heme

noun
\ ˈhēm How to pronounce heme (audio) \

Definition of heme

: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin

Examples of heme in a Sentence

Recent Examples on the Web Impossible Foods gets heme — the protein that gives meat its flavor and texture — from soy leghemoglobin, which is found in the roots of soy plants. CBS News, "Impossible Foods serving up fake sausage and pork," 7 Jan. 2020 Impossible Foods gets heme — the protein that gives meat its flavor and texture — from soy leghemoglobin, which is found in the roots of soy plants. Author: Dee-ann Durbin, Anchorage Daily News, "The other fake meat: Impossible Foods unveils pork, sausage," 7 Jan. 2020 Beyond uses beet juice to achieve that effect and Impossible uses the additive heme. Edvige Jean-françois, CNN, "Could fake meat burgers make cows obsolete?," 22 Aug. 2019 Some scientists have raised concerns over Impossible’s use of heme, which amplifies the beefy flavor in the patties. Janelle Bitker, SFChronicle.com, "Four ethical questions about plant-based ‘meat’," 2 Oct. 2019 But Impossible Foods has been working with the FDA to get soy leghemoglobin approved as an additive, too, separately from the approval for heme. Kelsey Piper, Vox, "Impossible Burgers just cleared a big regulatory hurdle. They might be sold in stores as soon as next month.," 1 Aug. 2019 Impossible Foods has, however, used animal testing in the past to evaluate the safety of its heme protein. Savannah Eadens, The Courier-Journal, "Looking for the Impossible Burger in Louisville? We made it possible," 17 May 2017 This occurs because of a compound called heme, which is found in plants and meat. Ashley Carman, The Verge, "Burger King’s nationwide rollout of the Impossible Whopper starts next week," 1 Aug. 2019 Color Additive Soy leghemoglobin, or heme, is the ingredient that gives the Impossible Burger its essential meat-like flavor. Deena Shanker, Fortune, "Impossible Foods Moves Closer to Selling its Faux Meat in Groceries," 31 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heme.' 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 heme

1925, in the meaning defined above

History and Etymology for heme

International Scientific Vocabulary, from hematin

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Statistics for heme

Last Updated

17 Jan 2020

Cite this Entry

“Heme.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/heme. Accessed 21 January 2020.

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More Definitions for heme

heme

noun
variants: or chiefly British haem \ ˈhēm How to pronounce haem (audio) \

Medical Definition of heme

: the deep red iron-containing prosthetic group C34H32N4O4Fe of hemoglobin and myoglobin that is a ferrous derivative of protoporphyrin and readily oxidizes to hematin or hemin

called also protoheme

More from Merriam-Webster on heme

Britannica.com: Encyclopedia article about heme

Comments on heme

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