Abstract
Carbon dioxide-enriched atmospheres are used to reduce the incidence and severity of decay and to extend the postharvest life of strawberries. The influence of CO 2 on the postharvest quality parameters of strawberries, particularly the stability of anthocyanins and other phenolic compounds, was investigated. Freshly harvested strawberries were placed in jars ventilated continuously with air or air enriched with 10%, 20%, or 40% CO 2 at 5 °C for 10 days. Samples were taken initially, and after 5 and 10 days of storage, and color ( L * a * b * color space), pH, TA, TSS, and firmness were measured. Anthocyanins and other phenolics were analyzed by HPLC. Elevated CO 2 degraded internal color while air-treated fruit remained red. Internal and external tissues differed in composition and concentration of phenolic compounds. CO 2 had a minimal effect on the anthocyanin content of external tissues but induced a remarkable decrease in anthocyanin content of internal tissues. Factors, such as pH and copigmentation, that could explain this degradation are discussed. Keywords: Fragaria × ananassa; controlled atmosphere; quality parameters; anthocyanins; phenolics
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Claims 4
Claim · model-written summary
Elevated CO2 degraded internal fruit color while air-treated fruit remained red.
- Taxon
- Strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- Elevated CO 2e0
- Outcome
- internal colore0
- Direction
- degradede0
- Comparator
- air-treated fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Elevated CO 2 degraded internal color while air-treated fruit remained red”
t0“Strawberry”
Claim · model-written summary
Internal and external strawberry tissues differed in phenolic composition and concentration.
- Taxon
- StrawberryFragaria ×ananassat0
- Organ / stage
- Internale0
- Outcome
- composition and concentration of phenolic compoundse0
- Direction
- differede0
- Comparator
- external tissuese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Internal and external tissues differed in composition and concentration of phenolic compounds”
t0“Strawberry”
Claim · model-written summary
CO2 had minimal effect on external tissue anthocyanin content.
- Taxon
- StrawberryFragaria ×ananassat0
- Organ / stage
- external tissuese0
- Treatment
- CO 2e0
- Outcome
- anthocyanin contente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CO 2 had a minimal effect on the anthocyanin content of external tissues”
t0“Strawberry”
Claim · model-written summary
CO2 markedly decreased internal tissue anthocyanin content.
- Taxon
- StrawberryFragaria ×ananassat0
- Organ / stage
- internal tissuese0
- Treatment
- CO 2e0
- Outcome
- anthocyanin contente0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CO 2 had a minimal effect on the anthocyanin content of external tissues but induced a remarkable decrease in anthocyanin content of internal tissues”
t0“Strawberry”
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co2 · quality: phytochemicals · Fragaria x ananassa (strawberry)Results differ
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See all 39 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.