2013年河北省159份生乳中硫氰酸盐含量分析

目的了解河北省生牛乳中硫氰酸盐含量情况。方法遵循代表性、随机性和适时性的采样原则,采得全省范围内2013年159份生乳样品,按照食品中硫氰酸钠测定的标准操作程序,采用离子色谱法进行硫氰酸盐含量测定。结果 111份样品检出硫氰酸盐,48份未检出,检出含量最高为6.45 mg/kg,P50为1.32 mg/kg,P95为2.94 mg/kg。结论 159份生乳样品中硫氰酸盐含量均低于GB 2760—1996《食品添加剂使用卫生标准》中规定的硫氰酸钠添加量(≤15 mg/kg),河北省生乳中硫氰酸盐污染情况相对较轻。

Analysis of thiocyanate content of 159 raw milk samples in Hebei Province in 2013

To find out the content of thiocyanate in raw milk of Hebei Province. Methods Following the principles of representativeness, randomness and timeliness, 159 raw milk samples were collected from Hebei Province in 2013, including 100 samples from dairy farmers, 32 samples from milking workshop, 27 samples from milk tankers in a dairy plant. Thiocyanate were determined by ion chromatography refering to standard determination operating procedures of sodium thiocyanate in foods in National food contamination and harmful risk handbook. Results The content of 48 samples were below the detection limit, the maximum value was 6.45 mg/kg, P50 was 1.32 mg/kg, and P95 was 2.94 mg/kg.Conclusion Thiocyanate levels of 159 raw milk samples were lower than the values reported in the literature.