Low Oxygen Storage Improves Tomato Postharvest Cold Tolerance, Especially for Tomatoes Cultivated with Far-Red LED Light

We investigated the effects of low oxygen storage on chilling injury development, colour development, respiration and H2O2 levels of ‘Merlice’ tomatoes cultivated with and without far red (FR) LED lighting during 20 days of shelf-life. Mature green (MG) and red (R) tomatoes were stored at 2 °C in co...

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Bibliographic Details
Published in:Foods 2021-07, Vol.10 (8), p.1699
Main Authors: Affandi, Fahrizal Yusuf, Verschoor, Jan A., Paillart, Maxence J. M., Verdonk, Julian C., Woltering, Ernst J., Schouten, Rob E.
Format: Article
Language:English
Subjects:
Carbon dioxide
Chilling
chilling injury
Cold storage
Cold tolerance
Color
controlled atmosphere
Cooling
Cultivation
Dehydrogenases
Enzymes
Experiments
far-red
Food science
Fruit cultivation
Fruits
Hydrogen peroxide
Hypoxia
Light effects
Light emitting diodes
Lighting
Lycopene
Oxygen
Oxygen consumption
Oxygen uptake
Respiration
Shelf life
Tomatoes
Weight loss
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Summary:We investigated the effects of low oxygen storage on chilling injury development, colour development, respiration and H2O2 levels of ‘Merlice’ tomatoes cultivated with and without far red (FR) LED lighting during 20 days of shelf-life. Mature green (MG) and red (R) tomatoes were stored at 2 °C in combination with 0.5, 2.5, 5 and 21 kPa O2 for 15 days (experiment 1). MG tomatoes cultivated under either white LED or white LED light with FR LED light were stored at 2 °C in combination with 1, 5 and 21 O2 kPa for 14 days (experiment 2). Chilled MG and R tomatoes from experiment 1 showed decay, firmness loss and higher weight loss during shelf-life which were reduced under low oxygen conditions. FR during cultivation improved chilling tolerance of MG tomatoes. Fastest colour development and lowest respiration rate during shelf-life were observed for MG fruit cultivated with FR lighting prior to storage at 1 kPa O2/0 kPa CO2. H2O2 levels during the shelf-life were not affected during cold storage. The improved cold tolerance of MG tomatoes cultivated with FR lighting is likely due to lower oxygen uptake that led to both higher lycopene synthesis and less softening.
ISSN:2304-8158
2304-8158
DOI:10.3390/foods10081699