High hexanoic acid production by Megasphaera BS-4 with sodium acetate and butyrate
- High hexanoic acid production by Megasphaera BS-4 with sodium acetate and butyrate
- 전병승; 김세일; 엄영순; 상병인
- Hexanoic acid
- Issue Date
- 32nd Symposium on Biotechnology for Fueld and Chemicals
- Cow rumen is the habitat for bacteria producing various volatile fatty acids. Among the volatilefatty acids, hexanoic acid could be used as cosmetic ingredient and food addictive. Thus, we investigated to evaluate hexanoic acid producing capacity of isolated megasphaera BS-4 from cow rumen. Mehaspeaera BS-4 produced acetic acid, butyric acid, pentanotic acid, hexanoic acid, hexanoic acid, and octanoic acid. For high hexanoic acid production, the optimum medium condition was elected through response surface methodology, and the concentrations of acetic acid, butyric acid, and fructose were the important factor for hexanoic acid production. Megasphaera BS-4 produced the maximum concentration and production rate of hexanoic acid, around 10g/L and 0.33g/L/hr, respectively when 12 g/L of sodium acetate and butyrate were added without pH adjustment. Acetate and butyrate were consumed for the hexanoic acid production and pH was 6.0~6.5 for culturing time.
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