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羊肉微生物相调查及山梨酸钾的防腐作用

作  者:
裴家伟;王敏;吴风亮;张柏林
单  位:
河北农业大学;衡水学院生命科学系
关键词:
羊肉;微生物区系;山梨酸钾
摘  要:
7组样品统计分析表明,羊肉微生物相主要有8种类型的革兰氏阳性菌和阴性菌组成;从中选取5株代表性菌株并用山梨酸钾对其进行抑菌试验,结果表明,0.25‰以上山梨酸钾能够有效抑制105cfu/ml革兰氏阳性短芽孢杆菌和革兰氏阴性短杆菌的生长。
译  名:
羊肉微生物相调查及山梨酸钾的防腐作用
关键词:
mutton;microflora;potassium sorbate
摘  要:
7 samples were investigated for the levels and dominant species of microflora existing in mutton meat collected from local market of Baoding City.It was seen that there were 8 dominant Gram-negative and Gram-positive bacteria caus- ing the spoilage of mutton meat.The initial counts of the bacteria leading to the spoilage of mutton meat were 105cfu/ml.From them,5 isolates were selected purposely to investigate the roles of potas- sium sorbate in inhibiting their growth.0.25‰ concentration of potassium sorbate was proved to produce a clear inhibition toward the growth of spore-producing bacteria and Gram-negative plus short-shaped bacteria.

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