作　　者： ; ; ; ; ;

机构地区： 江西农业大学生物科学与工程学院

出　　处： 《食品工业科技》 2012年第5期152-155,共4页

摘　　要： 为了研究荔枝干贮藏销售期内普遍存在的微生物超标及霉变问题,对市场零售的散装荔枝干样品进行了微生物数量的测定,并对散装和真空包装的荔枝干样品中的霉菌进行了分离、纯化、鉴定。结果表明:20%样品菌落总数>750cfu/g,80%样品霉菌总数>50cfu/g,抽样合格率为20%;从荔枝干样品中分离得到5株霉菌,通过形态学观察鉴定为黄曲霉、黑曲霉、烟曲霉、红曲霉和黑绿青霉,并确定曲霉属菌株为荔枝干表面霉菌的优势菌群。 In order to study the microbiological control and mold damage of dried litchi in storage period,the colony counts of microorganism from dried litchi sample in bulk and the fungi causing mold damage from vacuum and bulk packaging of sample were analyzed.The result indicated that total microbial count of 20% sample was greater than 750cfu/g,total fungi count of 80% sample was greater than 50cfu/g,and the eligibility rate was 20%.Five strains of mould include Aspergillus flavus,A.niger,A.fumigatus,Monascus and Penicillium atramentosum were separated and purified from vacuum and bulk packaging of dried litchi and the dominate microorganism of mould were identified as Aspergillus.

关 键 词： 荔枝干 霉变 霉菌 鉴定

领　　域： [轻工技术与工程] [轻工技术与工程]