ricin

highly toxic, naturally occurring lectin produced in the seeds of the castor oil plant, Ricinus communis
ChemicalSubstance type_of_chemical_entity Q408668
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ricin

Summary

ricin is a type of chemical entity[1]. ricin ranks in the top 0.59% of type_of_chemical_entity entities by monthly Wikipedia readership (7,931 views/month, #74 of 12,596).[2]

Key Facts

  • ricin's instance of is recorded as type of chemical entity[3].
  • ricin is made of castor bean[4].
  • ricin is a type of protein[5].
  • ricin is a type of lectin[6].
  • ricin's Commons category is recorded as Ricin[7].
  • ricin's color is recorded as white[8].
  • ricin comprises carbon[9].
  • ricin's EC enzyme number is recorded as 3.2.2.22[10].
  • ricin's found in taxon is recorded as Q155867[11].
  • ricin's topic's main category is recorded as Category:Ricin[12].
  • ricin's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[13].
  • ricin's described by source is recorded as Granat Encyclopedic Dictionary[14].
  • ricin's has effect is recorded as ricin exposure[15].
  • ricin's has effect is recorded as allergy[16].
  • ricin's has characteristic is recorded as combustible powder[17].
  • ricin's natural product of taxon is recorded as Q155867[18].
  • ricin's different from is recorded as Risen[19].
  • ricin's subject has role is recorded as chemical warfare agent[20].
  • ricin's subject has role is recorded as protein synthesis inhibitor[21].
  • ricin's subject has role is recorded as toxalbumin[22].
  • ricin's associated hazard is recorded as ricin exposure[23].
  • ricin's safety classification and labelling is recorded as NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response[24].

Why It Matters

ricin ranks in the top 0.59% of type_of_chemical_entity entities by monthly Wikipedia readership (7,931 views/month, #74 of 12,596).[2] ricin has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[25] ricin is known by 10 alternative names across languages and contexts.[26]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  15. [17] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . Medical Subject Headings. Retrieved . wikidata.org.
  19. [21] . cdc.gov. cdc.gov. Provenance: wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . cdc.gov. Retrieved . cdc.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] . Wikidata sitelinks. wikidata.org.
  3. [26] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). ricin. Retrieved May 3, 2026, from https://4ort.xyz/entity/ricin
MLA “ricin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ricin.
BibTeX @misc{4ortxyz_ricin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ricin}}, year = {2026}, url = {https://4ort.xyz/entity/ricin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ricin — https://4ort.xyz/entity/ricin (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ricin · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Has effect ricin exposure, allergy
    Instance of
    Made from material castor bean
    Subclass of protein, lectin
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007538881005171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.