CATECHIN

Pronunciation (US):

(GB):

 Dictionary entry overview: What does catechin mean? 

• CATECHIN (noun)
  The noun CATECHIN has 1 sense:

1. a tannic acid that is extracted from black catechu as a white crystalline substance

  Familiarity information: CATECHIN used as a noun is very rare.

 Dictionary entry details 

• CATECHIN (noun)

Sense 1

Meaning:

A tannic acid that is extracted from black catechu as a white crystalline substance

Classified under:

Nouns denoting substances

Hypernyms ("catechin" is a kind of...):

tannic acid; tannin (any of various complex phenolic substances of plant origin; used in tanning and in medicine)

 Context examples 

A dietary supplement containing a green tea extract including the catechin epigallocatechin gallate and other vitamins and antioxidants, with potential antineoplastic and chemopreventive activities.

(Green Tea Extract-based Antioxidant Supplement, NCI Thesaurus)

The polyphenol fraction contains mainly Epigallocatechin-3-gallate (EGCG) and other catechins, such as epicatechin (EC), gallocatechin gallate (GCG), epigallocatechin (EGC), and epicatechin gallate (ECG).

(Green Tea, NCI Thesaurus)

Guarana supplement contains various phytochemicals, including caffeine, theobromine, theophylline, tannins, saponins, catechins, epicatechins, proanthocyanidols and other compounds in minor concentrations.

(Guarana Supplement, NCI Thesaurus)

Catechins, polyphenolic antioxidant plant metabolites or flavonoids, comprise most of the drug substance in kunecatechins with epigallocatechin gallate (EGCG) present as the primary catechin.

(Kunecatechins Ointment, NCI Thesaurus)

A catechin with a hydroxyl group at C-5'.

(Gallocatechin, NCI Thesaurus/CRCH)

A catechin with the R configuration at C-2 and C-3.

(Epicatechin, NCI Thesaurus/CRCH)

A catechin is a type of antioxidant.

(Catechin, NCI Dictionary)

The primary catechins found in green tea are epicatechin (EC), epigallocatechin (EGC), epicatechin-3 gallate (ECG), and epigallocatechin-3-gallate (EGCG), the most potent.

(Defined Green Tea Catechin Extract, NCI Thesaurus)

It is made from decaffeinated green tea, and contains chemicals called catechins, which are antioxidants.

(Defined Green Tea Catechin Extract, NCI Dictionary)

Catechins may inhibit basic functions of human papillomavirus (HPV), counteract specific changes in tumor cells, affect cell signaling, and stimulate the immune system.

(Kunecatechins Ointment, NCI Thesaurus)