Generally, in the pressure cooker inside the boiler for about an hour can be.

Generally speaking, if the cattle offal, in fact, the cooking time should be a little longer, otherwise, there are more bacteria, easy to eat parasites into the stomach.

So usually cook tripe then must pay attention to a long time and then you can use the pressure cooker to cook pressure cooker, the effect of cooking will be a little better.

Expanded Information:

Beef tripe contains protein, fat, calcium, phosphorus, iron, thiamin, Riboflavin, niacin, etc., has a tonic spleen and stomach, nourishing blood, tonic deficiency and essence, thirst, wind and vertigo effects, suitable for the sick and weak, insufficient blood, malnutrition, spleen and stomach weak people.

The tripe is the cow's stomach. Cattle for ruminants, *** have four stomachs, the first three stomachs for the esophagus variant, namely rumen stomach (grass belly), net stomach (beehive stomach, hemp belly), petal stomach (heavy petal stomach, Baiba), the last is the real stomach (wrinkled stomach).

Baidu Encyclopedia-Beef Tripe