Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Studies on the Stability of Natural Pigment Extracted from Ascidian shell

멍게 껍질(Ascidian shell)로부터 추출한 천연색소의 안정성에 대한 연구

  • Park, Sin-Ho (Mokwon University, College of Sciences & Technology, Division of Biomedicinal & Cosmetics) ;
  • Yang, Jae-Chan (Mokwon University, College of Sciences & Technology, Division of Biomedicinal & Cosmetics)
  • 박신호 (목원대학교 테크노과학대학 생의약화장품학부) ;
  • 양재찬 (목원대학교 테크노과학대학 생의약화장품학부)
  • Received : 2018.03.02
  • Accepted : 2018.03.27
  • Published : 2018.03.30
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Abstract

In this study, Ascidian shell pigment was extracted, first using a 100.0 % ethanol solvent, proceeding with the dilution of it with DMSO (Dimethyl sulfoxide). The extracted pigment was evaluated to verify the stability. The absorbance of light have been evaluated according to pH levels and using the color-difference meter. As a result, it could be seen that absorbance and chromaticity ${\pm}a$ values were most stable at a pH level of 7.0 By keeping the sample at a pH level of 3.0, it could be observed that the absorbance and the chromaticity ${\pm}a$ values were decreased. Based on this observation, it can be deduced that the discoloration of the pigment can be prevented if kept at a neutral pH level. When antioxidants were added, the absorbance of the pigment increased, and the best effects could be seen in the ${\alpha}-tocopherol$ and glutathione samples.

본 연구는 멍게 껍질을 100.0 % 에탄올 용매로 추출한 후 DMSO로 희석하여 색소안정성을 평가하였다. pH에 따른 흡광도와 색차계 값을 측정한 결과 pH 7.0에서 흡광도와 색도의 ${\pm}a$값이 가장 안정하게 나타났다. pH 3.0에서 흡광도의 감소가 나타났고 색도의 ${\pm}a$값이 감소하여 멍게 껍질 색소는 pH가 중성에 가까울수록 변색방지의 효과가 있을 것으로 판단된다. 항산화제 첨가시 색소의 흡광도가 증가하였으며 ${\alpha}-tocopherol$과 Glutathione이 가장 우수한 효과를 나타내었다.

Keywords

References

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