Canthaxanthin
1. **Antibacterial:** Prevents or treats animal diseases caused by bacteria such as *Staphylococcus aureus*, *Escherichia coli*, *Actinobacillus*, and *Streptococcus mutans*. Can induce plant disease resistance and produce immune and killing effects against various fungi, bacteria, and viruses.
2. **Antioxidant:** Can eliminate oxygen free radicals in the human body, activate body cells, delay aging, inhibit the growth of harmful bacteria on skin surfaces, and exhibits excellent moisturizing properties.
3. **Growth Promotion:** Decomposed and utilized by microorganisms as nutrients for plant growth, can stimulate plant growth.
4. **Promotion of Fracture Healing:** Increases osteoblast activity, enhances the early expression of bone morphogenetic protein (BMP) during fracture repair, and advances the expression time, thereby promoting fracture repair.
5. **Improvement of Intestinal Flora:** As a prebiotic, chitosan oligosaccharide promotes the growth of probiotics in the intestine, can significantly increase beneficial bacteria such as lactic acid bacteria and bifidobacteria in the body, inhibit the growth of harmful bacteria such as *Escherichia coli*, *Salmonella*, and *Staphylococcus aureus*, enable the body's microecology to achieve natural balance, and improve the normal physiological function of the gastrointestinal tract.




