China is one of the largest producers and exporters of astaxanthin in the world. The country has a well-established astaxanthin industry and is known for its production of this natural pigment.

In China, astaxanthin is primarily derived from Haematococcus pluvialis, a microalgae species known for its high astaxanthin content. Chinese companies cultivate and harvest Haematococcus pluvialis in large-scale production facilities, typically utilizing closed photobioreactor systems or open ponds. These cultivation methods allow for the optimal growth and accumulation of astaxanthin in the microalgae.

Once the microalgae have accumulated a sufficient amount of astaxanthin, it is harvested and processed to extract the pigment. Various extraction methods, such as solvent extraction or supercritical fluid extraction, are employed to obtain astaxanthin in its concentrated form. The extracted astaxanthin is then further processed, purified, and formulated into different products, including dietary supplements, food additives, cosmetics, and animal feed additives.

China's astaxanthin industry has gained recognition globally, and many companies from China supply astaxanthin products to both domestic and international markets. These products may be marketed directly by Chinese companies or used as ingredients by manufacturers in different industries.

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