试验研究NO.06202375饲料研究FEEDRESEARCH超声波辅助索氏提取法提取柚皮精油的工艺优化及其成分分析关嘉文1刘政1杨希国2韩金莲3王会1*(1.锦州医科大学,辽宁锦州121001;2.辽宁省智慧安鲜物联网科技有限公司,辽宁沈阳110000;3.盘锦宋大房食品有限公司,辽宁盘锦124000)摘要:试验旨在对柚皮精油的提取工艺进行优化以提高柚皮精油的产量。采用超声波辅助索氏提取法提取柚皮精油,探究影响超声波辅助索氏提取法提取柚皮精油的主要因素,通过单因素试验和响应面分析法确定其最佳提取工艺。结果显示,最佳提取工艺条件为液料比8mL/g、索氏提取时间30min、超声功率206W、超声时间26min,柚皮中香精油的提取率达1.36%。经气相色谱和质谱联机分析精油成分,鉴定出38种主要挥发性物质,包括烷烯烃类、醇类、醚类、酮类、酯类和酚类等物质,其中醚类占28.94%,酯类占19.82%,醇类占13.84%,酮类占12.57%,烷烯烃类占10.33%。抑菌活性研究表明,柚皮精油对金黄色葡萄球菌、大肠杆菌、枯草芽孢杆菌、黑曲霉菌均具有较强的抑菌活性。研究表明,研究可为柚皮精油在饲料中的应用提供参考。关键词:柚皮精油;超声波;索氏提取法;气相色谱-质谱法;最低抑菌浓度中图分类号:S816.7文献标识码:A文章编号:1002-2813(2023)06-0075-06Doi:10.13557/j.cnki.issn1002-2813.2023.06.016StudyonextractionandcompositionanalysisofextractionprocessforextractingessentialoilfrompomelopeelGUANJia-wenLIUZhengYANGXi-guoHANJin-lianWANGHuiAbstract:Thestudywastooptimizetheextractionprocessofpomelopeelessentialoilandimprovetheyieldofpomelopeelessentialoil.Thesonic-assistedsoxhletextractionmethodwasusedtoextractpomelopeelessentialoil,andthemainfactorsaffectingtheextractionofpomelopeelessentialoilbysonic-assistedSoxhletextractionmethodwereexplored,andthesinglefactorexperimentandresponsesurfaceanalysismethodwereusedtodeterminethebestextractionprocess.Theresultsshowedthattheoptimalextractionconditionswereliquidtosolidratio8mL/g,soxhletextractiontime30min,ultrasonicpower206W,ultrasonictime26min,theextractionrateofessentialoilfrompomelopeelcouldreach1.36%.Throughtheon-lineanalysisofessentialoilcomponentsbygaschromatographyandmassspectrometry,38majorvolatilesubstanceswereidentified.Thecomposition...