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Caffeine crystals, light micrograph

Item # 1140004

David Parker

<p>Caffeine crystals. Polarised light micrograph of crystals of caffeine (1,3,7-trimethylxanthine). Caffeine stimulates the central nervous system increasing alertness and deferring fatigue. Caffeine is also a diuretic (increases the removal of water from the body) and has laxative properties. It is widely known for its presence in coffee beans and tea leaves.</p>

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Science Chemistry David Parker Photography