<![CDATA[TIL about "spinach teeth", the chalkly feeling on teeth after eating cooked spinach.]]>TIL about "spinach teeth", the chalkly feeling on teeth after eating cooked spinach. When spinach is cooked, the cell walls break down and release oxalic acid, which binds with calcium in saliva to make calcium oxalate crystals, which can stick to teeth for a few hours after eating.

https://www.prairiedental.com/blog/spinach-teeth-explained/

https://www.reddit.com/r/todayilearned/comments/1s8tlgr/til_about_spinach_teeth_the_chalkly_feeling_on/

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