The crystal sugar is made of sucrose and protein raw materials, which are redissolved, cleaned and recrystallized. There are two kinds of crystal sugar, single crystal and polycrystalline, which are transparent or translucent.
Because its crystal is ice-like, it is named rock candy, also called "ice grain". The naturally occurring rock candy is white, yellowish, light gray and other colors. In addition, there are various kinds of colored rock candy added with food pigments in the market (mainly for export).
Extended data:
Rock sugar can increase sweetness, and it is also an excellent seasoning with chrysanthemum, medlar, hawthorn and red dates.
The quality of rock sugar is pure, and it is not easy to deteriorate. Besides being eaten as candy, it can also be used as a high-grade food sweetener, preparing drugs, impregnating alcohol and nourishing adjuvant drugs. The general population can eat it, and diabetics should not eat it.
Rock sugar can be used to cook soup stew or make dessert; The famous "rock candy Xianglian" is a delicacy of Hunan cuisine in the eight major cuisines, and there are other dishes such as "rock candy Sydney" and "rock candy bird's nest". Rock candy can be decocted and taken orally, accompanied with meals, or taken into pills and ointments.