酸笋中高产甘露醇异型发酵乳酸菌的筛选及其发酵性能Screening and Fermentation Performance of Heterofermentative Lactic Acid Bacteria with High-Yield Mannitol from Sour Bamboo Shoots
卢宏皓,刘昭明,黄翠姬,虞珂娜,万堃华
摘要(Abstract):
为了获得适用于工业化接种发酵酸笋的异型乳酸菌,以自然发酵的酸笋为来源,通过分离纯化、性能测定和分子生物学鉴定,获得了一株异型发酵的柠檬明串珠菌NM-12(Leuconostoccitreum NM-12)。研究结果表明,该菌株的产酸量为6.81 g/L,亚硝酸盐降解率为79.05%,在果糖浓度为40 g/L、pH 5的条件下,其甘露醇产量为22.98 g/L,果糖转化率为57.45%。
关键词(KeyWords): 异型乳酸菌;酸笋;分子生物学;柠檬明串珠菌;甘露醇
基金项目(Foundation):
作者(Author): 卢宏皓,刘昭明,黄翠姬,虞珂娜,万堃华
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