CAJ | 학술논문

通过采用高效液相色谱分析技术,测定碳酸饮料、果酱、红枣核桃粉中水杨酸成分含量,建立高效液相色谱测定食品中水杨酸含量.采用水浴加热法去除样品中乙醇及二氧化碳等干扰成分,并用高效液相色谱法,Phenomenex luna 5μmC18色谱柱(250×4.60mm);流动相为乙酸胺(0.02mol/L):甲醇:冰醋酸(91 : 9 : 0.15)系统;流速为1.0mL/min;进样量为10μL;检测波长为:230nm,0.2AUFS,紫外检测器.采用外标法定量测定食品中水杨酸的含量.对不同样品进行水杨酸含量测定时,其加标回收率均在:87%97%.本法简便快速、灵敏度和精密度高、准确可靠,可适用于食品中水杨酸含量的日常测定.
통과채용고효액상색보분석기술,측정탄산음료、과장、홍조핵도분중수양산성분함량,건립고효액상색보측정식품중수양산함량.채용수욕가열법거제양품중을순급이양화탄등간우성분,병용고효액상색보법,Phenomenex luna 5μmC18색보주(250×4.60mm);류동상위을산알(0.02mol/L):갑순:빙작산(91 : 9 : 0.15)계통;류속위1.0mL/min;진양량위10μL;검측파장위:230nm,0.2AUFS,자외검측기.채용외표법정량측정식품중수양산적함량.대불동양품진행수양산함량측정시,기가표회수솔균재:87%97%.본법간편쾌속、령민도화정밀도고、준학가고,가괄용우식품중수양산함량적일상측정.
Through the use of high-performance liquid chromatography analysis to determine the carbonated drinks,jams,dates walnut powder ingredient of salicylic acid content,the establishment of high-performance liquid chromatography determination of salicylic acid content in foods.water bath heating method used to remove samples of ethanol and carbon dioxide and other interference components,and high performance liquid chromatography,phenomenex luna5μmC18column(250×4.60mm);mobile phase for the amine acid(0.02mol/L):methanol:glacial acetic acid(91 : 9 : 0.15)system;a flow rate of 1.0mL/min;injection of 10μL;detection wavelength:230nm,0.2AUFS,uv detector.the use of external standard quantitative determination of salicylic acid content in foods.samples of different determination of salicylic acid,the recoveries were:87%97%.this is simple,rapid,high sensitivity and precision,accurate and reliable,could be applied to food in the day-to-day determination of salicylic acid content.