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Electrolysis of saliva - what is produced?

JF Electronics
in Physics

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I was recently trying out a (very) small electrolysis experiment. It is literally a bottle cap with two nails inserted, connected to a 12v power supply. If I pour a bit of water into the experiment, it does what I expect.

 

However, once I was feeling a bit lazy and couldn't bother to collect some water. So I decided to just spit into the experiment. And when I tried it, it started to produce this weird white liquid. A few seconds later, red blobs started appearing and it started to get harder.

 

So my question is - what is this stuff? Is it splitting the elements of saliva like it does with water, or does the saliva somehow react weirdly to electricity?

what is this stuff?

 

My educated guess would be it is the enzyme (amylase) found in saliva denaturing due to a condition change, perhaps the change in charge?

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