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ï»\xBF4, poplar gum samples containing up to eight. Detection often break poplar gum was discovered, some people began to use poplar glue method of purifying propolis, made of pure gum, raw propolis is added after the break, or in the supply poplar gum purified to other manufacturers do not understand the line. This gum and poplar propolis purified after purification is not much difference in the sense, it is difficult to identify, and its quality indicators fully able to meet current national standards propolis. Many people joined the ranks of counterfeiting, destruction of poplar bark, leaves, making a large number of dead poplar, affecting the ecological balance in local government intervention, those who pick their spores into prepared poplar gum. In short, because there is no authoritative identification technology and the introduction of effective supervision of government departments difficult to implement effective regulation in profits, driven by the phenomenon of counterfeiting and adulteration of propolis has been difficult to get effective control. Rampant counterfeiting and adulteration disrupt the market price of propolis, propolis number of products continue to rise, while the price of the end product was declining, and some products even out of the 100 ultra-low price of $ 60. On the other hand the quality of the product can not be effectively guaranteed, but also seriously affect the production of propolis product beekeepers polarity. In 2010 the State Food and Drug Administration issued 'on the strengthening of health food containing raw propolis supervision work of the emergency notice' (Food and Drug Administration promised to do [2010] No. 131), from a regulatory point of view, the government has increased propolis acquisition, production and business management. However, scientifically false identification means and based on propolis, still lack a strong technical support. The experts to the 'First Financial Daily' correspondent said that after years of efforts, at present, the industry has developed three main methods of identification of propolis. The three methods are: the development of Zhejiang University poplar glycoside assay, language Hangzhou bee research and development of fingerprinting; Jiangsu Entry-developed mass spectrometry. Foot step ahead, with research fraud racing each other, the current identification methods, and some have been part of high-tech counterfeiters broke through. The expert said that in 2012, developed a method to detect water Yang glycosides Zhejiang University, which was detected in propolis contains