Abstract
The influence of relative humidity (RH) under various packaging treatments on weight loss and quality of ‘Kyoho’, ‘Campbell Early’, and ‘Muscat Bailey A (MBA)’ grape fruits was investigated. Fruits were stored at -1∼0℃ under various RH conditions for 50 days. Low-density polyethylene (LDPE) film (0.03 ㎜) with and without pores (5 ㎜ diameter) was used to generate various RH conditions under packaging treatments. Two clusters (400-450 g fresh weight per cluster) were put into a white plastic tray (25 20 ㎝) and covered with LDPE film and then sealed. Control fruits were stored without packaging treatment. RH resulted from various packaging treatments were obtained as following; sealed bag without pores (RH 100%), 10 pores (RH 90-98%), 20 pores (RH 80-90%), 30 pores (RH 70-80%), open-coverage without sealing (RH 63-70%), and as control non-packaging (RH 48-65%). RH conditions greatly affect the weight loss in all grape fruits during cold storage. Cultivars with good storability, such as ‘Kyoho’ and ‘Campbell Early’, were less sensitive to lower RH conditions than ‘MBA’ and showed lower weight loss. However, storage under RH 100%, sealed bag without pores, gave poor quality owing to decay induced by pathogens. Fruits stored at low RH (48-65%) had higher ethylene production, pH, and soluble solid contents but lower anthocyanin content than those at high RH (100%). Based on weight loss data observed through the study, we also could suggest a functional formular to predict weight loss (%) according to storage duration of grape fruits under various RH conditions resulted from packaging treatments of cold storage chamber.
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Claims 6
Claim · model-written summary
Relative humidity conditions under packaging treatments greatly affected weight loss in all grape fruits during cold storage.
Not reportedComparatorDirection
Verbatim
e1“RH conditions greatly affect the weight loss in all grape fruits during cold storage”
Claim · model-written summary
Kyoho and Campbell Early grapes, with good storability, were less sensitive to lower RH than MBA and showed lower weight loss.
Verbatim
e1“Cultivars with good storability, such as ‘Kyoho’ and ‘Campbell Early’, were less sensitive to lower RH conditions than ‘MBA’ and showed lower weight loss”
e2“grape fruits during cold storage”
Claim · model-written summary
Storage under RH 100% in a sealed bag without pores gave poor grape quality owing to decay induced by pathogens.
- Taxon
- grapee2
- Treatment
- RH 100%, sealed bag without porese1
- Interactor
- pathogense1pathogen
- Outcome
- poor quality owing to decay induced by pathogense1
Not reportedComparatorDirection
Verbatim
e1“storage under RH 100%, sealed bag without pores, gave poor quality owing to decay induced by pathogens”
e2“grape fruits during cold storage”
Claim · model-written summary
Grape fruits stored at low RH (48-65%) had higher ethylene production, pH and soluble solid contents than those at high RH (100%).
Verbatim
e1“Fruits stored at low RH (48-65%) had higher ethylene production, pH, and soluble solid contents but lower anthocyanin content than those at high RH (100%)”
e2“grape fruits during cold storage”
Claim · model-written summary
Grape fruits stored at low RH (48-65%) had lower anthocyanin content than those at high RH (100%).
Verbatim
e1“Fruits stored at low RH (48-65%) had higher ethylene production, pH, and soluble solid contents but lower anthocyanin content than those at high RH (100%)”
e2“grape fruits during cold storage”
Claim · model-written summary
A functional formula was suggested to predict weight loss of grape fruits according to storage duration under various RH conditions.
Not reportedValue
Verbatim
e1“we also could suggest a functional formular to predict weight loss (%) according to storage duration of grape fruits under various RH conditions”
The same questions in other papers
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1 paper in the same direction as this paper · 1 in the opposite direction
- positive
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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.