Abstract
Heat treatment of `Golden Delicious' apples ( Malus domestica Borkh) at 38C for 4 days, pressure infiltration with 2 or 4% solutions of CaCl 2 , or a combination of both with heat following CaCl 2 treatment affected both decay and firmness during 6 months storage at 0C. The heat treatment alone reduced decay caused by B . cinerea by about 30%, while heat in combination with a 2% CaCl 2 solution reduced decay by about 60%. CaCl 2 solutions of 2 or 4% alone reduced decay by 40% and 60%, respectively. Heat treatments, either alone or in combination with CaCl 2 treatments, best maintained firmness (80 N), followed by fruit infiltrated with 2 or 4% solutions of CaCl 2 alone (70 N) and then the nontreated controls (66 N). Instron Magness-Taylor and Instron Compression Test curves show that heat treated fruit differed qualitatively and quantitatively from nonheated fruit. A combination of heat treatment after CaCl 2 infiltration increased surface injury over those fruit heated or infiltrated with CaCl 2 solutions alone.
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Claims 8
Claim · model-written summary
Heat alone reduced B. cinerea decay by about 30%.
- Treatment
- heat treatment alonee0
- Interactor
- B . cinereae0pathogen
- Outcome
- decay caused by B . cinereae0
- Direction
- reducede0
- Value
- about 30%e0
Not reportedTaxonComparator
Verbatim
e0“The heat treatment alone reduced decay caused by B . cinerea by about 30%”
Claim · model-written summary
Heat with 2% CaCl 2 reduced decay by about 60%.
- Treatment
- heat in combination with a 2% CaCl 2 solutione0
- Outcome
- decaye0
- Direction
- reducede0
- Value
- about 60%e0
Not reportedTaxonComparator
Verbatim
e0“heat in combination with a 2% CaCl 2 solution reduced decay by about 60%”
Claim · model-written summary
2% CaCl 2 alone reduced decay by 40%.
Not reportedTaxonComparator
Verbatim
e0“CaCl 2 solutions of 2 or 4% alone reduced decay by 40% and 60%, respectively”
Claim · model-written summary
4% CaCl 2 alone reduced decay by 60%.
Not reportedTaxonComparator
Verbatim
e0“CaCl 2 solutions of 2 or 4% alone reduced decay by 40% and 60%, respectively”
Claim · model-written summary
Heat alone or with calcium best maintained firmness at 80 N.
Not reportedTaxonComparator
Verbatim
e0“Heat treatments, either alone or in combination with CaCl 2 treatments, best maintained firmness (80 N)”
Claim · model-written summary
Calcium alone maintained firmness at 70 N, compared with 66 N in controls.
- Treatment
- 2 or 4% solutions of CaCl 2 alonee0
- Outcome
- firmnesse1
- Value
- 70 Ne0
- Qualifier
- 66 Ne0
- Comparator
- nontreated controlse0
Not reportedTaxonDirection
Verbatim
e0“fruit infiltrated with 2 or 4% solutions of CaCl 2 alone (70 N) and then the nontreated controls (66 N)”
e1“best maintained firmness (80 N)”
Claim · model-written summary
Instron test curves distinguished heated from nonheated fruit qualitatively and quantitatively.
- Outcome
- heat treated fruit differed qualitatively and quantitatively from nonheated fruite0
Not reportedTaxon
Verbatim
e0“Instron Magness-Taylor and Instron Compression Test curves show that heat treated fruit differed qualitatively and quantitatively from nonheated fruit”
Claim · model-written summary
Heat after calcium infiltration increased surface injury compared with either treatment alone.
- Treatment
- heat treatment after CaCl 2 infiltratione0
- Outcome
- surface injurye0
- Direction
- increasede0
- Comparator
- those fruit heated or infiltrated with CaCl 2 solutions alonee0
Not reportedTaxon
Verbatim
e0“A combination of heat treatment after CaCl 2 infiltration increased surface injury over those fruit heated or infiltrated with CaCl 2 solutions alone”