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词汇 malic acid
释义

Definition of malic acid in English:

malic acid

nounˈmalɪkˌmalik ˈasid
mass noun
  • A crystalline acid present in unripe apples and other fruits.

    〔化〕苹果酸,羟基丁二酸

    Chemical formula: HOOCCH₂CH(OH)COOH

    Example sentencesExamples
    • In some species, there may be oscillations of citric acid in addition to malic acid.
    • The mixture of fruit acids may include citric acid, glycollic acid, lactic acid, malic acid and tartaric acid.
    • This compound is composed of creatine bound to malic acid.
    • And the tangy apple flavour found in most Chardonnays comes primarily from malic acid, the tart acid found in apples.
    • Some products contain citrulline malate, which is simply citrulline attached to malic acid.

Origin

Late 18th century: malic from French malique, from Latin malum 'apple'.

Definition of malic acid in US English:

malic acid

nounˌmalik ˈasid
  • A crystalline acid present in unripe apples and other fruits.

    〔化〕苹果酸,羟基丁二酸

    Chemical formula: HOOCCH₂CH(OH)COOH

    Example sentencesExamples
    • And the tangy apple flavour found in most Chardonnays comes primarily from malic acid, the tart acid found in apples.
    • This compound is composed of creatine bound to malic acid.
    • Some products contain citrulline malate, which is simply citrulline attached to malic acid.
    • The mixture of fruit acids may include citric acid, glycollic acid, lactic acid, malic acid and tartaric acid.
    • In some species, there may be oscillations of citric acid in addition to malic acid.

Origin

Late 18th century: malic from French malique, from Latin malum ‘apple’.

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