西宁正规的牛宝拍卖哪里收

　　牛宝收购的鉴定技术与行业标准

　　专业牛宝收购需通过"一看二闻三检测"的严格流程:观察表面金黄花纹特征，嗅闻特有的苦腥气味，最后经高效液相色谱测定胆红素含量（优质品≥25%）。现代鉴定已引入显微 Raman 光谱和DNA分子标记技术，可精准识别掺杂人工合成品的情况。中国药典规定天然牛黄胆酸含量不得低于7%，而顶级藏区牛黄可达12%以上，这类珍品往往引发收藏界激烈竞购。

　　“羊宝”就是羊在采食过程中吃了一些不容易消化的、角质化的东西，慢慢形成一种异物，通过它自己的包裹，日积月累形成的，其实就是“羊结石”，具有较高的用价值。呈球状，上面凹凸不平，有纹理，以黑褐为佳品，用时与牛黄接近，常作为牛黄的替代物，具有泻热、利胆、通窍、镇惊的作用，可治昏迷、小儿惊痫，但在医发达的今天，很多材都可替代它。据介绍，“羊宝”因为罕见，多用作艺术品，成为人们珍藏把玩的物件此类材只能在一些高端的拍卖会上看到，其保存需要放在阴凉通风处，用价值尤其重要。

　　西宁正规的牛宝拍卖哪里收

　　牛宝实际就是牛肠胃里形成的结石，表面光滑，颜不一，硬度较大。传统中医以为具有降逆风、开郁结、之功效。主治胸肋胀满、食道癌、胃癌、疔疮等，是多种良的主要质料。牛宝为我国传统中医材，自古与猪宝、马宝并誉为三宝。Niu Bao is actually a stone formed in the intestines and stomach of a cow, with smooth surface, different colors and great hardness. Traditional Chinese medicine thought has the downwind, opens the knot, detoxifies the effect. It is the main substance of many kinds of good medicine, such as thoracic and costal bloating, esophageal cancer, stomach cancer and malignant boils. Niu Bao is the traditional Chinese medicine material of our country, since ancient times with pig treasure, ma bao and praised as three treasures.

　　西宁正规的牛宝拍卖哪里收

　　其用在东汉的《神农本草经》已经有了详细的记载。在元朝时就由阿拉伯人带到西方，从此，牛宝“移民”到国外安家落户。阿拉伯医生阿文左阿在他的著作里把牛宝称为“石”，深信它的功效。许多西方人都把牛宝视为珍品，放在金银制作的盒子里精心贮藏，以备急用。据说十五世纪时，英国女皇伊丽莎白的颈项，老挂着一颗牛宝，以防被人毒害时之用。Its medicinal use has been recorded in detail in the Shen Nong Ben Cao Jing of the Eastern Han Dynasty. During the Yuan Dynasty, it was brought to the West by Arabs. From then on, Niu Bao "emigrated" and made his home abroad. In his writings, the famous Arab doctor Arvinzola referred to the cow treasure as the "detoxification stone" and was convinced of its efficacy. Many Westerners regard cow treasures as treasures and store them carefully in gold and silver boxes in case of emergency. It is said that in the 15th century, Queen Elizabeth of England always wore a cow treasure around her neck to prevent her from being poisoned.