水生动物营养NO.02202375饲料研究FEEDRESEARCH植物乳杆菌MH079448对日本鳗鲡肌肉品质的影响陈斯艺陈恢祥汤曜名郭衍彪*(佛山科学技术学院食品科学与工程学院,广东佛山528225)摘要:试验旨在研究植物乳杆菌MH079448对日本鳗鲡(Anguillajaponica)肌肉品质的影响。选取810尾幼鱼,随机分为3组,每组3个重复,每个重复90尾鱼。植物乳杆菌组(LP组)鱼饲喂添加植物乳杆菌的饵料,恶喹酸阳性对照组(OA组)和空白对照组(C组)鱼饲喂添加与植物乳杆菌等量的无菌生理盐水饵料,OA组鳗鲡幼苗以5mg/L恶喹酸抗生素单次药浴12h。试验期28d。结果显示,LP组日本鳗鲡肌肉的硬度、黏性、弹性和咀嚼性均高于C组(P>0.05)。与C组、OA组相比,LP组日本鳗鲡肌肉中的水分含量显著升高(P<0.05),肌肉中鲜味氨基酸含量显著升高(P<0.05),鲜味氨基酸/总氨基酸的占比显著升高(P<0.05),赖氨酸含量显著升高(P<0.05)。研究表明,添加植物乳杆菌能够改善日本鳗鲡肌肉硬度、黏性、弹性和咀嚼性,提高水分含量,提升肌肉的鲜味氨基酸含量。关键词:日本鳗鲡;植物乳杆菌;抗生素;氨基酸;肌肉质构中图分类号:S963文献标识码:A文章编号:1002-2813(2023)02-0075-04Doi:10.13557/j.cnki.issn1002-2813.2023.02.015EffectofLactobacillusplantarumMH079448onmusculequalityofAnguillajaponicaCHENSi-yiCHENHui-xiangTANGYao-mingGUOYan-biaoAbstract:ThepurposeoftheexperimentwastostudytheeffectofLactobacillusplantarumMH079448onthemusclequalityofAnguillajaponica.Atotalof810juvenilefishwererandomlydividedintothreegroups,withthreereplicatesineachgroupand90fishineachreplicate.ThefishinLactobacillusplantarumgroup(LPgroup)werefedwithdietsupplementedwithLactobacillusplantarum,whilefishinquinacpositivecontrolgroup(OAgroup)andblankcontrolgroup(Cgroup)werefeddietsupplementedwithasepticsalinecontainingthesameamountofLactobacillusplantarum.AnguillajaponicainOAgroupweretreatedwith5mg/Loxaquicacidantibioticsinasingledrugbathfor12h.Theexperimentlastedfor28d.Theresultsshowedthatthemusclehardness,viscosity,elasticityandchewabilityofAnguillajaponicainLPgroupwerehigherthanthoseinCgroup(P>0.05).ComparedwithCgroupandOAgroup,thewatercontentinmuscleofAnguillajaponicainLPgroupwassignificantlyincreased(P<0...