1, Yantian prawn is a shrimp that grows in high salinity seawater, so it does not belong to river shrimp or sea shrimp. The salt content of growing waters is 2-3 times that of ordinary seawater, so the astaxanthin content of shrimp in Yantian is higher.
2. Macrobrachium nipponense is also a kind of sea shrimp. Macrobrachium nipponense is a kind of warm food, and astaxanthin, a very important substance in Macrobrachium nipponense, is a very effective antioxidant. The darker the color, the higher its astaxanthin content. Astaxanthin is widely used in cosmetics, additives and medicines, and it can also effectively eliminate jet lag.