Intervention effectmodel-written summary

1-MCP reduced DPA loss from apple peel, leaving 25% more DPA after 12 weeks.

A claim from 1-Methylcyclopropene Interactions with Diphenylamine on Diphenylamine Degradation, α-Farnesene and Conjugated Trienol Concentrations, and Polyphenol Oxidase and Peroxidase Activities in Apple Fruit · 2005

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

1-MCP reduced DPA loss from apple peel, leaving 25% more DPA after 12 weeks.

Organ / stage
peel tissuee0
Treatment
1-MCPe0
Outcome
rate of DPA loss from peel tissuee0
Direction
reducede0
Value
25%e0
Comparator
untreated fruite0

Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Malus domestica
Malus domestica · TaxonW.carter · CC0 · Wikimedia Commons ↗

Verbatim

t0

“Apple Fruit”

✓ located verbatim in the source · title, characters 186–197
e0

“1-MCP reduced the rate of DPA loss from peel tissue so that by 12 weeks of storage concentrations of the chemical were 25% higher than in untreated fruit”

✓ located verbatim in the source · abstract, characters 848–1001

Title

1-Methylcyclopropene Interactions with Diphenylamine on Diphenylamine Degradation, α-Farnesene and Conjugated Trienol Concentrations, and Polyphenol Oxidase and Peroxidase Activities in Apple Fruit

J. M. R. Apollo Arquiza; Anthony G. Hay; Jacqueline F. Nock; et al. Journal of Agricultural and Food Chemistry 2005. doi:10.1021/jf0511603

Other claims from this paper (5)

Record rev-f98e5fff508959053b39935870b1c856443ebd1a559d16374ff8bd20f8ad28a2 · schema claims-v0.9 · position 1 in the model’s answer

1-methylcyclopropene · molecular: metabolites · Malus domestica (apple)Results differ

52 papers: 37 positive, 15 negative or no effect

36 papers in the same direction as this claim · 15 in the opposite direction

  1. positive
    Procyanidin content in the insoluble fraction of juice was higher in juice from apples treated with 1-MCP.

    Effect of 1-methylcyclopropene postharvest treatment apple and storage on the cloudy juices properties · 2014

    Same directionCites this paper

  2. no effect
    1-MCP had no significant effect on retarding the decline in acid content.

    Harvest Maturity, Storage Temperature, and 1-MCP Application Frequency Alter Firmness Retention and Chlorophyll Fluorescence of `Redchief Delicious' Apples · 2001

    Opposite direction

  3. no effect
    Soluble solids content was not affected by 1-MCP.

    The Influence of 1-Methylcyclopropene on `Cortland' and `McIntosh' Apple Quality Following Long-term Storage · 2004

    Opposite direction

  4. no effect
    1-MCP did not affect flavonols and flavan-3-ols.

    Postharvest Variation in Apple (Malus × domestica Borkh.) Flavonoids following Harvest, Storage, and 1-MCP Treatment · 2006

    Opposite direction

  5. negative
    1-MCP inhibited straight chain ester biosynthesis more than branched chain ester biosynthesis.

    Impact of Innovative Controlled Atmosphere Storage Technologies and Postharvest Treatments on Volatile Compound Production in Cv. Pinova Apples · 2009 · compared with branched-chain esters

    Opposite direction

  6. negative
    At 13°C, the effects of 1-MCP on Sunrise apples were significantly impaired.

    Studies on elevated temperature, short-term storage of ‘Sunrise’ Summer apples using 1-MCP to maintain quality · 2005

    Opposite direction

  7. negative
    Propyl esters were inhibited more than other esters after irradiation or MCP.

    Impacts of Ionizing Radiation on Volatile Production by Ripening Gala Apple Fruit · 2000 · compared with other esters

    Opposite direction

  8. no effect
    Free spermidine titers did not differ significantly overall.

    Interrelationship between polyamine and ethylene in 1‐methylcyclopropene treated apple fruits after harvest · 2006 · compared with without 1‐MCP treatment

    Opposite direction

43 papers more in this group

See all 52 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.