Main ingredients: Mainly contains calcium carbonate. The natural pearl of pearl oyster contains calcium carbonate 91.72%, organic matter 5.94%, water 2.23%. The natural pearl of martens pearl oyster has white and silver. The white one contains calcium carbonate 83.71%,Pearls magnesium carbonate 7.22%, silicon oxide 0.54%, calcium phosphate 0.35%,Pearls alumina and iron oxide 0.54%, water 0.89%, organic matter 6.11%; the silver ones contain calcium carbonate 80.82%,Pearls magnesium carbonate 2.16%, silicon oxide 0.56%, calcium phosphate 0.15%, traces of alumina and iron oxide,Pearls water 1.26%, organic matter 13.44%.
The inorganic trace elements in pearls are silver, lead,Pearls barium, lithium, aluminum, copper, iron, magnesium, manganese, sodium, zinc, silicon, titanium, strontium,Pearls etc. Compared with natural pearls, the ingredients of cultured pearls have a higher calcium carbonate content Large,Pearls 94.70%, with very little magnesium carbonate content. Pharmacological effect: Pearl extract has an inhibitory effect on the isolated rabbit intestine.