30 minutes or so. Tripe is a connective tissue, so it is difficult to cook, although the temperature of the pressure cooker is relatively high, the pressure is relatively large, but cook tripe still need a longer time to cook, need to be pressed for about 30 minutes, if the tripe is relatively large, the time spent may be longer, generally cook to the milk can use chopsticks can be easily poked in.
Expanded information:
tripe that is the cow's stomach. Cattle for ruminants, *** there are four stomachs, the first three stomachs for the esophagus variant, that is, rumen (grass belly), net stomach (beehive stomach, hemp belly), petal stomach (heavy petal stomach, Baiba), the last one is the real stomach (wrinkled stomach).
The meat column of the inner wall of the rumen is commonly known as "belly collar, belly beam, belly kernel". Cardia dilatation muscle, thick and tough meat commonly known as "belly tip", "belly head" (soaked in alkaline water to make it crisp, can be a separate dish). The rumen can be torn off the plasma membrane, retaining the mucous membrane, raw slices shabu-shabu, dishes such as "tripe hot pot", "husband and wife lung slices". The net stomach is used in the same way as the rumen. Most of the flap stomachs and wrinkled stomachs are shredded. Tripe in the most widely used for the belly collar and 100 leaves.