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Changes in bioactive composition of fresh-cut strawberries stored under superatmospheric oxygen, low-oxygen or passive atmospheres

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Issue date
2010
Author
Odriozola Serrano, Isabel
Soliva-Fortuny, Robert
Martín Belloso, Olga
Suggested citation
Odriozola Serrano, Isabel; Soliva-Fortuny, Robert; Martín Belloso, Olga; . (2010) . Changes in bioactive composition of fresh-cut strawberries stored under superatmospheric oxygen, low-oxygen or passive atmospheres. Journal of Food Composition and Analysis, 2010, vol. 23, núm. 1, p. 37-43. https://doi.org/10.1016/j.jfca.2009.07.007.
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Abstract
The effect of different modified atmosphere packaging conditions (2.5 kPa O2 + 7 kPa CO2, 10 kPa O2 + 5 kPa CO2, 21 kPa O2, 60 kPa O2 and 80 kPa O2) on the antioxidant properties of fresh-cut strawberries was investigated. Changes in phenolic acids, flavonoids (anthocyanins and flavonols), vitamin C and antioxidant capacity were analyzed for 21 days at 4 8C. O2, and CO2 package headspace concentrations were also evaluated. The initial quercetin content was maintained for 11–14 days regardless of the initial in-package atmospheres, but then it was dramatically enhanced in the strawberries stored at 21 kPa O2. High O2 concentrations inside headspace packages promoted greater losses of phenolic acids (p-coumaric, hydroxybenzoic and ellagic acid) and vitamin C during the storage period compared to low O2 levels. Anthocyanin content increased significantly beyond day 9 in strawberry wedges stored at 21 kPa O2, whereas it was almost constant throughout the storage in fresh-cut strawberries at superatmospheric O2 atmospheres. In general, low-O2 and passive atmospheres best maintained the initial antioxidant capacity of fresh-cut strawberries through the cold storage. Therefore, 2.5 kPa O2 + 7 kPa CO2 atmospheres are proposed to prevent oxidation of the main antioxidant compounds in fresh-cut strawberries.
URI
http://hdl.handle.net/10459.1/58725
DOI
https://doi.org/10.1016/j.jfca.2009.07.007
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Journal of Food Composition and Analysis, 2010, vol. 23, núm. 1, p. 37-43
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  • Articles publicats (Tecnologia dels Aliments) [596]
  • Publicacions de projectes de recerca del Plan Nacional [2956]

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