乳业科学与技术
乳業科學與技術
유업과학여기술
JOURNAL OF DAIRY SCIENCE AND TECHNOLOGY
2012年
1期
40-42
,共3页
刘玉峰%李东%唐华澄%张绩觅
劉玉峰%李東%唐華澄%張績覓
류옥봉%리동%당화징%장적멱
高效离子色谱法%脉冲安培检测%低聚果糖
高效離子色譜法%脈遲安培檢測%低聚果糖
고효리자색보법%맥충안배검측%저취과당
high performance ion exchange chromatography (HPIEC)%pulsed amperometric detection (PAD)%fructooligosaccharides (FOS)
建立离子色谱法定量测定乳及乳制品中低聚果糖的方法,应用CarboPacTMPA1(4mm×250mm)阴离子交换柱、氢氧化钠和醋酸钠淋洗液梯度淋洗、脉冲安培检测器检测。6次测定液态奶中低聚果糖的含量,相对标准偏差小于9%,3种糖的加标回收率在94.8%~103.6%之间。本方法简单快捷,适用于乳及乳制品中低聚果糖含量的检测。
建立離子色譜法定量測定乳及乳製品中低聚果糖的方法,應用CarboPacTMPA1(4mm×250mm)陰離子交換柱、氫氧化鈉和醋痠鈉淋洗液梯度淋洗、脈遲安培檢測器檢測。6次測定液態奶中低聚果糖的含量,相對標準偏差小于9%,3種糖的加標迴收率在94.8%~103.6%之間。本方法簡單快捷,適用于乳及乳製品中低聚果糖含量的檢測。
건립리자색보법정량측정유급유제품중저취과당적방법,응용CarboPacTMPA1(4mm×250mm)음리자교환주、경양화납화작산납림세액제도림세、맥충안배검측기검측。6차측정액태내중저취과당적함량,상대표준편차소우9%,3충당적가표회수솔재94.8%~103.6%지간。본방법간단쾌첩,괄용우유급유제품중저취과당함량적검측。
An analytical method was established to determine fructooligosaccharides (FOS) in milk and milk products by high performance ion exchange chromatography method with pulsed amperometric detection. The column was a CarboPac PAl (4 mm x 250 mm) anion exchange column. Fructooligosaccharides were separated under gradient elution mode. The mobile phase A was 150 mmol/L NaOH and the mobile phased B was composed of 150 mmol/L NaOH and 100 mmol/L sodium acetate. The relative standard derivations for 6 replicate determinations of four fructooligosaccharides in liquid milk were less than 9%. The average spike recovery rates for three fructooligosaccharides in liquid milk varied between 94.8% and 103.6%. The method was simple, fast and suitable for determining FOS in milk and milk products.