Tuesday, December 31, 2024

Mutarotation: a sugar that spontaneously changes from sweet to bitter


Simple sugars can exist in multiple molecular conformations, some of which have different tastes and optical properties.


Steve Mould's video on optical rotation: https://www.youtube.com/watch?v=975r9a7FMqc


Reaction's video on Mexican Coke: https://www.youtube.com/watch?v=NY66qpMFOYo


Research paper describing enzymatic synthesis of L-glucose: https://nopr.niscpr.res.in/bitstream/123456789/17714/1/JSIR%2061%285%29%20361-365.pdf


D-mannose on Amazon: https://www.amazon.com/Micro-Ingredients-Mannose-Supplement-Soluble/dp/B01L2TFP1Q

My crystals were almost entirely the sweet form, but it is possible that your bag may have the bitter-tasting form to begin with.


D-fructose on Amazon: https://www.amazon.com/Fructose-Fruit-Sugar-16-ZIN/dp/B07DXVSGJT


D-glucose, also known as dextrose, also known as "corn sugar", can be found on Amazon, or beer homebrewing stores.


https://www.patreon.com/c/AppliedScience

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