Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Tannin

Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term tannin is widely applied to any large polyphenolic compound containing sufficient hydroxyls and other suitable groups (such as carboxyls) to form strong…

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Tannin. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Structure and classes of tannins

History

Occurrence

Extraction

Tests for tannins

Food items with tannins

Properties for animal nutrition

Tannin uses and market

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Tannin

Nodes204
Edges203
Triples159
Avg. degree1.99
Density0.009804
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Tannin

Top relations

related to Occurrence · 29
Tannin → Aceraceae, Actinidiaceae, Anacardiaceae, Asteraceae, Bixaceae, Boraginaceae, Burseraceae, Combretaceae, Cronquist, Cucurbitaceae, Dipterocarpaceae, Ericaceae, Fagaceae, For, Grossulariaceae, Mimosaceae, Mole, Monocot, Most, Myricaceae
related to history · 11
Tannin → Arthur George Perkin, Ellagic, He, Henri Braconnot, Julius Löwe, Maximilian Nierenstein, Nierenstein, Penicillium, Tannase, Terminalia, Working
related to Reaction with phenolic rings · 11
Tannin → Colorimetric, Commiphora, Deijs, Feldmann's, For, Löwenthal, Löwenthal's, Löwenthal-Procter, Neubauer, Neubauer-Löwenthal, The
related to External links · 10
Tannin → CUP Archive, Edwin, Haslam, ISBN, MB, PDF, Plant Polyphenols, Tannin Chemistry, Tannins, Vegetable Tannins Revisited
related to Ferric chloride test · 7
Tannin → Alternatively, Evans, FeCl3, Powdered, Production, The, Two
related to Presence in soils · 7
Tannin → Agathis, As, Besides, Leaf, New Zealand, Tannins, The
related to Nuts · 6
Tannin → For, Nuts, Other, Poland, Quercus, Some
related to Presence in water and wood · 6
Tannin → Many, Raising, Tannins, The, Using, Water
related to Drinks with tannins · 5
Tannin → Coffee, Most, Principal, Soils, This
related to Structure and classes of tannins · 5
Tannin → Oligostilbenoids, Particularly, Shown, There, Typically

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

tannins water contain used proteins plant acid species compounds found method citation needed oak leather precipitate tanning color condensed also

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Tanninis acomponent in a type of industrial particleboard adhesive developed jointly by the Tanzania Industrial Research and Development Organization and Forintek Labs Canada0.90text
waxesinstance ofthe plant also bears substances0.80text
phenolsinstance ofthe plant also bears substances0.80text
most notably tanninsinstance ofthe plant also bears substances0.80text
that are harmful to microorganisms.Presence in waterinstance ofthe plant also bears substances0.80text
woodThe leaching of highly water-soluble tannins from decaying vegetationinstance ofthe plant also bears substances0.80text
leaves along a stream may produce what is known as a blackwater riverinstance ofthe plant also bears substances0.80text
that are harmful to microorganismsinstance ofthe plant also bears substances0.80text
caffeineinstance ofand depolymerization.Alkaloid precipitationAlkaloids0.80text
cinchonineinstance ofand depolymerization.Alkaloid precipitationAlkaloids0.80text
quinine or strychnineinstance ofand depolymerization.Alkaloid precipitationAlkaloids0.80text
precipitates polyphenolsinstance ofand depolymerization.Alkaloid precipitationAlkaloids0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.