数字农科院2.0

柑橘皮渣降解菌的筛选及特性

文献类型: 中文期刊

作者: 李世忠;黄建国;李治玲;彭良志;李勇

作者机构:

关键词: 柑橘皮渣降解菌;柑橘精油;纤维素酶;果胶酶;16S rDNA

期刊名称:食品科学

ISSN: 1002-6630

年卷期: 2014 年 23 期

页码: 188-192

收录情况: 北大核心 ; CSCD

摘要: 为有效处理柑橘皮渣,筛选高效降解柑橘皮渣的菌株。本实验从堆肥中分离得到5株菌株,测定其香精油耐受性,选取两株耐受性较好的菌株测定纤维素酶和果胶酶活力,并进行柑橘皮渣降解实验。结果表明,菌株L207和L702在65℃条件下可正常生长,属于耐高温菌株;对柑橘香精油具有较好的耐受能力,其最大耐受体积分数为25.0%;2株菌株的纤维素酶活力和果胶酶活力分别是对照菌株(Bacillus subtilis L520)的1.31、2.08倍和12.68、7.30倍。柑橘皮渣降解实验表明,菌株能快速高效分解纤维素和果胶。16S r DNA基因序列分析鉴定表明菌株L207和L702均属于地衣芽孢杆菌(Bacillus licheniformis)。

分类号: Q939.9

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