碳源对固定化费氏丙酸菌生产丙酸的影响研究  

Effect of the Carbon Sources on Propionic Acid Production by Immobilized Propionibacterium freudenreichii

作　　者：揣玉多[1] 马志刚[2] 王德培[2] 

机构地区：[1]天津现代职业技术学院生物化工系,天津300222 [2]天津科技大学生物工程学院,天津300457

出　　处：《安徽农业科学》2014年第11期3191-3192,3204,共3页Journal of Anhui Agricultural Sciences

摘　　要：[目的]研究碳源对固定化费氏丙酸菌生产丙酸的影响。[方法]采用吸附-包埋结合法制备固定化费氏丙酸菌细胞,用于生产丙酸,研究了碳源(葡萄糖、乳酸钠和蔗糖)及其浓度对固定化细胞生产丙酸的影响。[结果]最适宜的碳源为乳酸钠,最适浓度为40g/L,丙酸产量13.03 g/L。[结论]试验考察了碳源对固定化费氏丙酸菌生产丙酸的影响,为费氏丙酸菌的开发利用提供了依据。[Objective] To study effects of carbon sources on propionic acid production by immobilized Propionibacterium freudenreichii.[Method] The cells of Propionibacteriumfreudenreichii were immobilized in adsorption-entrapping methods for the production of propionic acid.The effect of the carbon sources （glucose,sodium lactate,sucrose） and their concentration on propionic acid production were investigated.[Result] The experimental results showed that the sodium lactate was more suitable carbon source than glucose and sucrose.The yield of propionic acid fermented with immobilized Propionibacterium freudenreichii reached up to13.03 g/L with The optimal sodium lactate concentration of 40 g/L.[Conclusion] Effects of carbon sources on propionic acid production by immobilized Propionibacteriumfreudenreichii were investigated,which will provide reference for development and utilization of Propionibacteriumfreudenreichii.

关 键 词：费氏丙酸菌 丙酸 碳源 

分 类 号：S188[农业科学—农业基础科学]