Crystals of malic acid, an intermediate in the TCA cycle. This chemical occurs naturally in certain foods giving them a tart flavour and when added to food it is labelled as E296.

  • Gwyneth Thurgood

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Crystals of malic acid, an intermediate in the TCA cycle. This chemical occurs naturally in certain foods giving them a tart flavour and when added to food it is labelled as E296. Gwyneth Thurgood. Source: Wellcome Collection.

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