Chitosan Production from Mutant of Cunninghamella blakesleeana IFO 4443

Cunninghamella blakesleeana IFO 4443의 변이주로부터 키토산의 생산

  • 류병호 (경성대학교 식품공학과) ;
  • 김희숙 (경성대학교 식품공학과) ;
  • 원용돈 (부경대학교 고분자공학과) ;
  • 임복규 (부산지방식품의약품청)
  • Published : 1997.02.01

Abstract

A method for lab scale production and isolation of chitosan from mycelia of Cunninghamella blakesleeana IFO 4443 mutant was developed. Mutant of Cunninghamella blakesleeana IFO 4443-10 obtained by W radiation was cultivated in 5L jar fermentor at 3$0^{\circ}C$ for 3days. The fungus were grown well at pH 4.5 Chitosan was readily extracted from mycelia walls with alkali treatment. The maximum yield of chitosan obtained was 1012mg/L and degree of deacetylation was 84.6%.

키토산을 생산하기 위하여 Cunninggamella blak-esleeana IFO 4443을 자외선조사하여 생성능이 우수한 Cunningmella blakesleeana IFO 4443-10의 변이주를 분리하였다. 본 변이주인 C. blakesleeana IFO 4443-10을 3$0^{\circ}C$에서 pH 4.5에서 3일간 발효하여 mycelia 발효액을 알칼리로 처리하여 chitosan을 얻었다. 이때 chitosan의 수율은 1012mg/l로 높았으며 탈아세틸화는 84.6% 이였다.

Keywords

References

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