Honey:
Honey may be contaminated by Clostridium botulinum during brewing, transportation and storage. More than 80% of honey is sugar. Honey is a supersaturated solution of sugar, which crystallizes at low temperatures. What crystallizes is glucose, and the part that does not crystallize is mainly fructose. According to the 2020 "GH/T18796-2012 honey" national honey quality of the latest requirements, pure honey is divided into first-class honey, second-class honey, which modifies the old standard is no longer based on the degree of boomerang for the grade division, the network rumors to honey nectar source is different for the division of honey grades is not based on.