The specific reason is not conclusive, now there is a guess because the banana is rich in magnesium ions, the taste of magnesium ions in the mouth after consuming bananas residual taste of magnesium ions, after consuming refreshing winter jujube, highlighting the magnesium ions of fishy taste. And everyone's consumption feeling is not the same.?

It has been proved that whether you eat bananas and then eat winter jujube, or eat winter jujube and then eat bananas, or winter jujube and bananas together, there will be fishy, strange taste, but the severity of the fishy taste is not the same, according to the degree of lightness in the order of severity, first eat winter jujube in eating bananas the lightest, winter jujube and bananas together with bananas and eat bananas and then eat winter jujube the severity of the degree of about the same.?

While the taste of bananas and jujubes eaten together is somewhat unspeakable, but fortunately the taste lasts not long, generally ten minutes will slowly dissipate, if you want to remove the taste faster, you can choose to use some mouthwash or drink more water, the residual taste in the mouth to discharge or rinse off.

Expanded

Eating bananas and jujubes at the same time, why do some people feel the fishy odor, some people do not have much feeling? In this regard, a college biology teacher speculated that it may be related to the different amount of salivary amylase in each person's mouth.

It is understood that salivary amylase is the role of soluble starch, straight-chain starch, glycogen and other α-1,4-glucan, hydrolyze α-1,4-glycosidic bond enzyme, the United States Monell Center (Monell Center) in 2010, a study showed that different subjects in the starch content of the food produced by the amount of salivary amylase makes a difference in taste.

Source? Baidu Encyclopedia - Internet rumors of bananas with dates, a bite down? Reporter experiment: different people feel different