beta-carotene

We can see purple-red or dark red crystallizing or crystalline powder with our naked eyes.

It is absolute a natural pigment abstracted from liver,grease, thyroid gland , nephridium , milt , pancreas , ovary , adrenal gland etc animal tissue by modern biotechnology.It has high content in chito melon, cantaloupe, lima beans, carotte, pumpkin,peach, cushaw, sweet potatoes wild cabbage, garden pea,chinese gooseberry, grapefruit,orange etc plants.We can see salmon pink powder, instability for the light,heat, oxygen, acid nonfast,but stability for the weak base.Widely used in meat industry,pasta,cold drink,cosmetic,medicine etc as natural coloring.