1, raw material difference. The main raw material of rock candy is white sugar or sucrose, while the main raw material of white sugar is syrup squeezed from sugar cane and sugar beet.
2, the production process difference. Rock sugar is mainly made of white sugar or syrup through redissolution, washing and crystallization, while white sugar is mainly made of sugarcane or beet through juicing, drying and crystallization.
3. Color difference. The color of rock sugar is generally grayish white or translucent, while the color of sugar is generally white.
4. Shape difference. The shape of rock sugar is generally small square or large block, while the shape of white sugar is generally fine sand.
5, the taste is different. Generally speaking, the taste of rock sugar is sweet and moist, while the sweetness of white sugar is slightly lower than that of rock sugar. However, because it is a small particle, it is easy to melt in the mouth, so it feels sweet when eaten, but the taste of white sugar is slightly astringent after it is sweet.