Green Spring Technology

1 Natural Colorant OverviewPigments can be divided into two main categories: natural colorants and synthetic pigments. One type is artificially synthesized chemical pigments, most of which are azo-type compounds. Some of these can be metabo...

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 first condition for applying natural coloring is to explore, ...

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 replaced by natural pigments [1]. Natural pigments, as food add...

Natural coloring is the general term for colored substances found in nature, mainly from the flowers, leaves, fruits and seeds of plants, as well as a small proportion from insects and microorganisms. Natural coloring is often used to impro...

Pigments are a very important element in food and play a pivotal role in the sensory quality of food. Food colours can be divided into artificial food colours and natural food colours. The extensive use of artificial colours can cause poten...

Synthetic pigments are mostly tar dyes, which not only have no nutritional value, but some are also harmful to the human body. Therefore, edible natural colors extracted from plants have recently received widespread attention from scholars ...

Numerous biological, nutritional and medical research reports have pointed out that Natural Colour has nutritional and physiological health functions, while synthetic pigments can adversely affect human health. With the continuous improveme...

Natural pigments and natural dyes both come from basically the same sources, most of which are extracted from plants. Both use extracted pigments as the element used, and are natural, non-toxic, harmless, environmentally friendly, renewable...

Since the middle of the last century, scientists have been studying how to obtain Paprika Oleoresin and its applications in the field of food and other fields [1]. Paprika Oleoresin is a natural food-grade pigment that is extracted, isolate...

The use of natural dyes in China can be traced back more than 4,500 years ago, and has a very long history. At the end of the 20th century, chemical dyes gradually replaced natural dyes. Synthetic dyes are widely used in the textile, food, ...