Freshwater and saltwater pearls may sometimes look quite similar,The artificial
but they come from different sources.
Freshwater pearls form in various species of freshwater mussels, family Unionidae, which live in lakes, rivers, ponds and other bodies of fresh water. These freshwater pearl mussels occur not only in hotter climates, but also in colder more temperate areas such as Scotland(where they are totally protected under law): see the freshwater pearl mussel. However, most freshwater cultured pearls sold today come from China.
Saltwater pearls grow within pearl oysters, family Pteriidae, which live in oceans. Saltwater pearl oysters are usually cultivated in protected lagoons or volcanic atolls.
The pearl is the precious traditional Chinese medicine which the earl oyster absorption water’s essence, Bi Qi the life secretion pearl nature polymerization become.
The pearl ingredient is extremely complex,The formidable competitive power
the modern science analysis indicated that the pearl includes the rich calcium and the magnesium, the phosphorus, the zinc and so on many kinds of trace elements, but also some 18 kind of amino acids, 7 kinds are the essential amino acids (i.e. must take from outside, human body cannot synthesize voluntarily amino acid), many kinds of protein and the short peptide, the growth promotion factor and was still unable by some existing science and technology to conduct the research the active factor.
Since the ancient times, the pearl namely is taken the precious traditional Chinese medicine, in all previous dynasties 19 medicine ancient books has to the pearl effect the explicit record, including famous “Native Chinese Plants”, “Plays an ace Book on Chinese medicine”, “Sea Medicine Book on Chinese medicine”, “Book on Chinese medicine after Collection”.
It “Native Chinese Plants” the volume 64 records are as follows: “the pearl taste is salty, Gansu cold non-toxic; Sets one’s mind at ease an item; Spreads the surface, makes the person favor good color. Spreads the hand and foot, goes to the skin counter to display, falls the phlegm, eliminates the surface spot, stops releases. Eliminates the young child startled heat,Hotel interior design contemporary style peaceful soul. Stops the wet dream gonorrhea, Xie Dou cures the poison.”