mousavi

2017

Journal of Horticultural Research

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The investigation was conducted to determine the best harvesting time and the storage period of some quince cultivars and promising genotypes from the collection of quince germplasm in the Horticultural Research Station of Isfahan, Iran. For this study, fruits of 'Vidoja' and 'Isfahan' cultivars as well as promising genotypes PH2 and NB4 were harvested on 6, 14 and 21 October 2015 and 2016 and then stored at 0 ± 1 °C with 90 ± 5% R.H. for five months. Weight loss, firmness, total soluble solids (TSS), titrable acids (TA), taste index, pectin, total phenols, and percent of decay and surface browning of fruits were measured immediately after harvest and one-month intervals after storage in a factorial experiment based on a completely randomized design with three replications and 10 fruits per each replication. The results showed that 'Isfahan' cultivar had the highest TSS (18.83%), total phenols and weight loss. The least weight loss was observed in the 'Vidoja' cultivar. NB4 genotype showed the least taste index and pectin, while the most pectin and firmness was related to PH2 genotype. Generally, the delay in harvesting and prolongation of storage led to increasing of TSS and weight loss and declining of firmness and phenols, TA, and pectins. Until the third month of storage, there was no surface browning. Browning symptoms were observed from the fourth month of storage and increased in the fifth month up to 1.72%. Generally, the best harvesting time for 'Vidoja' was 185 days and for the rest of the genotypes, it was 193 days after full bloom. Fruit storage for four months in cold is advisable for these cultivars and genotypes.

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Texture of Fresh Fruit

Cited by 312 publications

References 303 publications

The Effect of Modified Atmosphere Packaging and Calcium Chloride Dripping on the Quality and Shelf Life of Kurdistan Strawberries

The Effect of Modified Atmosphere Packaging and Calcium Chloride Dripping on the Quality and Shelf Life of Kurdistan Strawberries

Fabrication and Testing of PVA/Chitosan Bilayer Films for Strawberry Packaging

Impact of Harvesting Time and Length of Cold Storage Period On Physiological and Quality Traits of Four Quince Genotypes (Cydonia Oblonga Mill.)

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