Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Optimization of Proteolytic Enzyme Treatment for the Production of Spirulina Extract

단백질 분해 효소를 이용한 스피루리나 추출물 제조 공정 최적화

  • Published : 2008.04.30
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Abstract

An efficient production method of spirulina extract was developed by enzymatic treatment using proteolytic enzymes. The suitable dosage of Tunicase, a cell lytic enzyme, was used to be 2.0% (w/w). To maximize solid recovery and spirulina extraction (SE) index, which indicates nucleic acid-related substances content, the dosage of Alcalase, commercially available pretense, was found to be 1.0% (w/w). By simultaneous treatments using optimal dosages of Tunicase and Alcalase, the highest SE index and solid recovery were obtained. The SE index and solid recovery of simultaneous treatments were notably enhanced by 100% ($11.4%\;{\rightarrow}\;22.8%$) and 56% ($45.2%\;{\rightarrow}\;70.7%$), respectively, than those of the non-treated extracts.

세포벽 분해 효소와 단백질 분해 효소를 이용하여 스피루리나 추출물을 효율적으로 생산할 수 있는 방법을 조사하였다. 특히 단백질 분해 효소의 처리 조건을 최적화하여 효율적인 스피루리나 추출물의 제조공정을 제시하였다. 세포벽 분해 효소인 Tunicase는 스피루리나의 중량 기준으로 2%를 사용하였고 2시간 동안 반응시켰다. 상업용 단백질 분해 효소로는 Alcalase를 사용하였다. 이때, Alcalase의 최적 사용량은 1%이었으며, 효소 반응 시간은 2시간이 적절하였다. Tunicase와 Alcalase의 처리 방법에서 Tunicase를 먼저 사용한 후 Alcalase를 사용하는 순차적으로 처리하는 것이 고형분 회수율과 spirulina extraction (SE) index를 최대로 증가시킬 수 있는 효과적인 방법이었다. 두 효소를 순차적으로 반응시키면 단순 열수 추출보다 고형분 회수율은 약 56%($45.2%\;{\rightarrow}\;70.7%$), SE index는 약 100%($11.4%\;{\rightarrow}\;22.8%$) 증가하였다.

Keywords

References

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