Postharvest Carbon Dioxide Treatment Enhances Firmness of Several Cultivars of Strawberry

Smith, Richard B.; Skog, L.J.

doi:10.21273/hortsci.27.5.420

Cited by 52 publications

(34 citation statements)

References 3 publications

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“…Northeaster and Earliglow fruits became firmer during CO 2 treatment compared with fruit stored in air (Table 1). An increase in firmness in response to CO 2 storage is a common characteristic of strawberry fruit (Plocharski 1982; Smith 1992; Smith and Skog 1992; Larsen and Watkins 1995; Watkins and others 1999; Zhang and Watkins 2005). Fruit texture is related to adhesion between neighboring cells, cell fragility, and internal turgor pressure (Harker and others 1997), but the reasons for the CO 2 effect on firmness are not well understood.…”

Section: Discussionmentioning

confidence: 99%

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres

Shin¹,

Ryu²,

Liu³

et al. 2008

Journal of Food Science

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The effects of CO2 in the storage atmosphere on color, firmness, ascorbic acid (AA), anthocyanins, flavonoids, phenolics, total antioxidant activity, and antiproliferative activity of strawberry fruit have been investigated. “Northeaster” and “Earliglow” strawberries were stored in air or in 20% CO2 (in air) at 3 °C for 20 d. Color changes in Northeaster were delayed more by CO2 treatment than in Earliglow. Firmness of CO2‐stored fruit increased slightly compared with those stored in air. The increases in total and reduced AA concentrations during air storage were usually prevented by CO2 storage in both cultivars. Dehydroascorbic acid (DHA) concentrations increased during CO2 storage. Anthocyanins and flavonoids, and total antioxidant activity of both cultivars were higher in air‐stored fruit than in CO2‐stored fruit. The total phenolic concentration was lower in CO2‐stored Earliglow fruit than in air, but storage treatment did not affect that of Northeaster. A 40 mg/mL concentration of Northeaster strawberry extract inhibited about 80% of HepG2 human liver cancer cell proliferation. CO2 treatment did not affect the antiproliferative activity of strawberry fruits, but antiproliferative activity was greater at harvest than after storage.

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Section: Discussionmentioning

confidence: 99%

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres

Shin¹,

Ryu²,

Liu³

et al. 2008

Journal of Food Science

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“…Considerable differences were detected both among treatments on eggplant pH (Table 2; Fig. 3) and for pH between modified atmosphere storage and air storage similarly to elsewhere reported data (Smith & Skog, 1992; Cordenunsi et al. , 2003).…”

Section: Phmentioning

confidence: 99%

Effect of grafting and modified atmosphere packaging on eggplant quality parameters during storage

Arvanitoyannis

Khah

Christakou

et al. 2005

Int J of Food Sci Tech

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The physico-chemical parameters (pH, mechanical firmness and vitamin C) and sensory parameters of grafted and ungrafted eggplant plants were studied in relation to storage time (up to 17 days at 10°C). Eggplant plants of cultivar ÔTsakonikiÕ were grafted on Solanum torvum and S. sisymbriifolium rootstocks in order to avoid the soil borne disease caused by Verticillium dahliae. The fruits were stored under modified atmosphere packaging (MAP). Vitamin C was negatively affected by grafting it storage, while MAP prolonged the shelf life. Although pH was not affected by grafting but was positively affected by MAP. Flesh firmness was negatively affected by grafting and reduced over storage, but positively affected by MAP. Sensory analysis showed higher ratings of fruits from ungrafted plants for sweetness, acceptance and hardness whereas no difference was detected for overall acceptance. Fruits stored under MAP were better maintained compared with those stored in air.

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“…In addition to the suppressing decay incidence and severity (Nunes et al, 2002), exposure of strawberry fruit to high pCO 2 has shown an increase fruit firmness, when provided either as a short-term flush of 100 kPa CO 2 (Goto et al, 1996;Hwang et al, 1999;Ueda and Bai, 1993) or in response to CO 2 accumulating in film-wrap packaging (Vicente et al, 2003). Elevated pCO 2 -mediated firmness increases in strawberry are significantly influenced by cultivar (Matsumoto et al, 2010;Pelayo et al, 2003;Smith and Skog, 1992;Watkins et al, 1999), pCO 2 (Goto et al, 1995;Harker et al, 2000), fruit maturity (Goto et al, 1995), and duration and temperature of exposure (Smith, 1992;Zhang and Watkins., 2005). CO 2 -induced firmness increases have also been reported for mango (Siriphanich, 1998).…”

Section: Introductionmentioning

confidence: 99%

Potential mechanisms associated with strawberry fruit firmness increases mediated by elevated pCO2

Hwang

Min

Kim

et al. 2012

Hortic. Environ. Biotechnol.

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Postharvest treatment of strawberry fruit with an elevated pCO2 induces transient increases in the fruit firmness. The mechanism responsible for this firmness increase is not clearly understood. This study addressed the physiological responses of strawberry fruit to CO2 treatment to understand the factors to induce firmness increase. High CO2 treatment induced modification of pectic polymers, the decrease of water-soluble pectins (WSP) and increase of chelatorsoluble pectins (CSP), which are the major factors for firmness increase. The shift of WSP to CSP is related with calcium binding to WSP. The calcium binding to wall polymers was induced without changes of PME activity and methoxy content of WSP and CSP. Our results suggested that fruit firmness increase of strawberry by postharvest CO2 treatment occurred primarily through pectin polymerization mediated by calcium.Additional key words: calcium, electrolytes, methoxy content, pectin, pectin methyesterase Hort.

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Postharvest Carbon Dioxide Treatment Enhances Firmness of Several Cultivars of Strawberry

Cited by 52 publications

References 3 publications

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres

Effect of grafting and modified atmosphere packaging on eggplant quality parameters during storage

Potential mechanisms associated with strawberry fruit firmness increases mediated by elevated pCO2

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Postharvest Carbon Dioxide Treatment Enhances Firmness of Several Cultivars of Strawberry

Cited by 52 publications

References 3 publications

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO2 Atmospheres

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO2 Atmospheres

Effect of grafting and modified atmosphere packaging on eggplant quality parameters during storage

Potential mechanisms associated with strawberry fruit firmness increases mediated by elevated pCO2

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Product

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Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres

Fruit Quality, Antioxidant Contents and Activity, and Antiproliferative Activity of Strawberry Fruit Stored in Elevated CO₂ Atmospheres