catechin

noun
cat·​e·​chin | \ˈka-tə-ˌkin \

Definition of catechin 

: a crystalline flavonoid compound C15H14O6 or its derivatives having antioxidant properties and used in dyeing and tanning

Examples of catechin in a Sentence

Recent Examples on the Web

Matcha is high in a catechin called EGCG (epigallocatechin gallate), which is believed to have cancer-fighting effects on the body. Alexandra Sifferlin, Time, "Should You Drink Matcha Tea?," 8 Mar. 2018 Green or white tea: These drinks contain compounds called catechins, which block the creation of histamines (the chemicals that cause allergy symptoms). Kim Tranell, Redbook, "Eat These Foods to Fight Allergies," 25 Feb. 2013 Matcha, like other green teas, contains a class of antioxidants called catechins. Alexandra Sifferlin, Time, "Should You Drink Matcha Tea?," 8 Mar. 2018 The polyphenols — especially catechins found in green tea — may stimulate the production and activity of specific cells associated with combating viruses. Theresa Shank, Rd, Ldn, Philly.com, "Philly dietitian shares best defenses against flu season," 29 Jan. 2018 The catechin found in green tea, EGCG3, lends anti-inflammatory properties, along with fellow antioxidants carnosine and bacopa; squalene helps support barrier function. Laura Regensdorf, Vogue, "Introducing the Chic, No-Fuss Skin-Care Line You Need Now," 29 Sep. 2017 The catechin found in green tea, EGCG3, lends anti-inflammatory properties, along with fellow antioxidants carnosine and bacopa Laura Regensdorf, Vogue, "Introducing the Chic, No-Fuss Skin-Care Line You Need Now," 29 Sep. 2017 And while all the plants in the genus Camellia can produce catechin and caffeine, the species commonly used for tea (sinensis) expresses those particular genes at a much higher levels. Jason Daley, Smithsonian, "Researchers Read the Genome in the Tea Leaves," 3 May 2017 The second type of chemical is a class of flavonoid, or plant pigment molecule, called catechins. Ben Guarino, The Denver Post, "The tea plant has a whopper genome, four times that of coffee, scientists find," 2 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catechin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of catechin

1853, in the meaning defined above

History and Etymology for catechin

International Scientific Vocabulary catechu + -in entry 1

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The first known use of catechin was in 1853

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More Definitions for catechin

catechin

noun
cat·​e·​chin | \ˈkat-ə-ˌkin \

Medical Definition of catechin 

: a crystalline compound C15H14O6 that is related chemically to the flavones, is found in catechu, and is used in dyeing and tanning also : a derivative of this compound

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