Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Characterization and Stability of Gardenia Jasminoides Biotransformed Pigment Produced in Jar Fermentor

Jar Fermentor에서 생산된 치자 생물변환 색소의 특성 및 안정성

  • Kim, Seon-Jae (Food industrial Technology Research Center, Mokpo National University) ;
  • Jang, Hong-Gi (Natutal Engineering Tesearch Insitute)
  • 김선재 (목포대학교 식품산업기술연구센터) ;
  • 장홍기 (한국천연물공학연구소)
  • Published : 2005.07.01
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Abstract

Yellow pigment of Gardenia jasminoides was converted into new pigment by whole-cell biotransformation of thirteen different microbial species. The color value of the biotransformed pigment, which was produced by Streptococcus mutans MK-34, was higher than those of other biotransformed pigments. The biotransformed pigment produced by S. mutans MK-34 dispalyed an characteristic absorption peak at 588 nm and the absorption value increased during the incubation in a jar fermentor. The effects of light and temperature $(60^{\circ}C)$ on storage stability of the biotransformed pigment were investigated. As a result, the biotransformed pigments produced by Streptococcus mutans and Bacillus subtilis were more stable than Gardenia jasminoides yellow pigment during storage.

치자황색소로부터 생물변환색소를 생산하기 위하여 Gram 양성 세균 7종, Gram 음성세균 4종, 효모 2종 등 총 13종의 미생물을 jar fermentor에서 배양하고 치자황색소를 첨가한 후 7일간 생물변환된 색소의 색가에 대해 조사한 결과,S. mutans MK-34에 의해 변환된 색소의 색가가 가장 높았다. 치자황색소가 jar fermentor 안에서 S. mutans MK-34에 의한 변환의 특징은 588 nm에서 새로운 흡수극대가 나타나며, 흡광도값은 배양시간이 경과함에 따라 증가하였다 S. mutans에 의한 생물변환 색소를 대상으로 광 및 온도에 대한 안정성 조사에서 치자황색소에 비해 생물변환 색소가 일광 조건 및 $60^{\circ}C$ 온도조건에서 안정성을 나타내었다.

Keywords

References

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