Abstract
Abstract Free phenolic constituents increase more than 2-fold in injured peel of oranges ( Citrus sinensis Osbeck) cv. Valencia after 48 hr at 30°C and 96 to 98% relative humidity (rh). Concomitantly, conjugated phenolic compounds decrease to near depletion as a heavily lignified layer forms on injured cells. At 5°C all wound healing processes slow down. Infection of injured tissue by Penicillium digitatum Sacc. at 27°C inhibits lignin synthesis and the disappearance of conjugated phenolic compounds, but does not interfere with the usual increase in free phenolics. Mycelium of P. digitatum contributes little to the level of phenolic compounds of decayed fruit tissue. Extracts of free phenolic substances from healed tissue d) not exhibit fungistatic activity on P. digitatum spores, Lignin formation provides a mechanical barrier which retards or inhibits penetration of injured tissue by P. digitatum.
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Claims 10
Claim · model-written summary
Free phenolics in injured Valencia orange peel increased more than twofold after 48 hours at 30°C and high humidity.
Verbatim
e0“Free phenolic constituents increase more than 2-fold in injured peel of oranges ( Citrus sinensis Osbeck) cv. Valencia after 48 hr at 30°C and 96 to 98% relative humidity (rh)”
Claim · model-written summary
Conjugated phenolics declined nearly to depletion as a lignified layer formed on injured cells.
Verbatim
t0“Orange Peel”
e0“conjugated phenolic compounds decrease to near depletion as a heavily lignified layer forms on injured cells”
Claim · model-written summary
A heavily lignified layer formed on injured orange peel cells.
Verbatim
t0“Orange Peel”
e0“a heavily lignified layer forms on injured cells”
Claim · model-written summary
At 5°C all orange wound healing processes slowed.
Verbatim
t0“Orange Peel”
e0“At 5°C all wound healing processes slow down”
Claim · model-written summary
Penicillium digitatum infection inhibited lignin synthesis in injured orange tissue at 27°C.
- Taxon
- Oranget0
- Treatment
- Infection of injured tissue by Penicillium digitatum Sacc.e0
- Interactor
- Penicillium digitatum Sacc.
Penicillium digitatume0pathogen - Outcome
- lignin synthesise0
- Direction
- inhibitse0
- Qualifier
- at 27°Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Infection of injured tissue by Penicillium digitatum Sacc. at 27°C inhibits lignin synthesis”
Claim · model-written summary
Penicillium digitatum infection inhibited disappearance of conjugated phenolics.
- Taxon
- Oranget0
- Treatment
- Infection of injured tissue by Penicillium digitatum Sacc.e0
- Interactor
- Penicillium digitatum Sacc.Penicillium digitatume0pathogen
- Outcome
- disappearance of conjugated phenolic compoundse0
- Direction
- inhibitse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Infection of injured tissue by Penicillium digitatum Sacc. at 27°C inhibits lignin synthesis and the disappearance of conjugated phenolic compounds”
Claim · model-written summary
Penicillium infection did not interfere with the usual rise in free phenolics.
- Taxon
- Oranget0
- Treatment
- Penicillium digitatum Sacc.e0
- Interactor
- Penicillium digitatum Sacc.Penicillium digitatume0pathogen
- Outcome
- usual increase in free phenolicse0
- Direction
- does not interferee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Penicillium digitatum Sacc. at 27°C inhibits lignin synthesis and the disappearance of conjugated phenolic compounds, but does not interfere with the usual increase in free phenolics”
Claim · model-written summary
P. digitatum mycelium contributed little to phenolic levels in decayed orange tissue.
- Taxon
- Oranget0
- Interactor
- P. digitatumPenicillium digitatume0pathogen
- Outcome
- level of phenolic compounds of decayed fruit tissuee0
- Direction
- littlee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Mycelium of P. digitatum contributes little to the level of phenolic compounds of decayed fruit tissue”
Claim · model-written summary
Free phenolic extracts from healed orange tissue showed no fungistatic activity against P. digitatum spores.
- Taxon
- Oranget0
- Interactor
- P. digitatumPenicillium digitatume0pathogen
- Outcome
- fungistatic activity on P. digitatum sporese0
- Direction
- not exhibite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Extracts of free phenolic substances from healed tissue d) not exhibit fungistatic activity on P. digitatum spores”
Claim · model-written summary
Lignin formation provided a barrier that retarded or inhibited P. digitatum penetration of injured orange tissue.
- Taxon
- Oranget0
- Interactor
- P. digitatumPenicillium digitatume0pathogen
- Outcome
- penetration of injured tissue by P. digitatume0
- Direction
- retards or inhibitse0
- Qualifier
- Lignin formation provides a mechanical barriere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Orange Peel”
e0“Lignin formation provides a mechanical barrier which retards or inhibits penetration of injured tissue by P. digitatum”
The same questions in other papers
Penicillium digitatum · quality: phytochemicals · Citrus sinensis (sweet orange)Positive and negative results
1 in the opposite direction
- positive
infection · quality: phytochemicals · Citrus sinensis (sweet orange)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
infection · molecular: metabolites · Citrus sinensis (sweet orange)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
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.