1, rock candy is an ice-like crystal made by frying white sugar, and it is a large-particle crystalline sugar made by adding sucrose and protein raw material formula, which is redissolved and cleaned, and then recrystallized. There are two kinds of single crystals and polycrystalline crystals, which are transparent or translucent.
2. Because its crystal is like ice, it is named rock sugar, also called "ice grain". Naturally occurring rock sugar is white, yellowish, light gray and other colors.
3. Rock candy can be made from refined syrup, an intermediate product in the refining workshop of a refining sugar factory, or from white sugar through the processes of redissolution, cleaning and recrystallization. It is white, yellowish, reddish and crimson, and its crystals are ice-like, so it is named rock candy.