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.