What is rock sugar made of?

Rock candy is a crystal copy of sugar. There are white, yellow, red, crimson and other colors, and the crystal is like ice, hence the name rock sugar. China existed in the Han Dynasty. Crystal sugar has the best transparent quality, high purity, less impurities, sweet taste, followed by translucency. It can be used as medicine and candy. Among them, it can be divided into polycrystalline rock candy and single crystal rock candy. Polycrystalline rock candy is also called old rock candy, earth rock candy and lump rock candy. It is an irregular crystal rock candy made by traditional technology. According to the different production processes, it can be divided into hanging crystal sugar (the finished product is divided into icicles and icicles, with impurities such as cotton thread and paper) and basin crystallization method (all crystal sugar is crystallized along the crystallization basin, and the finished product is pure). According to different colors, it is divided into white rock candy, yellow rock candy and amber rock candy (gray). This rock candy has the medicinal effect of rock candy in traditional Chinese medicine. Single crystal rock sugar is in the form of regular bright crystals. It is a new type of rock sugar produced by modern technology. The production process is as follows: the white sugar is heated and dissolved in proper amount of water, filtered, put into a crystallization tank to supersaturate the sugar solution, put into a seed crystal to cultivate the crystal, take it out when the crystal grows, remove honey, centrifugally dry, ventilate and dry, and sieve and classify. Single crystal rock sugar does not have the medicinal effect of rock sugar as mentioned in traditional Chinese medicine.