不同生产工艺生产的饲料级磷酸二氢钙的安全特性研究  

Study on the Security Characteristics of Feed-grade Calcium Dihydrogen Phosphate from Different Production Processes

作　　者：王磊磊[1] 李云[2] 王宇萍[2] 白世平[1] 丁雪梅[1] 张静[2] 曾晓芳[2] 柏凡[2] 张克英[1] 

机构地区：[1]四川农业大学动物营养研究所,四川雅安625014 [2]农业部饲料质量检验测试中心,四川成都610041

出　　处：《中国畜牧杂志》2013年第23期52-59,共8页Chinese Journal of Animal Science

基　　金：饲料添加剂重要产品标准研究(201110215-6)

摘　　要：本研究采集全国有代表性地区10个厂家生产的饲料级磷酸二氢钙(MCP)样品,比较3种不同生产工艺(钙盐沉淀法、钙盐+钠盐沉淀法和水蒸气法)生产的MCP安全特性,为MCP国家强制性标准的制定和MCP合理使用提供试验依据。考察指标包括硫酸根、氟、砷、铜、铁、锌、锰、镉、铬和铅。结果表明:水蒸汽法的氟、铜含量显著低于钙盐沉淀法(P<0.05),水蒸汽法和钙盐+钠盐沉淀法的砷含量显著低于钙盐沉淀法(P<0.05),水蒸汽法的硫酸根、氟和砷含量最低,钙盐沉淀法的硫酸根、氟和砷含量最高;水蒸汽法和钙盐沉淀法的镉含量显著高于钙盐+钠盐沉淀法(P<0.05);3种工艺的锰、铁、锌、铬和铅含量无显著差异(P>0.05);厂家间比较,9个样品中部分样品的安全指标间存在显著差异(P<0.05)。3种工艺中,水蒸汽法的脱氟、脱砷、脱铬效果最好,硫酸根、铜、铁、锌含量最低,但其产品镉含量最高;钙盐沉淀法的硫酸根、氟、砷、铬和铅含量最高;钙盐+钠盐沉淀法的锰、铁和锌含量最高,铅含量最低。MCP安全指标因生产厂家及生产工艺存在极大差异,除国家标准已规定的安全指标外,也应该考虑其中的硫酸根和铬含量。This study surveyed MCP of 10 companies from representative areas of national. Researches were made on the quality characteristics of MCP by calcium precipitation method, calcium ＋ sodium precipitation method and steam method, provided basis of experimental for the formulation of the national mandatory standard and rational use of MCP. Investigation indicators included sulfate, fluoride, arsenic, copper, iron, zinc, manganese, cadmium, chromium and lead. The results showed that the content of fluoride of steam method was significantly lower than calcium precipitation method （P〈O.05）; the content of arsenic of steam method and calcium ＋ sodium precipitation methodweresignificantlylowerthancalciumprecipitationmethod （P〈O.05）; thecontentsofsulfate, fluorideandarsenic of steammethod were lowest, which was the highest of calcium precipitation method. The content of copper of steam method was significantly lower than calcium precipitation method; the content of cadmium of steam method and calcium ＋ sodium precipitation method were significantly higher than calcium precipitation method （P〈0.05）; the contents of manganese, iron, zinc, chromium and lead of the three processes were not significantly （P〉0.05）; comparison between manufacturers, there were significant differences among the part of security indicators of 9 samples. Experiments show that in the three processes, the removable efficiency of fluoride, arsenic and chromium of steam method are best and the contents of sulfate, copper, iron, zinc are lowest, but the content of cadmium was the highest; the contents of sulfate, fluoride, arsenic, chromium and lead of calcium precipitation method were the highest; the contents of manganese, iron and zinc of calcium ＋ sodium precipitation method were the highest and the content of lead was the lowest. There were some differences of the security indicators of MCP, because of the different manufacturers and production processes. In addition to the national standards have been prescribed secu

关 键 词：饲料级磷酸二氢钙(MCP) 生产工艺 安全 

分 类 号：S816.7[农业科学—饲料科学]