Abstract
Commercially mature “Bartlett” pears for this study were obtained from local commercial packing facilities. In the first year, pears were packed in modified atmosphere bags and placed in boxes or packed normally (control) with an individual paper wrap around each pear plus a polyethylene liner in the box. Boxed pears from both types of packaging were stored in regular atmosphere (RA) storage at 1C for 30 or 90 days. In the second year, pears were packed normally and stored in both RA or controlled atmosphere (CA) storage for 45 or 90 days, or packed in modified atmosphere bags and stored in RA at 1C. After 45 days, normally packed pears from both RA and CA were removed from their initial storage, placed in modified atmosphere bags and returned to RA storage for an additional 45 days. Pears stored in modified atmosphere bags were superior in quality to normally packed pears stored only in RA storage and equal in quality to pears stored in CA for periods of 90 days. The quality of pears held in modified atmosphere bags under CA conditions deteriorated after only short periods of time (<45 days). Pears in modified atmosphere bags should be stored only in RA. Little or no quality advantage was evident if use of modified atmosphere bags was delayed regardless of prior storage type.
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Claims 5
Claim · model-written summary
Modified atmosphere bags improved pear quality relative to normal packaging in regular atmosphere storage.
- Treatment
- modified atmosphere bagse0
- Outcome
- qualitye0
- Direction
- superiore0
- Comparator
- normally packed pears stored only in RA storagee0
PyrusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pears stored in modified atmosphere bags were superior in quality to normally packed pears stored only in RA storage”
Claim · model-written summary
Pear quality in modified atmosphere bags equaled controlled atmosphere storage for 90 days.
- Treatment
- modified atmosphere bagse1
- Outcome
- qualitye0
- Direction
- equale0
- Qualifier
- periods of 90 dayse0
- Comparator
- pears stored in CAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“equal in quality to pears stored in CA for periods of 90 days”
e1“Pears stored in modified atmosphere bags were superior in quality to normally packed pears stored only in RA storage”
t0“MODIFIED ATMOSPHERE PACKAGED “BARTLETT” PEARS”
Claim · model-written summary
Pear quality deteriorated in modified atmosphere bags under controlled atmosphere within 45 days.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quality of pears held in modified atmosphere bags under CA conditions deteriorated after only short periods of time (<45 days)”
Claim · model-written summary
The authors recommend storing pears in modified atmosphere bags only in regular atmosphere.
- Outcome
- stored only in RAe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pears in modified atmosphere bags should be stored only in RA”
Claim · model-written summary
Delayed use of modified atmosphere bags offered little or no pear quality advantage regardless of prior storage type.
- Treatment
- use of modified atmosphere bags was delayede0
- Outcome
- quality advantagee0
- Direction
- Little or noe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Little or no quality advantage was evident if use of modified atmosphere bags was delayed regardless of prior storage type”
t0““BARTLETT” PEARS”
The same questions in other papers
storage · quality: general · Pyrus (pears)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- positive
6 papers more in this group
See all 10 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.