It may be that jujube was sprayed with preservatives during drying, which caused the bitter taste of jujube. You can't find the problem by eating red dates raw. This kind of red dates is not edible. ?

Lycium barbarum should wait until the porridge is sticky before putting it in. When the porridge is boiled, it will be cooked. Lycium barbarum cooked for a long time will destroy nutrition and taste bad.

Rice and millet, whether fresh or not, should not have black mold and yellow germ. Otherwise, it will make porridge taste bad.