Pure astaxanthin powder belongs to the group of oxygenated carotenoids. Astaxanthin is widely found in living organisms, especially in the feathers of aquatic animals such as shrimps, crabs, fish and birds. Astaxanthin has important biological activities. It mainly exhibits coloring function, high antioxidant property, anti-diabetic, anti-inflammatory and many other effects. Therefore, it is widely used in medicine, feed, cosmetics, food and aquaculture.

What Are Sources Of Astaxanthin Powder?
Common sources of natural astaxanthin are algae, red yeast, salmon, trout, krill, shrimp and crayfish. In recent years, the market demand for microbial derived natural astaxanthin is rapidly increasing. Microbial production of natural astaxanthin has attracted close attention. There are 2 main ways of microbial production of astaxanthin.
(1) Using Algae To Produce Astaxanthin:
① Selection of algae species:
Select algae that can produce astaxanthin powder bulk. Such as red algae.
② Create suitable environment:
Under suitable growth conditions, Rhodococcus rainbowensis grows and reproduces rapidly with flagellated swimming cells. When conditions become harsh, the swimming cells of Rhodococcus pyrenoidus lose their flagella. The cell wall thickens. At the same time, a large amount of red material is accumulated, and the cells thus enter a dormant state.
③ Add nutrition:
Adding divalent iron ions to the culture process can promote astaxanthin synthesis.
④ Light induction:
The synthesis of astaxanthin can be induced by irradiating red algae with blue light. The higher the intensity of light, the higher the production of astaxanthin. And the effect of continuous light is better than intermittent light.
⑤ Extraction of astaxanthin:
Astaxanthin is extracted from algae using suitable solvents.
Rain-grown red algae can accumulate astaxanthin to about 5% of the dry mass, which is a relatively good way to produce natural astaxanthin bulk supplements at present. However, the growth conditions of rain-grown red algae are extremely harsh. Higher requirements for water quality, environment and light, and long self-culture cycle. Therefore it is not suitable for large-scale production.
(2) The Use Of Red Yeast Fermentation Method For Astaxanthin Production
① Red Fife yeast activation:
First of all, it is necessary to activate the red Fife yeast to restore its activity.
② Inoculation:
Inoculate the red fife yeast organisms into the culture medium.
③ Fermentation:
Fermentation is carried out at a suitable temperature and environment. Allow Saccharomyces cerevisiae to multiply and synthesize astaxanthin.
④ Centrifugation to collect the bacterium:
After the fermentation is completed, the red Fife yeast bodies are separated from the culture medium by centrifugation.
⑤ Drying:
The collected bacterial bodies are dried.
⑥ Breaking treatment:
Breaking the cell wall of Saccharomyces cerevisiae by physical or chemical methods to release astaxanthin.

⑦ Leaching:
Extraction of astaxanthin from Saccharomyces cerevisiae using appropriate solvents.
⑧ Concentration:
The extracted natural astaxanthin powder is concentrated by evaporation and other methods.
⑨ Analyze the extracted astaxanthin:
Finally, through analytical means, to determine the purity and content of astaxanthin.
(3) The production of astaxanthin using red yeast fermentation has several advantages:
① High production efficiency:
The red yeast fermentation method can produce pure astaxanthin powder in large quantities in a short time. Because the red Fife yeast colonies multiply very quickly. And the fermentation conditions can be controlled during the fermentation process, so that astaxanthin production has been improved.
② High purity:
Astaxanthin extracted by red yeast fermentation method has high purity. Because the red Fife yeast itself does not contain pigments and other impurities, and the fermentation process can be added to the appropriate mutagen to improve the strain. Thus improving the purity of astaxanthin.
③ High safety:
The strains used in the production of astaxanthin by the red yeast fermentation method are natural. There is no use of chemical substances or genetic modification technology, so the safety is high.
④ High applicability:
The red yeast fermentation method is applicable to the production of natural astaxanthin from different sources. For example, astaxanthin extracted from marine organisms or astaxanthin obtained through chemical synthesis methods.
In conclusion, the production of astaxanthin by red yeast fermentation method has the advantages of high production efficiency, high purity, high safety and strong applicability. This is a more ideal astaxanthin production method.
What Are Astaxanthin Applications?
1. Astaxanthin in the pharmaceutical industry
● The human retina is rich in unsaturated fatty acids. The central nervous system is also rich in unsaturated fatty acids. The free radicals generated by oxidation can easily cause peroxidation of retinal cells and the central nervous system, resulting in damage to the body. Studies have shown that astaxanthin can easily cross cell membranes and the blood-brain barrier because of its special molecular structure that is not water-soluble.
● Through the strong scavenging of oxidized free radicals, pure astaxanthin powder protects the central nervous system and ultimately protects the brain. It can effectively treat central nervous system damage caused by oxidized free radicals. Such as ischemia-reperfusion injury, spinal cord injury, Parkinson's syndrome and so on. By directly removing oxidized free radicals from cells, it can effectively enhance cell regeneration, maintain the balance of body functions, and reduce the accumulation of senescent cells in the body. Protects the health of cells and DNA from the inside out. Removes oxidized free radicals from cells in the body, preventing damage to optic rod and cone cells in the retina. For the therapeutic effect of retinal macular degeneration, astaxanthin is more effective in treating retinal macular degeneration than in using lutein for treatment.

