珍珠,是大自然的产物。当沙粒或微生物侵入珍珠贝的外套膜,该贝便因受刺激而分泌出碳酸钙液体——珍珠质,逐层将异物包围,从而产生了珍珠。食用治病养颜的大都是这些天然珍珠。近年各地也用插核等方法培育人工珍珠,但大多作装饰品之用。 珍珠晶莹绚丽,光彩夺目,它不仅是高级的装饰品,而且也是名贵的保健药物。据分析,珍珠约含碳酸钙95％,硬蛋白4％,还含有硅、铁、锌、钾、镁、磷等多种元素。据研究,碳酸钙能中和胃酸,钙离子能 Pearl, is a product of nature. When sand or microbes invade the mantle of the pearl oyster shellfish, the shellfish is stimulated to secrete calcium carbonate, a nacre, that is surrounded by foreign matter layer by layer, creating pearls. Most of the treatment of edible beauty of these natural pearls. In recent years, various methods have also been used to nurture artificial pearls, but most of them are used for decoration. Pearly crystal brilliant, dazzling, it is not only a high-level decorations, but also expensive health care drugs. According to analysis, pearl contains about 95% calcium carbonate, 4% hard protein, but also contains silicon, iron, zinc, potassium, magnesium, phosphorus and other elements. According to research, calcium carbonate can neutralize gastric acid, calcium ion energy