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Determination of Capsaicinoids in Selected Commercial Pepper Powders and Pepper-Containing Products Using HPLC and Method Validation

HPLC를 이용한 일부 시판 고춧가루 및 고추 가공품의 Capsaicinoids 함량 분석 및 분석법의 검증

  • Ham, Hyeon-Mi (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Sung, Mi-Sun (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Kim, Young-Hwa (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Choi, Young-Min (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Jeong, Heon-Sang (Dept. of Food Science and Technology, Chungbuk National University) ;
  • Lee, Jun-Soo (Dept. of Food Science and Technology, Chungbuk National University)
  • Received : 2012.02.13
  • Accepted : 2012.05.14
  • Published : 2012.06.30

Abstract

The objective of this study was to determine the content of capsaicinoids in different commercial pepper powders and pepper-containing products in the Korean market. The two major capsaicinoids in the samples, capsaicin and dihydrocapsaicin, were analyzed using reversed-phase HPLC. The levels of capsaicin and dihydrocapsaicin in pepper powders and pepper-containing products ranged from 0.21 to 78.24 and 0.20 to 38.82 mg/100 g sample, respectively. Pepper powders contained generally higher amounts of capsaicin and dihydrocapsaicin than pepper- containing products. In addition, the analytical method validation parameters including accuracy, precision, and specificity were provided to ensure the validity of the extraction procedure for capsaicinoid analysis. Overall recovery from pepper powder and pepper paste was close to 100% (n=3). The results of validation parameters indicated that the present method was reliable and reproducible for the HPLC analyses of capsaicin and dihydrocapsaicin in commercial pepper products.

본 연구에서는 다양한 고추 가공품의 capsaicinoids 함량을 분석하고 분석 방법을 검증하고자 하였다. 본 연구에서는 역상 HPLC를 이용하여 고춧가루 및 고추 가공품의 capsaicin과 dihydrocapsaicin의 함량을 분석하였다. 연구 결과 고춧가루 및 고추 가공품의 capsaicin 함량은 0.21~78.24 mg/100 g이었으며 dihydrocapsaicin 함량은 0.20~38.82 mg/100 g으로 나타났다. 고추장, 초고추장, 쌈장, 소스류에 비해 고춧가루의 capsaicin과 dihydrocapsaicin의 함량이 높게 나타났다. Capsaicinoids의 분석방법을 검증하고자 정밀도, 정확도, 특수성을 분석하였다. 그 결과 회수율은 90% 이상이 었으며 재현성과 반복성의 CV%는 5% 이하로 우수하게 나타났다. 전반적으로 분석 방법의 검증 parameter들은 우수하였다.

Keywords

References

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