False-colour SEM of caffeine crystals

False-colour SEM of caffeine crystals

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: False-colour scanning electron micrograph of crystals of caffeine, a bitter alkaloid responsible for the stimulant action of tea, coffee and cocoa. Magnification: x 200 at 6x4.5cm size. Green and brown version

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Keywords: caffeine, chemical, chemistry, compound, compounds, crystal, crystals, false-coloured

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