“Caffeine crystalsANNIE CAVANAGH AND DAVID MCCARTHY This false-coloured scanning electron micrograph shows caffeine crystals. Caffeine is a bitter, crystalline xanthine alkaloid that acts as a stimulant drug. In plants, caffeine functions as a defence mechanism. Found in varying quantities in the seeds, leaves and fruit of some plants, caffeine acts as a natural pesticide that paralyses and kills certain insects feeding on the plant. The main crystals of caffeine were 400-500 microns long; however, this crystal group formed on the end of the larger crystal and measures around 40 microns in length.”

“Caffeine crystals
ANNIE CAVANAGH AND DAVID MCCARTHY

This false-coloured scanning electron micrograph shows caffeine crystals. Caffeine is a bitter, crystalline xanthine alkaloid that acts as a stimulant drug. In plants, caffeine functions as a defence mechanism. Found in varying quantities in the seeds, leaves and fruit of some plants, caffeine acts as a natural pesticide that paralyses and kills certain insects feeding on the plant. The main crystals of caffeine were 400-500 microns long; however, this crystal group formed on the end of the larger crystal and measures around 40 microns in length.”

11 months ago  898 notes
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    So, not only is the caffeine in your Starbucks or energy drink (Mona Vie EMV is the only one I’ll drink) a stimulant,...
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    Still gonna drink it tho
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    A lot of the nutrients and useful compounds in your food are actually there because they discourage insects from eating...
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