Intervention effectmodel-written summary

After shelf life, 1-MCP reduced total aroma by 35.3%.

A claim from Effects of DPA and 1-MCP on fruit quality and aroma component of Fuji Apple · 2008

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

After shelf life, 1-MCP reduced total aroma by 35.3%.

Treatment
1-MCP with CA storagee0
Outcome
total aroma componente0
Direction
reducede0
Value
35.3%e0
Comparator
control groupe0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor 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

e0

“After ten days' shelf life,the total aroma component of the apple treated by DPA with CA storage and 1-MCP with CA storage reduced 72.5% and 35.3% compared with that of the control group”

✓ located verbatim in the source · abstract, characters 863–1049

Title

Effects of DPA and 1-MCP on fruit quality and aroma component of Fuji Apple

Hong Zhang Journal of Shaanxi Normal University 2008

Other claims from this paper (10)

Record rev-030d734aaa395db9f2660131652900fd1de39dce0bd630e10160fe0cc84fdab8 · schema claims-v0.9 · position 10 in the model’s answer

1-methylcyclopropene · quality: phytochemicals · Malus domestica (apple)Results differ

31 papers: 18 positive, 13 negative or no effect

12 papers in the same direction as this claim · 18 in the opposite direction

  1. positive
    1-MCP inhibited total volatile and ∝-farnesene emission alongside ethylene inhibition.

    Inhibitory effect of 1-MCP on ripening and superficial scald development in ‘McIntosh’ and ‘Delicious’ apples · 2000

    Opposite direction

  2. positive
    1-MCP increased lipid soluble antioxidant activity relative to other treatments.

    Effect of Heat or 1-Methylcyclopropene on Antioxidative Enzyme Activities and Antioxidants in Apples in Relation to Superficial Scald Development · 2003 · compared with other treatments

    Opposite direction

  3. positive
    Golden Delicious had a 32% rather than 57% phenolic reduction with 1-MCP compared with controlled atmosphere storage alone.

    Effect of storage conditions on phenolic composition, vitamin C and antioxidant activity of 'Golden Delicious' and 'Red Delicious' apples · 2024 · compared with storage under controlled atmosphere without 1-MCP treatment

    Opposite direction

  4. positive
    Combined NC-1 and 1-MCP retained higher ascorbic acid, titratable acid and soluble solid content.

    Combination of carnauba wax‐based coating and 1‐methylcyclopropene (1‐MCP) maintains better “Fuji” apple qualities during storage at low temperature · 2020

    Opposite direction

  5. positive
    1-MCP treatment increased vitamin C content of apples in the second storage season.

    Effect of 1-MCP treatment on apple biochemical content and physiological disorders · 2007

    Opposite direction

  6. positive
    1-MCP-treated apples had higher antioxidant capacity than untreated fruit after storage.

    Influence of 1-Methylcyclopropene Treatment on Postharvest Quality of Four Scab (Venturia inaequalis)-Resistant Apple Cultivars · 2017 · compared with nontreated fruits

    Opposite direction

  7. positive
    1-MCP treatment raised peel phenolic acid and flavonol content relative to untreated fruit, especially after 20 weeks of ULO storage.

    Influence of 1-Methylcyclopropene on the Antioxidants of ‘Red Cap’ Apples during Transportation and Shelf Life · 2021 · compared with untreated fruit

    Opposite direction

  8. positive
    Some treated cultivars had 10-30% higher vitamin C content.

    EFFECT OF 1-MCP TREATMENT ON THE QUALITY OF SOME APPLE VARIETIES IN RA AND CA · 2010

    Opposite direction

22 papers more in this group

See all 31 papers →

storage · quality: phytochemicals · Malus domestica (apple)Positive and negative results

41 papers: 20 positive, 21 negative or no effect

20 papers in the same direction as this claim · 20 in the opposite direction

  1. positive
    A partial recovery of aroma production was observed when CA fruits were subsequently stored 14 days under cold storage conditions.

    Relationship between a Reduced Aroma Production and Lipid Metabolism of Apples after Long-term Controlled-atmosphere Storage · 1993

    Opposite direction

  2. positive
    DCA apples had two to four times more total aroma compounds than apples given 1-MCP and ULO storage.

    Impact of Innovative Controlled Atmosphere Storage Technologies and Postharvest Treatments on Volatile Compound Production in Cv. Pinova Apples · 2009 · compared with 1-MCP + ULO

    Opposite direction

  3. positive
    Vibration and storage increased polyphenol content and antioxidant capacity in all cultivars.

    The Effect of Mechanical Vibration during Transport under Model Conditions on the Shelf-Life, Quality and Physico-Chemical Parameters of Four Apple Cultivars · 2021

    Opposite direction

  4. positive
    Chitosan–caseinate coating preserved antioxidant capacity during storage.

    Biopolymer Coatings as Alternative to Modified Atmosphere Packaging for Shelf Life Extension of Minimally Processed Apples · 2019

    Opposite direction

  5. positive
    Combined NC-1 and 1-MCP retained higher ascorbic acid, titratable acid and soluble solid content.

    Combination of carnauba wax‐based coating and 1‐methylcyclopropene (1‐MCP) maintains better “Fuji” apple qualities during storage at low temperature · 2020

    Opposite direction

  6. positive
    Ascorbic acid content was maximum in the coated apple fruit (T4), 7.93 versus 6.82 for the control.

    Shelf life assessment of apple fruit coated with aloe vera gel and calcium chloride · 2019 · compared with control (untreated)

    Opposite direction

  7. positive
    All treatments additional to controlled atmosphere storage gave higher total phenolic compound content and total antioxidant activity than the control.

    Quality of “Cripps Pink” apples following the application of 1‐MCP, ethanol vapor and nitric oxide as pretreatments for controlled atmosphere storage · 2021 · compared with the control

    Opposite direction

  8. positive
    In 2016, storage increased cider polyphenol concentration.

    Management of Apple Maturity and Postharvest Storage Conditions to Increase Polyphenols in Cider · 2019

    Opposite direction

32 papers more in this group

See all 41 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.