Advantages of natural pigments:
1. Most natural pigments come from plants and animals. Except for Garcinia, the others are non-toxic to the human body. Natural pigments are highly safe.
2. Most natural pigments have biological activity (such as β-carotene, VB2), so they also have nutritional strengthening effects.
3. Natural pigments can better imitate the color of natural objects, and the color tone is more natural when coloring.
4. Some varieties have a special aromatic odor, which can be pleasant when added to food.
Disadvantages of natural pigments:
1. The content of natural pigments is generally low, and the coloring power is worse than synthetic pigments.
2. The cost of natural pigments is higher.
3. Poor stability, and some varieties have different colors with different PH values.
4. It is difficult to match any color tone.
5. In the process of processing and circulation, it is easily affected by external factors and is easy to deteriorate.
6. Due to the influence of coexisting ingredients, some natural pigments will have peculiar smell.
Synthetic pigment advantages:
1. Low cost and low price.
2. It has bright color and strong coloring power.
3. High stability, odorless, tasteless, easy to dissolve, easy to color.
Disadvantages of synthetic pigments:
Synthetic pigments are mostly made from coal tar, and their chemical structure is an azo compound, which can be metabolized in the body to produce β-naphthylamine and a-amino-1-naphthol.
To meet nature and health conception, nature pigment is the first choice for empty vegetable colored HPMC capsules.
