Surface of a lemon peel (Citrus limon), coloured scanning electron micrograph (SEM). Lemons are a rich source of Vitamin C and the fruit juice is used

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Surface of a lemon peel (Citrus limon), coloured scanning electron micrograph (SEM). Lemons are a rich source of Vitamin C and the fruit juice is used for culinary and non-culinary purposes throughout the world. Lemons are used as commercial source of citric acid and ascorbic acid. The outer rind (lemon peel) contains zest cells (not seen in this surface view) that are specialized epidermal cells known as trichomes. These trichomes are glandular trichomes that secret an oil that gives lemon peel its tangy flavour. The essential oils or 'essence' is obtained from the peel and is used in the perfume industry. Magnification: x1,065 when shortest axis printed at 25 millimetres.

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Size: 2560px × 3413px
Photo credit: © DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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