Alteration of Fruit Quality Attributes and Cell Wall-Degrading Enzymatic Activities in Cluster Tomatoes After Combination Treatment with 1-methylcyclopropene and Modified Atmosphere Packaging During Cold Storage

Byeon, Si-Eun; Park, Gon Ho; Lee, Jinhee; Lwin, Hnin Phyu; Su’udi, Mukhamad; Kim, Jongkee; Lee, Jinwook

doi:10.7235/hort.20220029

Cited by 5 publications

(2 citation statements)

References 63 publications

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“…The temperatures of the injector, oven, and flame ionization detector were set to 200°C, 70°C, and 250°C, respectively. Helium (He) was used as the carrier gas at a flow rate of 30 mL min -1 for both GC analysis conditions (Byeon et al, 2022;Latt et al, 2023). Fruit firmness was measured using a Brookfield texture analyzer (CT3 4500, AMETEK Brookfield, Inc., Middleborough, MA, USA).…”

Section: Assessment Of Fruit Quality Attributesmentioning

confidence: 99%

Seasonal Difference of Fruit Quality Attributes and Physiological Disorders in Paprika Cultivars under a Simulated Export System

Byeon,

Jeong,

Lwin

et al. 2023

HST

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This study evaluated seasonal changes in various fruit quality attributes and the incidence of physiological disorders in the blocky and conical types of paprika cultivars using a simulated export system. The effects of three different pericarp colors were also investigated. 'Scirocco', 'DSP 7054', and 'Volante' cultivars were used as a blocky type, while 'Raon red', 'Raon orange', and 'Raon yellow' cultivars were used as a conical type with red, orange, and yellow pericarp color, respectively. The fruit was shipped at 10°C for two weeks, stored at 10°C for one week, and then transferred at 22°C for one week to simulate export by shipping. Storage temperatures and relative humidity levels greatly fluctuated in the winter season as compared to the summer season. Thus, fruit weight loss was higher in the winter season than in the summer season regardless of the cultivar type. However, the pericarp firmness was lower in the winter season. The soluble solids content and titratable acidity were higher in conical type than in the blocky type of paprika cultivar and highest in the 'Raon red' cultivar. The pericarp lightness and hue angle responded differently during the export season, depending on the pericarp color and fruit type. The incidence and severity of fruit shriveling were higher in the winter season than in the summer season, irrespective of the cultivar. Fruit shriveling was less severe in the conical type than in the blocky type, regardless of the pericarp color. Moreover, the incidence and severity of fruit softening, pedicel wilting, and pedicel browning were higher in the winter season than in the summer season. Therefore, the results indicate that the storage humidity levels likely play a pivotal role in the postharvest handling of paprika fruit quality during the seasonal export period. Thus, careful consideration of various techniques that are contingent upon the season of export and the specific type of fruit is required.

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Section: Assessment Of Fruit Quality Attributesmentioning

confidence: 99%

Seasonal Difference of Fruit Quality Attributes and Physiological Disorders in Paprika Cultivars under a Simulated Export System

Byeon,

Jeong,

Lwin

et al. 2023

HST

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“…According to Kozioł et al (2017), the PG activity is positively correlated with stiffness in ripe pears, regardless of the PME activity. According to studies of the role of PME and PG during fruit growth and maturation, it was found that their involvement in general depends on the crop variety (Zhang et al, 2020;Zhang et al, 2021;Byeon et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Different Activities of Pectin-degrading Enzymes Affecting the Growth of Asian Pears

Baek,

Park,

Lee

et al. 2023

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Fruit size is determined by the number and size of cells resulting from cell division and expansion, which are correlated with changes in the cell wall content. The pivotal roles of pectin-methylesterase (PME) and polygalacturonase (PG) have been well documented with regard to fruit ripening. Therefore, this study analyzed fruit growth and pectin contents for three consecutive years (from 2019 to 2021) until 180 days after full bloom (DAFB) at 15-day intervals to examine how pectin in the cell wall components affects fruit growth and development. Although there were no differences in the fruit size at harvest for these three years, the absolute fruit growth rate (AGR) peaked most rapidly in 2020, reaching the maximum fruit size earlier compared to the other two years. The pectin content of fruits in 2020, which showed the fastest growth, remained at a low level early in the growing season compared to those in the other years. The change in the pattern of the gradual increase in the PG activity with a decrease in the PME activity resulted in correspondingly different intersecting points over the three years. We found that the intersection of PME and PG activities observed in the order of 2020, 2021, and 2019 was identical to the order when the fruits reached their final weight. Interestingly, this timeline coincided with the point in time when the AGR increased rapidly over these three years. Differences in fruit volume increases, pectin contents, and pectin-degrading enzyme activities observed during fruit growth over three years suggest that the intersection of PME and PG activities is one of the key factors influencing cell expansion activation. Taken together, these results indicate that the intersection of PME and PG activities may affect the pectin content during fruit growth and development, which in turn affects the fruit growth rate in Asian pears.

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Enhancing the Quality of Ripened ‘Irwin’ Mangoes and the Shelf Life through Chitosan Edible Coating and Modified Atmosphere Packaging

Wijethunga,

Shin,

Jayasooriya

et al. 2024

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The biochemical changes in mangoes during ripening affect the fruit composition and quality, making these fruits vulnerable to rapid quality deterioration given their climacteric nature. This study examined the effects of an edible chitosan coating and modified atmosphere packaging (MAP) on room-temperature and cold storage conditions in an effort to enhance the quality of the 'Irwin' mangoes in two experiments. The 100 μL•L -1 and 500 μL•L -1 chitosan coating treatments used here were applied twice as preharvest treatments. Soon after harvest, mangoes were treated with 500 μL•L -1 chitosan postharvest treatment and 80,000 cc and 150,000 cc MAPs along with control and chitosan pre-treated fruits. The fruits in these cases were kept under room-temperature storage conditions in our first experiment. The control and 100 μL•L -1 and 500 μL•L -1 chitosan-preharvest-treated fruits were kept in cold storage at 7°C for 14 days and then exposed to room-temperature conditions as our second experiment. The physicochemical characteristics and respiration rate were subsequently analyzed. Remarkably, MAP types at room temperature were found to affect quality retention and weight maintenance positively compared to the chitosan treatments. However, the physicochemical characteristics were retained during cold storage, and the weight loss% changed moderately after exposure to room-temperature conditions. The soluble solids content, titratable acidity, and respiration rates were not significant, and firmness was decreased significantly only in the control treatment in the days after cold storage. In addition, apparent chromaticity variations could not be obtained from the front and back sides of the fruits. Notably, our first experiment pinpointed MAPs as ideal for room-temperature storage, while our second experiment highlighted the preharvest chitosan treatments as optimal for cold storage. These emerged as the foremost strategies, significantly enhancing the post-harvest quality and extending the shelf life of fully ripe 'Irwin' mangoes.

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Alteration of Fruit Quality Attributes and Cell Wall-Degrading Enzymatic Activities in Cluster Tomatoes After Combination Treatment with 1-methylcyclopropene and Modified Atmosphere Packaging During Cold Storage

Cited by 5 publications

References 63 publications

Seasonal Difference of Fruit Quality Attributes and Physiological Disorders in Paprika Cultivars under a Simulated Export System

Seasonal Difference of Fruit Quality Attributes and Physiological Disorders in Paprika Cultivars under a Simulated Export System

Different Activities of Pectin-degrading Enzymes Affecting the Growth of Asian Pears

Enhancing the Quality of Ripened ‘Irwin’ Mangoes and the Shelf Life through Chitosan Edible Coating and Modified Atmosphere Packaging

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