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Analytical Validation of Rosmarinic Acid in Water Extract of Perilla frutescens Britton var. acuta Kudo as Functional Health Ingredient

건강기능식품 기능성 원료로써 장흥 차조기 열수 추출물의 지표성분인 로즈마린산 분석법 검증

  • Park, Sung-Yong (Department of Pharmacy, College of Pharmacy, Mokpo National University) ;
  • Kim, Jung-Eun (Department of Pharmacy, College of Pharmacy, Mokpo National University) ;
  • Choi, Chul-Yung (Jeonnam Bioindustry Foundation, Institute of Natural Resources Research) ;
  • Lee, Dong-Wook (Jeonnam Bioindustry Foundation, Institute of Natural Resources Research) ;
  • Kim, Ki-Man (Serom Co., Ltd. Research Institute) ;
  • Yoon, Goo (Department of Pharmacy, College of Pharmacy, Mokpo National University) ;
  • Yoon, In-Su (Department of Pharmacy, College of Pharmacy, Mokpo National University) ;
  • Moon, Hong-Seop (Department of Pharmacy, College of Pharmacy, Mokpo National University) ;
  • Cho, Seung-Sik (Department of Pharmacy, College of Pharmacy, Mokpo National University)
  • 박성용 (목포대학교 약학과) ;
  • 김정은 (목포대학교 약학과) ;
  • 최철웅 (전라남도 생물산업진흥재단 천연자원연구원) ;
  • 이동욱 (전라남도 생물산업진흥재단 천연자원연구원) ;
  • 김기만 ((주)새롬) ;
  • 윤구 (목포대학교 약학과) ;
  • 윤인수 (목포대학교 약학과) ;
  • 문홍섭 (목포대학교 약학과) ;
  • 조승식 (목포대학교 약학과)
  • Received : 2014.09.23
  • Accepted : 2014.10.30
  • Published : 2015.01.31

Abstract

This study attempted to establish an HPLC analysis method for determination of marker compounds as a part of material standardization for the development of health functional food materials from Perilla frutescens Britton var. acuta Kudo. The quantitative determination method of rosmarinic acid as a marker compound of P. frutescens Britton var. acuta Kudo extract (PFE) was optimized by HPLC analysis using a C18 column ($4.6{\times}150mm$, $5{\mu}m$) with 0.1% acetic acid as the elution gradient and methanol as the mobile phase at a flow rate of 1 mL/min and detection wavelength of 280 nm. The HPLC/UV method was applied successfully to quantification of the marker compound in PFE after validation of the method with linearity, accuracy, and precision. The method showed high linearity in the calibration curve at a coefficient of correlation ($R^2$) of 0.9995, and the limit of detection and limit of quantitation were $0.36{\mu}g/mL$ and $1.2{\mu}g/mL$, respectively. Relative standard deviation (RSD) values of data from intra- and inter-day precision were less than 3.21% and 1.43%, respectively. Recovery rate test at rosmarinic acid concentrations of 12.5, 25 and $50{\mu}g/mL$ scored between 97.04~98.98% with RSD values from 0.25~1.97%. These results indicate that the established HPLC method is very useful for the determination of marker compound in PFE to develop a health functional material.

차조기 열수 추출물을 개별인정형 건강기능식품 기능성 원료로 개발하기 위하여 지표성분 표준화를 위한 rosmarinic acid의 분석법 설정과 분석법에 대한 밸리데이션을 실시하였다. 1% acetic acid가 첨가된 water와 methanol을 이동상으로 하고 Zorbax extended-C18($4.6{\times}150mm$, $5{\mu}m$) 칼럼을 사용하여 기울기 용리(gradient elution) 방법으로 분석하였다. 본 연구에서는 분석법을 확립하고 분석법에 대하여 특이성, 직선성, 정확성과 정밀성 그리고 회수율에 대하여 확인하였다. Rosmarinic acid의 검량선은 $R^2$=0.9995로 좋은 선형성을 보였으며 정량한계와 검출한계는 각각 $1.2{\mu}g/mL$$0.36{\mu}g/mL$였다. 일내와 일간 분석에서 상대표준편차(RSD)는 각각 3.21%와 1.43% 미만으로 나왔다. 정밀성 측정 결과에서는 97.04~98.98%로 나왔고, RSD는 0.25~1.97%였다. 그러므로 HPLC를 이용한 rosmarinic acid의 분석법이 차조기 열수 추출물 기능성원료 표준화를 위한 적합한 시험법임이 검증되었다. 본 시험법에 따라 분석한 차조기 열수 추출물 내의 rosmarinic acid의 함량은 세 lot를 3회 분석하였을 때 평균 0.03%로 나왔다. 따라서 본 연구를 통하여 확립된 rosmarinic acid의 분석법이 차조기열수 추출물 개별인정형 건강기능식품 기능성 원료 개발을 위한 기초자료로 활용될 것으로 사료된다.

Keywords

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