The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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Convenient Methods for the Extraction and Discrimination of Water-Soluble Plant Pigments

수용성 식물 색소 추출 및 판별에 관한 간편한 방법

  • 정상호 (목원대학교 바이오건강학부) ;
  • 변영호 (연세대학교 생명공학과)
  • Published : 2009.03.28
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Abstract

The use of colorants as additives for foods and drinks is a significant factor to food consumers in determining the acceptability of processed foods. In recent years, the number of previously used artificial colorants/dyes suitable for food use has been drastically reduced as a result of toxicological studies. Therefore, the use of natural pigments such as anthocyanins and betacyanins that were known to have anticancer and antioxidant activities is increasingly required. In this study, the water-soluble plant pigments, anthocyanins and betacyanins, were easily extracted with a very simple method using a few organic solvents such as ethyl acetate, ethyl ether, and chloroform. After the extraction of them, these two major plant pigments could be also simply and rapidly separated and discriminated by a solely one-stepped agarose gel electrophoresis in a citrate buffer (pH 3.0).

식품이나 음료 첨가제로 사용하는 착색제는 소비자가 가공된 식품을 믿고 인정할 수 있는 중요한 요인의 하나로 꼽을 수 있다. 예전에 식품에 안전하다고 다량 사용되었던 인공 착색제나 염료들의 종류는 근래 독성학적 연구 결과 유해하다고 판정되어 그 수가 급격히 줄고 있다. 따라서 안토시아닌이나 베타시아닌과 같이 안전한 천연 색소는 항암성과 항산화성을 갖고 있기에 그 수요가 꾸준히 늘고 있다. 본 연구에서는 수용성 식물 색소인 안토시아닌과 베타시아닌을 에틸 아세테이트, 에틸 에테르 및 클로로포름과 같은 몇 가지 유기용매로 간단히 추출할 수 있었다. 또한, 추출한 이 두 가지 주된 식물 색소는 citrate buffer (pH 3.0)를 이용한 아가로즈 겔 전기영동법 하나만으로 간편하고 빠른 시간 내에 전개하여 서로를 구분할 수 있었다.

Keywords

References

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