Yacon has been used to make yogurt at home for a long time, and anomalies began to be found in these two days. Fresh milk was poured in the day before, and pink areas appeared on the surface the next day. Backward washing Perhaps there is something wrong with the Yacon itself, such as deterioration or the influence of other strains. In this case, it is recommended not to drink.

In addition, it may be helpful to put a newly found quotation:

The main components of Yacon are yeast, lactic acid bacteria, acetic acid bacteria and other microorganisms. Yeast and lactic acid bacteria are harmless to the human body, can regulate the normal flora of the human body, and are beneficial to the gastrointestinal system of the human body. The efficacy is roughly the same as that of ordinary yogurt sold in the market. Soaking milk and yacon together will not produce toxic substances to the body, but bacteria are definitely there.

Professor of Beijing Agricultural College said: "Yacon also contains Gram-positive bacteria, Bifidobacterium, and some very small microorganisms. Compared with yogurt produced by regular manufacturers, some toxins in yacon yogurt can not be eliminated even after heating. This eating method is unscientific and may be harmful to human body.