Abstract
Heat treatment of postharvest Elizabeth muskmelons was performed respectively using hot water and hot air methods.The effects of operating parameters such as packaging methods,fruit size,cycling medium velocity,temperature and relative humidity on half heating time,three-fourth heating time,seven-eighth heating time and tissue weight loss rate were investigated.The results showed that the length of hot water treatment was only 50%-60% of that of hot air treatment for the same treatment effectiveness(the temperature at the center of a melon sphere reached between 38 ℃ and 53 ℃).The optimum medium velocities in hot water and hot air methods were 0.5-1 m/s and 1.5-2 m/s,respectively.Hot water treatment and high humidity hot air treatment could effectively reduce the tissue weight loss of muskmelon in hot air treatment.Muskmelon grading according to fruit size in advance promoted the uniformity of heat treatment.The optimum operating time was seven-eighth heating time(the dimensionless temperature θ = 0.125).
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Claims 7
Claim · model-written summary
Hot water treatment required 50%-60% as long as hot air for the same melon heating effect.
Verbatim
e0“the length of hot water treatment was only 50%-60% of that of hot air treatment for the same treatment effectiveness(the temperature at the center of a melon sphere reached between 38 ℃ and 53 ℃)”
t0“Elizabeth Muskmelon”
Claim · model-written summary
The optimum medium velocity for hot water treatment was 0.5-1 m/s.
Verbatim
e0“The optimum medium velocities in hot water and hot air methods were 0.5-1 m/s and 1.5-2 m/s,respectively.”
t0“Elizabeth Muskmelon”
Claim · model-written summary
The optimum medium velocity for hot air treatment was 1.5-2 m/s.
Verbatim
e0“The optimum medium velocities in hot water and hot air methods were 0.5-1 m/s and 1.5-2 m/s,respectively.”
t0“Elizabeth Muskmelon”
Claim · model-written summary
Hot water treatment reduced muskmelon tissue weight loss.
- Taxon
- muskmelon
.jpg?width=60)
Cucumis meloe0 - Treatment
- Hot water treatmente0
- Outcome
- tissue weight loss of muskmelone0
- Direction
- reducee0
- Comparator
- hot air treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Hot water treatment and high humidity hot air treatment could effectively reduce the tissue weight loss of muskmelon in hot air treatment.”
Claim · model-written summary
High humidity hot air treatment reduced muskmelon tissue weight loss.
- Taxon
- muskmelonCucumis meloe0
- Treatment
- high humidity hot air treatmente0
- Outcome
- tissue weight loss of muskmelone0
- Direction
- reducee0
- Comparator
- hot air treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hot water treatment and high humidity hot air treatment could effectively reduce the tissue weight loss of muskmelon in hot air treatment.”
Claim · model-written summary
Grading melons by fruit size improved heat-treatment uniformity.
- Taxon
- MuskmelonCucumis meloe0
- Treatment
- grading according to fruit size in advancee0
- Outcome
- uniformity of heat treatmente0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Muskmelon grading according to fruit size in advance promoted the uniformity of heat treatment.”
Claim · model-written summary
Seven-eighth heating time was identified as optimum operation time.
Verbatim
e0“The optimum operating time was seven-eighth heating time(the dimensionless temperature θ = 0.125).”
t0“Elizabeth Muskmelon”
The same questions in other papers
heat · quality: postharvest · Cucumis melo (muskmelon)Results agree
4 papers in the same direction as this paper
- positive
- positive
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1 paper more in this group
See all 5 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.