Abstract
Summary. A quantitative laboratory method for determining the susceptibility of citrus fruit to oleocellosis (rind oil damage) has been developed. This method allows the evaluation of various factors which govern the extent of rind oil damage to the rind. By using this method, it has been established that the development of oleocellosis symptoms was affected by temperature, with temperatures <10°C reducing the rate of development of the disorder. Unfortunately, when the temperature was raised again after storage, oleocellosis development proceeded as normal. Other environmental factors such as oxygen and carbon dioxide concentrations were also shown to affect the rate and extent of colour development of the rind blemish. This method of determining sensitivity of citrus peel to rind oil also established that the degree of surface exposure to sunlight increased the rind’s susceptibility to the oil. The effects of different coatings and chemicals which may affect the toxicity of the rind oils were also investigated, with artificial wax coatings being shown to reduce oil damage by up to 35%. This finding indicates the importance of thorough wax application to fruit. The tape method of sensitivity testing, as illustrated in this paper, also demonstrates that variations in oleocellosis development are not only due to changes in the pressure required to break the oil glands but also the ability of the peel to tolerate the released oil.
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Claims 6
Claim · model-written summary
Temperatures below 10 °C reduced the rate of oleocellosis development in citrus fruit.
CitrusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e1“temperatures <10°C reducing the rate of development of the disorder”
Claim · model-written summary
Raising the temperature again after storage left oleocellosis development proceeding as normal.
- Treatment
- the temperature was raised again after storagee2
- Outcome
- oleocellosis developmente2
- Direction
- proceeded as normale2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e2“when the temperature was raised again after storage, oleocellosis development proceeded as normal”
Claim · model-written summary
Oxygen and carbon dioxide concentrations affect the rate and extent of rind blemish colour development in citrus fruit.
- Treatment
- oxygen and carbon dioxide concentrationse3
- Outcome
- rate and extent of colour development of the rind blemishe3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e3“Other environmental factors such as oxygen and carbon dioxide concentrations were also shown to affect the rate and extent of colour development of the rind blemish”
Claim · model-written summary
Surface exposure to sunlight increased the susceptibility of citrus rind to the oil.
- Treatment
- surface exposure to sunlighte4
- Outcome
- rind’s susceptibility to the oile4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e4“the degree of surface exposure to sunlight increased the rind’s susceptibility to the oil”
Claim · model-written summary
Artificial wax coatings reduced oil damage by up to 35% in citrus fruit.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e5“artificial wax coatings being shown to reduce oil damage by up to 35%”
Claim · model-written summary
Variation in oleocellosis development is due not only to the pressure needed to break oil glands but also to the peel ability to tolerate the released oil.
- Outcome
- variations in oleocellosis developmente6
- Qualifier
- the ability of the peel to tolerate the released oile6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“citrus fruit”
e6“variations in oleocellosis development are not only due to changes in the pressure required to break the oil glands but also the ability of the peel to tolerate the released oil”
The same questions in other papers
storage · growth · CitrusPositive and negative results
2 in the opposite direction
- positive
- positive
light · disease · CitrusPositive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
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.