malic acid

noun

Definition of malic acid

: a crystalline dicarboxylic acid C4H6O5 especially : the levorotatory isomer of malic acid that is found in various fruits (such as apples) and is formed as an intermediate in the Krebs cycle

Examples of malic acid in a Sentence

Recent Examples on the Web The buttery taste that’s found in many Chardonnays is usually a result of malolactic fermentation, a process in which a wine’s tart malic acid is converted into creamy lactic acid. Esther Mobley, SFChronicle.com, "Should JaM Cellars be allowed to monopolize buttery Chardonnay?," 24 Apr. 2020 Steinmetz uses malolactic fermentation, in which the tart apple taste (malic acid) is converted to softer tasting (lactic acid). Kathy Flanigan, Milwaukee Journal Sentinel, "Dry hard ciders used to be the rage in Wisconsin. A new cider maker wants to bring that back," 17 Mar. 2020 Another excellent option is SkinMedica's AHA-BHA Cream, featuring lactic acid, malic acid, and glycolic acid, as well as vitamin C, aloe vera, and soothing squalane oil. Chloe Metzger, Allure, "How to Treat Keratosis Pilaris on the Back of Your Arms," 3 Mar. 2020 To top that off, a bit of lactic acid and malic acid are in the mix, working to resurface the skin and boost collagen production, which also reduces signs of aging. Maya Allen, Marie Claire, "Why Royal Fern's Phytoactive Skin Perfecting Essence Is Worth It," 19 Feb. 2020 The malolactic Ramey mentioned is a secondary fermentation that transforms tart malic acid into softer lactic acid. Dave Mcintyre, Washington Post, "5 things to know about chardonnay, the world’s most popular white wine," 26 July 2019 The mixture is natural (the active ingredients include sodium lauryl sulfate and malic acid) and comes in a stand-up jar. Lauren Piro, Good Housekeeping, "7 Genius Ways to Kill Fruit Flies," 11 July 2018 The mixture is natural (the active ingredients include sodium lauryl sulfate and malic acid) and comes in a stand-up jar. Lauren Piro, Good Housekeeping, "7 Genius Ways to Kill Fruit Flies," 11 July 2018 The mixture is natural (the active ingredients include sodium lauryl sulfate and malic acid) and comes in a stand-up jar. Lauren Piro, Good Housekeeping, "7 Genius Ways to Kill Fruit Flies," 11 July 2018

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

1788, in the meaning defined above

History and Etymology for malic acid

French acide malique, ultimately from Latin malum apple, from Greek mēlon, malon

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Time Traveler for malic acid

Time Traveler

The first known use of malic acid was in 1788

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Cite this Entry

“Malic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malic%20acid. Accessed 30 Sep. 2020.

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More Definitions for malic acid

malic acid

noun

Medical Definition of malic acid

: any of three optical isomers of a crystalline dicarboxylic acid C4H6O5 especially : the one found in various plant juices and formed as an intermediate in the Krebs cycle

More from Merriam-Webster on malic acid

Britannica.com: Encyclopedia article about malic acid

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