Rice water in milk
Have you ever thought that your milk contained more than it was letting on? Well, it seems there’s a chance that it could actually be adulterated with rice water, according to one test. The hypothesis was tested by adding seaweed to a glass of milk, an experiment which resulted in the liquid turning blue.
This is based on a well-known piece of science that states the presence of starch will turn things blue when mixed with iodine. Rice water naturally contains starch, and seaweed is apparently a good source of iodine. However, rice water is rarely used in milk over here.
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