tannin

class of astringent, bitter plant polyphenolic chemical compounds
ChemicalSubstance structural_class_of_chemical_entities Q187607
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tannin

Summary

tannin is a structural class of chemical entities[1]. tannin ranks in the top 2% of structural_class_of_chemical_entities entities by monthly Wikipedia readership (2,138 views/month).[2]

Key Facts

  • tannin's instance of is recorded as structural class of chemical entities[3].
  • tannin is a type of tanning agent[4].
  • tannin is a type of polyphenol[5].
  • tannin is used for tanning[6].
  • tannin is used for ink[7].
  • tannin is used for bitter substance[8].
  • tannin is used for food coloring[9].
  • tannin is used for teeth blackening[10].
  • tannin is used for food additive[11].
  • tannin's Commons category is recorded as Tannins[12].
  • tannin's topic's main category is recorded as Category:Tannins[13].
  • tannin's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[14].
  • tannin's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[15].
  • tannin's described by source is recorded as The Nuttall Encyclopædia[16].
  • tannin's described by source is recorded as Small Brockhaus and Efron Encyclopedic Dictionary[17].
  • tannin's described by source is recorded as Encyclopædia Britannica 11th edition[18].
  • tannin's described by source is recorded as The New Student's Reference Work[19].
  • tannin's has characteristic is recorded as bitterness[20].
  • tannin's natural product of taxon is recorded as quebracho tree[21].
  • tannin's different from is recorded as Q21409180[22].
  • tannin's different from is recorded as tanning agent[23].
  • tannin's MCN code is recorded as 3201.90.20[24].

Why It Matters

tannin ranks in the top 2% of structural_class_of_chemical_entities entities by monthly Wikipedia readership (2,138 views/month).[2] tannin has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[25] tannin is known by 51 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] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . 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] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . 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). tannin. Retrieved May 3, 2026, from https://4ort.xyz/entity/tannin
MLA “tannin.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/tannin.
BibTeX @misc{4ortxyz_tannin_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{tannin}}, year = {2026}, url = {https://4ort.xyz/entity/tannin}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): tannin — https://4ort.xyz/entity/tannin (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/tannin · 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. 2d ago · Twofivesixbot bot · 2026-05-18 view diff on Wikidata ↗
    Has characteristic bitterness
    Natural product of taxon quebracho tree
    Topic's main category Category:Tannins
    Described by source Brockhaus and Efron Encyclopedic Dictionary, Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia +3
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 8755, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.