2. Astaxanthin in the cosmetics industry
● Astaxanthin mainly plays the role of antioxidant in cosmetics. It can scavenge free radicals in cells, enhance cell regeneration, maintain the balance of the organism, and reduce the accumulation of senescent cells. Therefore, the use of skin care products containing astaxanthin can reduce the problem of skin aging and improve the condition of dullness.
● In addition, astaxanthin has strong antioxidant properties. It can help with any skin oxidation problems. Because our skin is exposed to all kinds of radiation and oxidation every day. If we don't take good protective measures, then it is easy to cause skin aging. At this time, you can use astaxanthin to help slow down the aging process and keep your skin in a vibrant state for a long time.
● Erythrocystis rainbowensis extract is another cosmetic additive ingredient. It is also rich in nutrients, mainly astaxanthin. It has potent antioxidant properties that help slow down skin aging. Therefore, if you buy a product with a high amount of "Erythrocystis aeruginosa extract", then this product has the same effect as astaxanthin to some extent.
3. Astaxanthin in the food industry
● Food additives:
Astaxanthin can be used as a food additive. It is used to improve the color, antioxidant, nutritional value of food. For example, in shrimp, crab, fish and other aquatic products processing. Adding the right amount of astaxanthin can maintain its original color. It can extend the shelf life of the product. In addition, astaxanthin can be used as a nutritional enhancer. It is added to cookies, beverages and other foods to improve the nutritional value of the product.
●Health care function:
Astaxanthin acts as a powerful antioxidant. It has a variety of health care functions such as anti-aging, anti-cancer, prevention of cardiovascular disease and so on. Therefore, astaxanthin is widely used in the field of health care products. Such as astaxanthin soft capsules, astaxanthin oral solution and other products.
4. Astaxanthin in aquaculture applications
● First of all, astaxanthin bulk powder can be used as a feed additive for aquatic animals. Utilizing its color-developing effect, it can enhance the meat quality, reproductive ability and survival rate of aquatic animals. This is mainly because astaxanthin can be used as a natural colorant. It gives aquatic products a unique red or yellow color. It also improves the immunity of aquatic animals.
For example, the use of astaxanthin as a hormone can promote the fertilization of fish eggs and increase the rate of fish maturation. Add astaxanthin-producing Red Fife yeast fragments to fish bait. When salmon and sturgeon consume bait, astaxanthin usually accumulates in the skin and flesh of the fish, giving it a reddish color. These fish exhibit a brighter coloration compared to fish that do not consume astaxanthin.
●Secondly, pure astaxanthin powder also has antioxidant and anti-stress properties. It is a powerful antioxidant that scavenges oxygen free radicals, thereby limiting the entry of peroxide initiating molecules. Therefore, astaxanthin can improve the ability of aquatic animals to resist salt concentration stress and high temperature stress. It has a significant effect on antioxidant and anti-stress.
Shaanxi Guanjie Biotechnology Co., Ltd. produces bulk astaxanthin powder. Welcome to request samples and information: info@gybiotech.com






