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Application of Dynamic Controlled Atmosphere Technologies to Reduce Incidence of Physiological Disorders and Maintain Quality of ‘Granny Smith’ Apples

Author

Listed:
  • Tatenda Gift Kawhena

    (Department of Horticultural Science, Faculty of AgriSciences, Stellenbosch University, Stellenbosch 7600, South Africa
    SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Stellenbosch 7600, South Africa)

  • Olaniyi Amos Fawole

    (SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Stellenbosch 7600, South Africa
    Postharvest Research Laboratory, Department of Botany and Plant Biotechnology, University of Johannesburg, Johannesburg 2006, South Africa)

  • Umezuruike Linus Opara

    (SARChI Postharvest Technology Research Laboratory, Africa Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Stellenbosch 7600, South Africa
    UNESCO International Centre for Biotechnology, Nsukka 410001, Enugu State, Nigeria)

Abstract

The efficacy of dynamic controlled atmosphere technologies; repeated low oxygen stress (RLOS) and dynamic controlled atmosphere-chlorophyll fluorescence (DCA-CF) to control superficial scald development on ‘Granny Smith’ apples during long-term storage was studied. Fruit were stored for 2, 4, 6, 8, and 10 months at 0 °C in DCA-CF (0.6% O 2 and 0.8% CO 2 ), regular atmosphere (RA)(≈21% O 2 and 90–95% RH), and RLOS treatments: (1) 0.5% O 2 for 10 d followed by ultra-low oxygen (ULO) (0.9% O 2 and 0.8% CO 2 ) for 21 d and 0.5% O 2 for 7 d or (2) 0.5% O 2 for 10 d followed by controlled atmosphere (CA) (1.5% O 2 and 1% CO 2 ) for 21 d and 0.5% O 2 for 7 d. Development of superficial scald was inhibited for up to 10 months and 7 d shelf life (20 °C) under RLOS + ULO and DCA-CF treatments. Apples stored in RLOS + ULO, RLOS + CA, and DCA-CF had significantly ( p < 0.05) higher flesh firmness and total soluble solids. The RLOS phases applied with CA or ULO and DCA-CF storage reduced the development of superficial scald by possibly suppressing the oxidation of volatiles implicated in superficial scald development.

Suggested Citation

  • Tatenda Gift Kawhena & Olaniyi Amos Fawole & Umezuruike Linus Opara, 2021. "Application of Dynamic Controlled Atmosphere Technologies to Reduce Incidence of Physiological Disorders and Maintain Quality of ‘Granny Smith’ Apples," Agriculture, MDPI, vol. 11(6), pages 1-24, May.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:6:p:491-:d:562220
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    Cited by:

    1. Dirk E. Maier & Hory Chikez, 2021. "Recent Innovations in Post-Harvest Preservation and Protection of Agricultural Products," Agriculture, MDPI, vol. 11(12), pages 1-5, December.
    2. Yujie Fang & Minato Wakisaka, 2021. "A Review on the Modified Atmosphere Preservation of Fruits and Vegetables with Cutting-Edge Technologies," Agriculture, MDPI, vol. 11(10), pages 1-16, October.

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