{
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "id": "methyl-jasmonate-1962",
 "type": "HistoricalEvent",
 "version": 1,
 "updated": "2026-09-30",
 "station": 12,
 "confidence": "A",
 "sources": [
  "JAS-1"
 ],
 "title": "Methyl jasmonate reported from jasmine, 1962",
 "date": {
  "value": "1962",
  "precision": "year",
  "year": 1962,
  "evidence": "documented",
  "source": "JAS-1",
  "where": "docs/sources/JAS-1-zhou-2025-jasmonate-signalling.md:15",
  "quote": "The isolation and purification of methyl jasmonate (MeJA) from the flowers of Royal Jasmine (Jasminum grandiflorum) … reported in 1962 (Demole et al.",
  "confidence": "A"
 },
 "kind": "isolation",
 "what": {
  "value": "The isolation of methyl jasmonate from the flowers of Jasminum grandiflorum is reported (Demole and co-workers).",
  "evidence": "documented",
  "source": "JAS-1",
  "where": "docs/sources/JAS-1-zhou-2025-jasmonate-signalling.md:15",
  "quote": "The isolation and purification of methyl jasmonate (MeJA) from the flowers of Royal Jasmine (Jasminum grandiflorum) … reported in 1962 (Demole et al.",
  "confidence": "A"
 },
 "label": "documented",
 "place": {
  "value": null,
  "evidence": null,
  "source": null,
  "where": null,
  "confidence": null,
  "note": "no place on record for this event"
 },
 "actors": [
  {
   "name": "Demole and co-workers",
   "role": "chemists",
   "perfumer": null,
   "evidence": "documented",
   "source": "JAS-1",
   "where": "docs/sources/JAS-1-zhou-2025-jasmonate-signalling.md:15",
   "quote": "The isolation and purification of methyl jasmonate (MeJA) from the flowers of Royal Jasmine (Jasminum grandiflorum) … reported in 1962 (Demole et al.",
   "confidence": "A"
  }
 ],
 "disagreements": [],
 "molecules": [
  "methyl-jasmonate"
 ],
 "materials": [],
 "botanicals": [
  "jasminum-grandiflorum"
 ],
 "origins": [],
 "perfumers": [],
 "fragrances": [],
 "regulations": [],
 "accords": [
  "white-floral-teaching-accord"
 ],
 "media": [],
 "links": {
  "essay": "/history#mega-timeline"
 },
 "copy": {
  "lede": "In 1962 the isolation of methyl jasmonate from jasmine flowers was reported.",
  "body": [
   "A plant-biology review dates it so, citing Demole and co-workers. Its relative, methyl dihydrojasmonate, is the fresh floral of the teaching white-floral accord."
  ]
 }
}