1 Foreword
Trace elements directly or indirectly participate in the formation and activation of enzymes and hormones in animals, thereby affecting the growth, metabolism, immunity and reproduction of animals. Although the proportion of animal feed is less than 0.5%, the effect can not be underestimated. On the basis of nutritional effects, the addition of high-copper and high-zinc pharmacological doses has given the functional effect of many formulators. At the same time, the large amount of traditional forms of inorganic sulphate added, resulting in fat, fat-soluble vitamins in the feed and damage to the intestinal villi, so feed companies have to seek better quality trace element additives.
As a new type of organic mineral element additive, organic trace elements, due to its good stability, high biological potency, easy digestion and absorption, and strong anti-interference, have quickly become the focus of animal nutrition research and a hot spot for feed enterprises. From the earliest foreign imports, expensive protein chelate to today's cost-effective single amino acid chelate, its development process is only a few years. Due to the wide application of single amino acid chelate, domestic large and small organic trace element manufacturers have sprung up in the market. The competition among organic trace element companies has also gradually shifted from the beginning of product quality competition to the concept of speculation and low-cost shopping. The phenomenon derived from this competition mode is that feed enterprises are very confused when selecting and evaluating organic trace element products. Because the technical formulators of feed enterprises are mostly born with feed nutrition, organic trace elements are classified as fine chemicals. In addition, for the purpose of marketing, different companies have cast a mysterious veil on organic trace elements, and strive to confuse the audience, thus making various viewpoints and arguments flood the entire market.
The above is just the tip of the iceberg in the organic micro-market. In order to break this mysterious veil and give users a clear understanding and understanding, this article selects some of the most common problems in the evaluation and use of organic trace elements, as well as organic trace elements. Detailed analysis and explanation of the future development trend of the product will provide a reference for everyone to choose such products, and also make a footnote for the true appearance of organic trace elements.
2 Industry Status
2.1 The definition of organic micro-concepts is unclear
The development of organic trace elements in China has been used for several years, but in the process of visiting the market, many feed enterprise technicians will find that the concept of organic trace elements is vague, or not. clearly. The main reason for this phenomenon is not that our technicians are not enough, but mainly because of the numerous organic trace element manufacturers. In order to support the sales of their own products, various opinions and arguments in the market propaganda are emerging one after another. The market propaganda of “publicly speaking publicly and reasonably saying that the woman is reasonable†has confused the theoretical views that have been established by our formulators. As many misunderstandings, basic chlorinated salts and fumarates are also used as organic trace elements.
In fact, the concept of organic trace elements is relatively broad. The actual organic chemical name referred to at home and abroad is “metal complexâ€. According to the definition of the American Association of Feed Management Officials, organic trace elements include amino acid complexes. Protein complexes, polysaccharide complexes, and the like. Most of the organic trace elements in foreign companies entering the country were protein complexes. At present, the most widely used and most commonly used products in the amino acid complexes are single-form amino acid chelate compounds. To clearly understand what a chelate is, you must explain the concepts of "complexation" and "chelation." When a metal ion is combined with an electron-donating ligand, its product is called a "complex." If the electron donating ligand has two or more electron donating groups, a ring-shaped substance can be formed, which has a structure similar to that of a crab, and is called a "chelate". It is clear that amino acid chelate refers to a substance having a cyclic structure produced by a metal ion and an amino acid of a soluble metal salt in a ratio of 1 mol/L metal to 1 to 3 mol/L amino acid. It is called "amino acid chelate".
2.2 Selection and evaluation of products without reliable standards
In view of the effective evaluation and screening of organic trace elements in the market, it has become the most difficult problem for many companies that have used and wanted organic trace elements. The main reasons may be threefold: 1. Some products do not have corresponding national standards, and the enterprise standard testing methods are inconsistent. 2, there are national standard products, the national standard itself is a problem, the credibility is not complimented by the industry. 3, product update is faster, the newly established detection means may not meet the current product testing needs.
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