Tianjin preserved vegetable

Tianjin preserved vegetable is a type of pickled vegetable that comes from China. It's made by taking a type of vegetable called Tianjin cabbage (similar to bok choy) and chopping it up into small pieces. The chopped cabbage is then covered in a mixture of salt, sugar, and spices, and left to sit and ferment for a few days.

During the fermentation process, something called lactic acid bacteria grows on the cabbage. This is what gives it its tangy and sour taste. Once the fermentation is complete, the preserved vegetable is packed into jars and sold in markets and stores.

People in China use Tianjin preserved vegetable in lots of different dishes, such as stir-fries, soups, and noodle dishes. It adds a salty, sour, and slightly spicy flavor to the dish. It's also known for being a good source of fiber and vitamins.

Overall, Tianjin preserved vegetable is a tasty and nutritious addition to many Chinese dishes, and it's been a popular food in China for a long time!