1. Natural astaxanthin
Natural Astaxanthin was originally extracted from shrimp, hence its name. Although found in shrimp, shrimp don't produce their own. Astaxanthin is produced by algae, bacteria and phytoplankton. Shrimp and crabs contain astaxanthin because they eat algae and phytoplankton and store the pigment in their shells. Astaxanthin is a carotenoid, which is actually a red pigment and is often used as a coloring agent. There are two main types of astaxanthin: natural astaxanthin and synthetic astaxanthin. Natural astaxanthin is usually extracted from rainfed red bulb algae by fermentation, while synthetic astaxanthin is mainly extracted from carotene. Astaxanthin has three main structures, which are left-handed, racemic and dextral. The levastaxanthin structure has the strongest antioxidant activity. More than 90% of natural astaxanthin has a left-handed structure, while only 25% of synthetic astaxanthin has a left-handed structure, so the antioxidant performance of synthetic astaxanthin is far inferior to that of natural astaxanthin. Natural astaxanthin is generally added in skin care products, and is marked as the extract of erythrochlorella vulgare in the ingredient list.
2. Natural astaxanthin must be red
The higher the astaxanthin content, the darker the color, and no matter what the process, it is not possible to change its essence.
(1 )Natural astaxanthin: the color is deep red, even reddish brown, which is the natural color of natural astaxanthin extracted from rhodococcus rain.
(2) fake astaxanthin: under the banner of imported astaxanthin from the United States, it is known as a special process. After detection, it basically does not contain astaxanthin, and the content is mainly rice flour.
3 Natural astaxanthin must have an algal smell
(1) natural astaxanthin: natural astaxanthin extracted from rhodococcus rain has a natural algal smell.
(2) Fake astaxanthin: extruded content, only smell of salad oil, it has no taste or light odor. Like a lump of black paste shrimp blue
Vegetable, the content is smelly, and the oil agent is not dispersed, the red substance is tomato powder, completely free of astaxanthin. Known as the United States 12mg astaxanthin is actually guangdong coastal small factory processing.
4.The source of astaxanthin must be rhodococcus pluvialis
Natural Astaxanthin can be divided into two sources, one is biological extraction, the other is synthetic. Obviously, biological extraction is better. The raw materials for biological extraction are Marine waste, and the extraction of natural algae is the best, especially natural rhodococcus aureus, which is recognized as the best organism to produce natural astaxanthin in nature. Yunnan is the world's pollution-free and pollution-free natural astaxanthin production base (nearly 40% of the astaxanthin extracted from the world's erythematophytes is from Yunnan).