Methyl jasmonate reported from jasmine, 1962

Two plant-biology reviews date it so, citing Demole and co-workers. Its relative, methyl dihydrojasmonate, is the fresh floral of the teaching white-floral accord.

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The record

Each field carries its evidence: open a chip for the source, the quoted words and the confidence. A field with nothing behind it says so and stays empty.

Date

1962 (year)

documented

MeJA was first discovered in 1962 and was extracted from Royal Jasmine by Demole

JAS-3 · Wu et al. (2024). Effects of Jasmonic Acid on Stress Response and Quality Formation in Vegetable Crops and Their Underlying Molecular Mechanisms · read 2026-09-30
JAS-4 · Sohn et al. (2022). Jasmonates in plant growth and development and elicitation of secondary metabolites: An updated overview · read 2026-09-30

JAS-4 gives the same year, citing Demole et al. 1962 (Jasminum grandiflorum)

confidence A

Label

documented (a source states it)

house label

the house’s own reading, labelled as such

one of the four labels the site gives a reconstruction, chosen from what the cited source itself says

confidence B

Kind

isolation

house classification

the house’s own reading, labelled as such

the house’s grouping of events for the timeline

confidence B

What happened

The isolation of methyl jasmonate from jasmine (Jasminum grandiflorum, “Royal Jasmine”) is reported (Demole and co-workers).

documented

MeJA was first discovered in 1962 and was extracted from Royal Jasmine by Demole

JAS-3 · Wu et al. (2024). Effects of Jasmonic Acid on Stress Response and Quality Formation in Vegetable Crops and Their Underlying Molecular Mechanisms · read 2026-09-30
JAS-4 · Sohn et al. (2022). Jasmonates in plant growth and development and elicitation of secondary metabolites: An updated overview · read 2026-09-30

confidence A

Place

not on record

not on record

no place on record for this event

People

• Demole and co-workers (chemists)
  documented

  MeJA was first discovered in 1962 and was extracted from Royal Jasmine by Demole

  JAS-3 · Wu et al. (2024). Effects of Jasmonic Acid on Stress Response and Quality Formation in Vegetable Crops and Their Underlying Molecular Mechanisms · read 2026-09-30

  confidence A

Molecules

• (-)-Methyl jasmonate

Botanicals

• Jasminum grandiflorum L.

Teaching accords

• A white floral, indolic

Sources

1. JAS-3 · Wu J, Chen Y, Xu Y, An Y, Hu Z, Xiong A, Wang G. Effects of Jasmonic Acid on Stress Response and Quality Formation in Vegetable Crops and Their Underlying Molecular Mechanisms. Plants (Basel) 2024;13(11):1557. DOI 10.3390/plants13111557. PMID 38891365. PMCID PMC11175075. doi.org/10.3390/plants13111557 · read 2026-09-30 · CC BY 4.0
2. JAS-4 · Sohn SI, Pandian S, Rakkammal K, Largia MJV, Thamilarasan SK, Balaji S, Zoclanclounon YAB, Shilpha J, Ramesh M. Jasmonates in plant growth and development and elicitation of secondary metabolites: An updated overview. Frontiers in Plant Science 2022;13:942789. DOI 10.3389/fpls.2022.942789. PMID 36035665. PMCID PMC9407636. doi.org/10.3389/fpls.2022.942789 · read 2026-09-30 · CC BY 4.0

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this record as data: /data/event/methyl-jasmonate-1962.json · version 3 · updated 2026-09-30 · confidence A