超声辅助海藻碘制备工艺及其氨基酸组成分析  

Study on preparation technology and amino acid composition of ultrasonic-assisted seaweed iodine

作　　者：刘文倩 岳元媛 李加兴 欧阳华峰 王茹 王依平 LIU Wen-qian;YUE Yuan-yuan;LI Jia-xing;OUYANG Hua-feng;WANG Ru;WANG Yi-ping(Snowsky Salt Industry Group Co.,Ltd.,Changsha,Hunan 410004,China;Hunan Well Salt Engineering Technology Research Center,Changsha,Hunan 410004,China;Hunan Light Industry and Salt Industry Group Technology Center Co.,Ltd.,Changsha,Hunan 410004,China)

机构地区：[1]雪天盐业集团股份有限公司,湖南长沙410004 [2]湖南省井矿盐工程技术研究中心,湖南长沙410004 [3]湖南省轻工盐业集团技术中心,湖南长沙410004

出　　处：《食品与机械》2023年第3期161-166,共6页Food and Machinery

摘　　要：目的:提高海藻碘制备效率、降低成本。方法:研究在海带浸提工段加入超声波辅助技术。通过单因素和响应面试验设计优化了超声波辅助提取海藻碘的工艺,利用高效液相色谱法对终产品中氨基酸组成进行了分析。结果:超声辅助浸提的最优工艺条件为超声功率125 W、超声时间130 min、超声温度57℃,该工艺条件下海藻碘的提取率为39.85%,是不使用超声辅助工艺的1.6倍。制备的海藻碘产品含有11种氨基酸,包括2种必需氨基酸,2种鲜味氨基酸,同时还检测出了二碘酪氨酸。结论:超声辅助技术可以提高海藻碘的生产效率。Objective:This study aimed to improve the preparation efficiency seaweed iodine and reduce the cost.Methods:The ultrasonic assisted technology was applied in kelp extraction section.The ultrasonic-assisted extraction technology of seaweed iodine was optimized by single factor and response surface test design.The amino acid composition in the final product was analyzed by high performance liquid chromatography(HPLC).Results:The optimal extraction conditions were as follows:ultrasonic power 125 W,ultrasonic time 130 min and ultrasonic temperature 57℃.Under the control of these conditions,the extraction yield was 39.85%,which was 1.6 times higher than that without ultrasonic-assisted extraction.The seaweed iodine products contained 11 kinds of amino acids,including 2 kinds of essential amino acids and 2 kinds of umami amino acids,and diiodotyrosine was also detected.Conclusion:Ultrasonic-assisted preparation can improve the production efficiency of iodine in seaweed.

关 键 词：超声波 海藻碘 提取 氨基酸 

分 类 号：TS254.1[轻工技术与工程—水产品加工及贮藏工程]