Green Spring Technology

To date, at least 600 types of natural carotenoids have been discovered by humans. Carotenoids can be divided into two categories based on whether or not they contain oxygen in the...

In recent years, China's natural coloring industry has developed rapidly, and the development of natural coloring has become one of the development trends in industries such as...

Pigment is a general term for dyes, pigments and all substances that can absorb light waves in the range of 400–700 nm [1]. Pigments can be divided into synthetic pigments and natu...

With the development of China's economy and the improvement of people's living standards, people are increasingly demanding food safety. Natural colors are pigments obtaine...

Pigments are inextricably linked to human life. As food additives, they give food an attractive color, and as dyes, they can dye textiles and other materials a beautiful color. Pig...

Synthetic pigments are artificially synthesized pigments, with aniline dyes as the main raw material, which are mainly derived from coal tar produced by the dry distillation of coa...

Pigments are divided into two categories: natural colors and synthetic colors. Natural colors have a long history of use. In ancient China, there were already records of Natural Co...

1 Natural Colorant OverviewPigments can be divided into two main categories: natural colorants and synthetic pigments. One type is artificially synthesized chemical pigments, most ...

Natural coloring has a wide range of sources and a wide variety of types in nature. Natural coloring from different sources may also have very different molecular structures. The f...

In many tests, it has been found that many varieties of chemically synthesized pigments have serious chronic toxicity and carcinogenicity, and they will inevitably be gradually rep...