Abstract
This investigation was carried out in order to study the influence of postharvest application by immersion in 1% chitosan, 0.2% bergamot oil, 4% calcium chloride, 30% ethanol, 0.2% acetic acid and combination of 1 % chitosan + 4% calcium chloride, as alterative toSO compared with control (un treated) and 2 to reduce the decay and maintain quality attributes of Crimson seedless grape. The treated clusters stored up to 6weeks at 0°C and relative humidity (RH) 90-95% to evaluate quality attributes (decay %, loss in weight %, shattering %, firmness, berry adherence, total acidity%, total soluble solids%, vitamin c, content of anthocyanin and respiration rate of the clusters during storage periods. Results showed that decay, vitamin C loss and weight loss, shattering, TSS, anthocyanin content and respiration rate were increased with increasing storage period. Whereas acidity, firmness and berry adherence decreased by increasing storage period. All treatments decreased the decay compared with SO or control. 1% chitosan + 4% calcium chloride treatment decreased 2 weight loss, shattering percentage and delayed the changes in firmness, titratable acidity, total soluble solids, vitamin C, anthocyanin content and respiration rate during storage periods compared with control. Clusters treated with ethanol and acetic acid showed decrease in decay and shattering percentage without affect negatively on the quality attributes compared with control treatment. The study suggests that these treatments might be a promising candidate as an alternative to SO to control the decay, maintain grape quality and 2 also to get a safe and healthy product, especially during cold storage and long transport, thus extending post- harvest life of grape.
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Claims 9
Claim · model-written summary
Decay, vitamin C loss, weight loss, shattering, TSS, anthocyanin content and respiration increased with storage period.
- Taxon
- grapet0
- Outcome
- decay, vitamin C loss and weight losse0
- Direction
- increasede0
- Qualifier
- increasing storage periode0
Not reportedOrgan / stageSetting
Verbatim
e0“Results showed that decay, vitamin C loss and weight loss, shattering, TSS, anthocyanin content and respiration rate were increased with increasing storage period.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Acidity, firmness and berry adherence declined with storage period.
Verbatim
e0“Whereas acidity, firmness and berry adherence decreased by increasing storage period.”
t0“Crimson Seedless Grape”
Claim · model-written summary
All treatments reduced grape decay relative to SO or control.
Verbatim
e0“All treatments decreased the decay compared with SO or control.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Chitosan plus calcium chloride reduced weight loss and shattering relative to control.
Verbatim
e0“1% chitosan + 4% calcium chloride treatment decreased 2 weight loss, shattering percentage and delayed the changes in firmness, titratable acidity, total soluble solids, vitamin C, anthocyanin content and respiration rate during storage periods compared with control.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Chitosan plus calcium chloride delayed changes in grape quality traits relative to control.
Verbatim
e0“1% chitosan + 4% calcium chloride treatment decreased 2 weight loss, shattering percentage and delayed the changes in firmness, titratable acidity, total soluble solids, vitamin C, anthocyanin content and respiration rate during storage periods compared with control.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Chitosan plus calcium chloride delayed changes in vitamin C, anthocyanin content and respiration rate.
Verbatim
e0“1% chitosan + 4% calcium chloride treatment decreased 2 weight loss, shattering percentage and delayed the changes in firmness, titratable acidity, total soluble solids, vitamin C, anthocyanin content and respiration rate during storage periods compared with control.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Ethanol reduced grape decay and shattering without adverse quality effects relative to control.
Verbatim
e0“Clusters treated with ethanol and acetic acid showed decrease in decay and shattering percentage without affect negatively on the quality attributes compared with control treatment.”
t0“Crimson Seedless Grape”
Claim · model-written summary
Acetic acid reduced grape decay and shattering without adverse quality effects relative to control.
Verbatim
e0“Clusters treated with ethanol and acetic acid showed decrease in decay and shattering percentage without affect negatively on the quality attributes compared with control treatment.”
t0“Crimson Seedless Grape”
Claim · model-written summary
The authors suggest these treatments as alternatives to SO for grape decay control and quality maintenance.
Verbatim
e0“The study suggests that these treatments might be a promising candidate as an alternative to SO to control the decay, maintain grape quality and 2 also to get a safe and healthy product, especially during cold storage and long transport, thus extending post- harvest life of grape.”
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