Probiotic food is all the rage at the moment. In food and health magazines, blogs and newspapers, everywhere you turn there are articles singing the praises of tempeh, or extolling the benefit of kombucha in keeping our digestive systems healthy. Television commercials advertise the miraculous power of yogurt whose live cultures keep us all regular. Even sauerkraut and kimchi have been enlisted to manage the balance of bio functions in our gastrointestinal tracts. So are there probiotic foods in Chinese cooking?