Bean drum production process

Bean drum production process is as follows:

One, raw material processing

Raw material selection: choose mature enough, full and uniform particles, thin skin and meat, no insect erosion, no mold and deterioration, and have a certain degree of freshness of black soybeans is appropriate. Wash: Use a small amount of water to wash away the sand impurities mixed in soybeans. Soaking: the purpose of soaking is to make the black beans to absorb a certain amount of water. Steaming: The purpose of steaming is to destroy the internal molecular structure of soybeans.

Second, the purpose of making the quartz is to make the cooked beans under the action of mold to produce the corresponding enzyme system. During the brewing process, rich metabolites are produced, giving tempeh a delicious taste and unique flavor.

Three, fermentation of tempeh fermentation, is the use of proteases produced in the process of song making to break down the proteins in the beans, the formation of a certain amount of amino acids, sugars, and other substances, to give the tempeh inherent flavor.

The history of tempeh

The tempeh was created around the time of the Spring and Autumn Period and the Warring States Period. In the book "Chu Ci. The "soul" in the "big bitter, salty and sour", according to the note big bitter that is for tempeh. There is another theory that the pre-Qin literature no tempeh, when the Qin and Han Dynasties. The Records of the Grand Historian. The first time I saw the black beans in the book, I saw the black beans in the book.

The Qimin Yaojutsu contains the technique of making tempeh. In the Eastern Han Dynasty, it began to be used as a medicine. Later generations of food books, medicinal books are about tempeh records. It is still one of the most important flavorings. Wang Bo, a writer in the Tang Dynasty, whose essay "Preface to the Tengwang Pavilion" has been widely circulated in ancient and modern times, is renowned in the literary world. Legend has it that when Wang Bo made the preface for Tengwangge, there was an interesting story with the Chinese medicine tempeh.