In 90 BCE, in the Records of the Grand Historian by Sima Qian, Chapter 69, refers to 1,000 earthenware vessels of mold-fermented cereal grains and salty fermented soybeans (shi). They were now an important commodity in China. When the prince of Huainan (legendary inventor of tofu) was exiled for inciting rebellion (in 173 BCE) against his brother, the Han Emperor Wendi, his retinue and he were, nevertheless, provided with such necessities of life as firewood, rice, salt, shi (fermented black soybeans), and cooking utensils.