lutein

chemical compound
ChemicalSubstance type_of_chemical_entity Q422067
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lutein

Summary

lutein is a type of chemical entity[1]. lutein ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (241 views/month).[2]

Key Facts

  • lutein's instance of is recorded as type of chemical entity[3].
  • lutein's chemical structure is recorded as Luteine - Lutein.svg[4].
  • lutein's CAS Registry Number is recorded as 127-40-2[5].
  • lutein's EC number is recorded as 204-840-0[6].
  • lutein's canonical SMILES is recorded as CC1=C(C(CC(C1)O)(C)C)C=CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC2C(=CC(CC2(C)C)O)C)C)C[7].
  • lutein's InChI is recorded as InChI=1S/C40H56O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-25,35-37,41-42H,26-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+/t35-,36+,37-/m0/s1[8].
  • lutein's InChIKey is recorded as KBPHJBAIARWVSC-RGZFRNHPSA-N[9].
  • lutein's chemical formula is recorded as C₄₀H₅₆O₂[10].
  • lutein's subclass of is recorded as xanthophyll[11].
  • lutein's subclass of is recorded as (1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol[12].
  • lutein's subclass of is recorded as (1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohex-2-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol[13].
  • lutein's part of is recorded as zeinoxanthin epsilon hydroxylase activity[14].
  • lutein's part of is recorded as lutein metabolic process[15].
  • lutein's part of is recorded as lutein biosynthetic process[16].
  • lutein's part of is recorded as lutein catabolic process[17].
  • lutein's has use is recorded as food coloring[18].
  • lutein's Commons category is recorded as Lutein[19].
  • lutein's MeSH descriptor ID is recorded as D014975[20].
  • lutein's ChEMBL ID is recorded as CHEMBL1979448[21].
  • lutein's E number is recorded as E161b[22].
  • lutein's Freebase ID is recorded as /m/06xwy1[23].
  • lutein's UNII is recorded as X72A60C9MT[24].
  • lutein's ChemSpider ID is recorded as 4519703[25].
  • lutein's PubChem CID is recorded as 5281243[26].
  • lutein's KEGG ID is recorded as C08601[27].

Why It Matters

lutein ranks in the top 4% of type_of_chemical_entity entities by monthly Wikipedia readership (241 views/month).[2] lutein has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28] lutein is known by 20 alternative names across languages and contexts.[29]

References

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

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . DrugBank. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . ChEBI release 2020-09-01. wikidata.org.
  8. [10] . PubChem. Retrieved . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . geneontology.org. Retrieved . geneontology.org. Provenance: wikidata.org.
  13. [15] . Gene Ontology release 2022-07-01. wikidata.org.
  14. [16] . Gene Ontology release 2022-07-01. wikidata.org.
  15. [17] . Gene Ontology release 2022-07-01. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . ChEMBL. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . DrugBank. Retrieved . wikidata.org.
  23. [25] . Q2311683. Retrieved . wikidata.org.
  24. [26] . PubChem. Retrieved . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). lutein. Retrieved May 3, 2026, from https://4ort.xyz/entity/lutein
MLA “lutein.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lutein.
BibTeX @misc{4ortxyz_lutein_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lutein}}, year = {2026}, url = {https://4ort.xyz/entity/lutein}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lutein — https://4ort.xyz/entity/lutein (retrieved 2026-05-03)

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