Oranges should not be eaten about 1 hour before and after drinking milk. This is because once the protein in milk meets the fruit acids in oranges, coagulation will occur, thus affecting the digestion and absorption of milk, and it is also not advisable to eat other acidic fruits during this time period.

Milk and tea should not be drunk

Milk is rich in calcium ions, and tea in the tannins will hinder the absorption of calcium ions in the stomach.

Milk should not be heated with copper

Copper can accelerate the destruction of vitamin A contained in milk, but also accelerate the loss of nutrients.

Don't use milk to deliver medicine

Milk contains a variety of substances that can make it difficult for medicines to be absorbed by the gastrointestinal tract, and some medicines can even be destroyed by the ions contained in milk, lowering the concentration of medicines in the blood and affecting the course of treatment.

Don't add juice and other acidic beverages in the milk

Milk protein 80% casein, and when the milk is added to too many acidic beverages, a large number of casein will be coagulation, precipitation, difficult to digest and absorb, and may also lead to indigestion or diarrhea.

Milk and sugar should not be heated at the same time

Milk contains lysine and sugar contains fruit acids, two substances at high temperatures in the formation of compounds - lysine fruit acid. This substance can destroy the nutritional value of protein, and worse, there is a certain degree of toxicity to the human body. And sugar and milk after the reaction of the two will reduce the body's absorption rate of calcium, reduce the nutritional value of milk.

Milk should not be added to the calcium

Milk is rich in calcium, "calcium milk", "high calcium milk" are not necessary, and excessive calcium will also be combined with the milk casein coagulants, but to make the loss of nutrition.

Milk and chocolate can not be eaten together

Milk and chocolate at the same time, the combination of substances in the body can not be digested and absorbed, and will lead to dry hair, lusterless, urinary calculi and other symptoms.

Milk and eggs should not be cooked and eat

Eggs in the ovalbumin, can make the milk in the B vitamins lose their role, and can make the body of the enzyme by a certain degree of destruction, and the egg white contained in the substance, can directly affect the body's absorption of protein.