Preserved egg and lean meat porridge is not good for the elderly to eat too much

　　Preserved eggs are alkaline, and alkalinity can increase the viscosity of rice porridge, so the cooked porridge is thicker. However, at the same time, these alkaline substances will also cause a large loss of vitamin B1 in rice and lean meat. Vitamin B1 itself is not easily decomposed by heat, but when it encounters alkali, it becomes very sensitive to heat. The long time and high temperature of cooking porridge are enough to degrade most of the vitamin B1 in rice and lean meat.

　　In particular, rice and wheat are still the main sources of vitamin B1 for Chinese people to absorb from the diet. If you always eat preserved egg and lean meat porridge, your body will certainly not be able to obtain sufficient vitamin B1 from it. Vitamin B1 deficiency can make people feel tired easily, have headaches, lose appetite, constipate etc., therefore, elderly It is not advisable to eat preserved egg and lean meat porridge frequently.