known as oysters or oysters, which are a type of shellfish that is abundant and can be cultured in large quantities along the coast of China. Oysters are traditional tonics. According to the Compendium of Materia Medica, oysters are known for their ability to treat deficiency, strengthen yang, detoxify, nourish the blood and qi of men and women, make the skin delicate, and prevent aging. Oyster peptides, as one of the important categories of proteins and peptides in marine health foods, have been included in the key areas of promoting high-quality development by the country. [2] Its component glycogen helps with physical recovery and may have an impact on the body's immunity.
Research on Nutritional Components
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Research has shown that oyster meat is rich in various minerals and trace elements, with calcium content ranging from 40-94.04 mg/g, iron content from 5.50-8.00 mg/g, selenium content from 49.00 mg/g, and zinc content from 22.54 mg/g. The taurine content in oyster meat (dry) extract is 50.6 mg/g, which is much higher than other seafood such as clams, squid, and sea cucumbers.
Bohai Bay oyster has the characteristics of being rich in taurine (50 μ mol/g), zinc, selenium, etc; Low in fat and cholesterol, it contains a certain amount of highly unsaturated fatty acids (EPA+DHA accounts for 20.4% of total fat), and is also rich in inorganic salts and vitamins. Pacific oysters, monk cap oysters, and river oysters all contain all eight essential amino acids for the human body, with lysine being the highest content. This is of great significance for balancing the proportion of amino acids in the national diet. The content of taurine in the three types of oysters is as high as 7.542, 4.388, and 3.591 mg/g, respectively, almost exceeding the total content of other free amino acids [1].
such as increasing male serum testosterone levels, regulating blood lipids, inhibiting platelet aggregation, improving symptoms of hyperglycemia, enhancing human immunity, promoting metabolism, etc. They also have certain effects on fighting cancer and preventing cancer cell spread.
1. Enhance male sexual function
Oyster peptides can effectively increase serum testosterone levels and enhance male sexual function. Simultaneously possessing dual functions of regulating physiological functions and enhancing nutrition for the body.
2. Protecting the liver
Oyster powder extract has a good protective effect on experimental liver injury, significantly reducing the serum ALT/AST levels caused by CC14 induced spontaneous liver injury and alleviating the degree of stem cell damage.
3. Enhance immunity
The oyster polysaccharides contained in oyster peptides can enhance the body's immune system and inhibit the proliferation of influenza virus.
4. Hypoglycemic effect
Oyster extract has hypoglycemic properties of sulfonylurea and biguanide hypoglycemic drugs.
5. Preventing cardiovascular and cerebrovascular diseases
Oyster glycosaminoglycan has a protective effect on hydrogen peroxide induced oxidative damage to vascular endothelial cells, effectively preventing the occurrence of various cardiovascular diseases such as hypertension, arteriosclerosis, and stroke caused by endothelial damage.
6. Antitumor effect
Oyster natural active peptide (BPO) can effectively inhibit the proliferation activity of gastric cancer BCC-823 cells and has a significant effect on inducing apoptosis of cancer cells.
