Thanks to the mint flavor of your toothpaste, almost everything is less tasty, but the effect on orange juice is very extreme. How is that possible?
It's not because of the taste
It's not because of the mint flavor of your toothpaste, the real culprit is sodium lauryl sulfate, which makes your toothpaste foam, but it also affects your taste buds.
The effect of sodium lauryl sulfate on your taste buds
SLS ensures that sweet flavors are less easy to taste, at the same time it makes bitter flavors easier to taste. When you take a sip of orange juice after brushing your teeth, you will not taste the sweet taste, while the bitter taste can be tasted extra well.