1, single crystal rock sugar
It is a regular and bright crystal, and it is a new type of rock sugar produced in the 1960s. Its production process is: grading.
2. Polycrystalline rock sugar
Also known as old rock candy, earth rock candy and lump rock candy. , is an irregular crystal sugar 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).
3, health rock sugar
In the traditional production process of polycrystalline rock candy, a new type of rock candy with health care function was produced by adding some auxiliary ingredients with health care function. Common health rock candy includes pear juice rock candy, chrysanthemum rock candy, lily rock candy, green tea rock candy and so on.
Extended data
Matters needing attention in buying rock sugar:
There are basically three kinds of rock sugar on the market at present. One is that the color is relatively white, not too transparent, one by one; A color is very white and transparent, which should be the best in appearance; Finally, there is a big yellowish rock candy, also called earth rock candy, which is made in a traditional way.
The three mentioned above, the first one is edible with low sulfur dioxide content; Secondly, the content of sulfur dioxide obviously exceeds the standard, which will cause harm to human body after eating; It is recommended to choose the third kind of rock sugar, which is the safest.
Because this yellowish rock candy is not beautiful, but using traditional technology, generally speaking, sulfur dioxide will not be added.
Baidu encyclopedia-rock sugar
People's Daily Online-How to Make Rock Sugar Industry insiders say that two-thirds of rock sugar in the market contains sulfur dioxide.