Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Analytical Method Development for Determination of Coenzyme Q10 by LC-MS/MS in Related Health Functional Foods

건강기능식품에서 LC-MS/MS를 이용한 코엔자임Q10 분석법 연구

  • Lee, Jin Hee (Imported Food Analysis Division, Gyeongin Regional Office of Food and Drug Safety) ;
  • Oh, Mihyune (Imported Food Analysis Division, Gyeongin Regional Office of Food and Drug Safety)
  • 이진희 (경인지방식품의약품안전청 수입식품분석과) ;
  • 오미현 (경인지방식품의약품안전청 수입식품분석과)
  • Received : 2019.09.20
  • Accepted : 2019.10.28
  • Published : 2019.12.30
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Abstract

The Ministry of Food and Drug Safety (MFDS) is amending its test methods for health functional foods (dietary food supplements) to establish regulatory standards and specifications in Korea. In this regard, we are continuing our research on analytical method development for the items listed in the Korean Health Functional Food Codex. In this study, we have developed a sensitive and selective test method that could simultaneously separate and determine coenzyme Q10 based on liquid chromatographic-tandem mass spectrometry (LC-MS/MS). Calibration curves showed linearity with a correlation coefficient (R2) of > 0.999 and the limits of detection (LODs) and limits of quantitation (LOQs) were in the range of 26.0 ㎍/L and 78.9 ㎍/L, respectively. The recovery results ranged between 98.6-107.0% at 3 different concentration levels with relative standard deviations (RSDs) less than 5%. The proposed analytical method was characterized with high resolution of the coenzyme Q10 and the assay was fully validated as well.

건강기능식품의 경우 단성분보다는 복합제품 개발이 우선시되고, 12가지 기본제형이외에도 일반식품형태의 제품으로 범위가 확대되고 있다. 이러한 제품에서 기능성(지표)성분을 효율적으로 분석할 수 있는 방법에 대한 연구가 필요한 실정이다. 복합제품 등에서 정성·정량 가능한 코엔자임Q10을 효과적으로 분석할 수 방법을 확립하기 위하여 본 연구를 수행하였다. 액체크로마토그라프-질량분석기(LC-MS/MS)를 이용하여 건강기능식품 중 코엔자임Q10의 정성·정량시험법을 확립하였다. 확립된 시험법에 대해 특이성, 검출한계, 정량한계, 정확도, 정밀도에 대한 검증을 통하여 유효성을 확인하였다. 또한 시중 유통검체 14건을 확보하여 시험의 적용가능성도 검토하였다. 직선성에서는 R2>0.999 이상임을 확인하였고, 검출한계 및 정량한계는 각각 26.0 및 78.9 ㎍/L이었다. 또한 평균 회수율은 98.6-107.0%로 나타났으며, 반복정밀도는 상대표준편차 4.0%이하, 실험실간 재현성은 2.4%로 나타나 정확성, 재현성이 우수하였으며 이는 AOAC 가이드라인에서 제시한 기준에 모두 적합한 수준이었다. 시중 유통 제품에 대하여 실험한 결과 84.0-118.7%로 모두 적합하였다. 따라서 본 연구에서 개발된 분석법은 건강기능식품 중 코엔자임Q10의 정성·정량분석에 이용될 수 있으며, 우수한 품질의 건강기능식품유통에 기여할 것으로 판단된다.

Keywords

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