广东化工
廣東化工
엄동화공
GUANGDONG CHEMICAL INDUSTRY
2012年
1期
109-110
,共2页
苏丹%二甲基黄%食品%固相萃取-超高效液相串联质谱
囌丹%二甲基黃%食品%固相萃取-超高效液相串聯質譜
소단%이갑기황%식품%고상췌취-초고효액상천련질보
Sudan%Dimethyl yellow%food%SPE-UPLC-MS/MS
建立了食品中苏丹橙G、二甲基黄、苏丹黑B非法色素的固相萃取超高效液相串联质谱测定方法。以10%乙醇的丙酮溶液作为提取溶剂,利用MAX强阴离子交换固相萃取柱对样品进行净化。检出限苏丹橙G、二甲基黄为1.0μg/kg,苏丹黑B为10μg/kg。线性范围苏丹橙G、二甲基黄为2.5-2500μg/kg,苏丹黑B为25-25000μg/kg,加标回收为78%~105%。本方法灵敏、准确高效,可对非法油溶色素进行测定及确证。
建立瞭食品中囌丹橙G、二甲基黃、囌丹黑B非法色素的固相萃取超高效液相串聯質譜測定方法。以10%乙醇的丙酮溶液作為提取溶劑,利用MAX彊陰離子交換固相萃取柱對樣品進行淨化。檢齣限囌丹橙G、二甲基黃為1.0μg/kg,囌丹黑B為10μg/kg。線性範圍囌丹橙G、二甲基黃為2.5-2500μg/kg,囌丹黑B為25-25000μg/kg,加標迴收為78%~105%。本方法靈敏、準確高效,可對非法油溶色素進行測定及確證。
건립료식품중소단등G、이갑기황、소단흑B비법색소적고상췌취초고효액상천련질보측정방법。이10%을순적병동용액작위제취용제,이용MAX강음리자교환고상췌취주대양품진행정화。검출한소단등G、이갑기황위1.0μg/kg,소단흑B위10μg/kg。선성범위소단등G、이갑기황위2.5-2500μg/kg,소단흑B위25-25000μg/kg,가표회수위78%~105%。본방법령민、준학고효,가대비법유용색소진행측정급학증。
To established a method for simultaneous determination of Sudan orange G,Dimethyl yellow,Sudan black B in food by solid-phase extraction and ultra performance liquid chromatography electrospray ionization-tandem mass spectrometry(SPE-UPLC-MS/MS) method.The samples were extracted by acetone containing 10 % ethanol and cleaned-up by MAX solid phase extraction column.The qualitative detection limits of the method for Sudan Orange G,Dimethyl yellow were 1.0 μg/kg and for Sudan black B was 10 μg/kg.The linear range were 2.5-2500 μg/kg for Sudan orange G,Dimethyl yellow were 1.0 μg/kg and for Sudan black B was 10 μg/kg.The average recoveries of adding standard were 78 %~105 %.The method is sensitive,accurate and could be used for detecting 3 kinds of oil-soluable illegal pigments in food.