食品安全质量检测学报
食品安全質量檢測學報
식품안전질량검측학보
FOOD SAFETY AND QUALITY DETECTION TECHNOLOGY
2014年
3期
929-933
,共5页
荧光%硼砂%面粉及其制品
熒光%硼砂%麵粉及其製品
형광%붕사%면분급기제품
fluorescence%borax%flour and its products
目的:建立一种安息香荧光衍生法测定面粉及其制品中硼砂根的含量。方法安息香与硼离子形成复合物,在甘氨酸做缓冲溶液条件下,通过荧光分光光度法测定复合物中的硼,进而建立一种快速检测食品中的硼砂含量的方法。结果在该条件下硼砂根为10-7~10-5 mol/L范围内回归系数达到0.9999。利用该条件建立的测定面制品中硼砂的含量回收率为83%~102%,其中面粉中的回收率在100%左右。结论本研究证明使用该方法测定面粉及其制品中的硼酸根较为准确、可靠,为方便快速地测定食品中的硼砂提供了技术支持。
目的:建立一種安息香熒光衍生法測定麵粉及其製品中硼砂根的含量。方法安息香與硼離子形成複閤物,在甘氨痠做緩遲溶液條件下,通過熒光分光光度法測定複閤物中的硼,進而建立一種快速檢測食品中的硼砂含量的方法。結果在該條件下硼砂根為10-7~10-5 mol/L範圍內迴歸繫數達到0.9999。利用該條件建立的測定麵製品中硼砂的含量迴收率為83%~102%,其中麵粉中的迴收率在100%左右。結論本研究證明使用該方法測定麵粉及其製品中的硼痠根較為準確、可靠,為方便快速地測定食品中的硼砂提供瞭技術支持。
목적:건립일충안식향형광연생법측정면분급기제품중붕사근적함량。방법안식향여붕리자형성복합물,재감안산주완충용액조건하,통과형광분광광도법측정복합물중적붕,진이건립일충쾌속검측식품중적붕사함량적방법。결과재해조건하붕사근위10-7~10-5 mol/L범위내회귀계수체도0.9999。이용해조건건립적측정면제품중붕사적함량회수솔위83%~102%,기중면분중적회수솔재100%좌우。결론본연구증명사용해방법측정면분급기제품중적붕산근교위준학、가고,위방편쾌속지측정식품중적붕사제공료기술지지。
Objectvie To develop a benzoin fluorescence method for the determination of borax in flour and its products. Methods Benzoin and boron ions formed complexes in glycine buffer solution and then de-termined by fluorescence spectrophotometry, thereby establishing a method for rapid detection of food borax content. Results Under the described conditions, the proposed method was applicable over the concentration range ( 10-7~10-5 mol/L), the borate concentration was linear with the fluorescence intensity (regression coef-ficient: 0.9999), with recoveries for borax in flour and related products were almost 100and 83~102 respec-tively. Conclusion The established method for determination of borax in flour and its products is accurate and validated, which provides efficient technical support for rapidly detecting the borax in food.