HPLC에 의한 산지별 한국산 석류과피 중 항산화화합물의 함량분석
The quantitative analytical method for major antioxidants, ellagic acid and punicalagin, in pomegranate husk (Granati pericarpium) were established by HPLC. The optimal HPLC conditions were as follows: Column; Agilent Zorbax Eclipse XDB-C18 ($4.6{\times}150mm,\;5{\mu}m$), mobile phase; 1% formic aci...
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Published in | Hanʼguk Ŭngyong Saengmyŏng Hwahakhoe chi Vol. 48; no. 4; pp. 431 - 434 |
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Main Authors | , , , , , , , , , , , , , |
Format | Journal Article |
Language | Korean |
Published |
2005
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Abstract | The quantitative analytical method for major antioxidants, ellagic acid and punicalagin, in pomegranate husk (Granati pericarpium) were established by HPLC. The optimal HPLC conditions were as follows: Column; Agilent Zorbax Eclipse XDB-C18 ($4.6{\times}150mm,\;5{\mu}m$), mobile phase; 1% formic acid in water (A) and 1% formic acid in MeCN (B) (gradient elution of 5% to 100% B for 50 min), flow rate; 0.8 ml/min., detection; UV 254 nm. The optimal pre-treatment conditions for HPLC analysis were as follows: 5 g of pomegranate husk in 100 ml of 95% EtOH, refluxed for 3 h. Under these analytical conditions, punicalagin and ellagic acid contents in Korean pomegranates husks which were cultivated in five different sites were determined. As results, the ellagic acid and punicalagin (as a mixture of ${\alpha-\;and\;{\beta}-anomer$) contents were the highest in Haepyung pomegranate husk $(15.27{\mu}g/mg)$ and Jangsung pomegranate husk $(16.21{\mu}g/mg)$, respectively. 한국산 석류 과피 중 주요 성분으로 함유되어 있는 ellagic acid와 punicalagin에 대한 HPLC 정량법을 확립하였다. 확립된 방법은 다음과 같다. 즉 column은 Agilent Zorbax Eclipse XDB-C18($4.6{\times}150mm,\;5{\mu}m$), 이동상은 1% formic acid를 포함하는 순수(A)와 1% formic acid를 함유하는 MeCN(B)을 이용하여(A) 용매가 5%에서 50분 후 100%가 되도록 농도기울기를 주어 용출하며, 이 때 유속은 0.8 ml/min., 검출은 UV 254 nm이다. 석류 과피 중 ellagic acid와 punicalagin 함량을 분석하기 위한 최적 전처리 추출조건을 확립한 결과, 100 ml의 95% ethanol로 5 g의 석류 과피를 3시간 환류추출한 경우 상기 항산화 화합물의 추출효과가 가장 좋았다. 확립된 최적 분석 조건을 이용하여 재배지가 다른 국내산 석류 과피 5종 중 함량을 조사한 결과 ellagic acid의 함량은 해평산이 $15.27{\mu}g/mg$으로 가장 높았으며, punicalagin의 함량은 장성산이 $16.21{\mu}g/mg$으로 가장 높았다. 한편 이들의함량은 산지별로 매우 큰 차이를 보여 한국산 석류피를 건강기능식품 등의 원료로 이용할 경우 산지의 선택이 매우 중요할 수 있음을 시사하였다. |
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AbstractList | The quantitative analytical method for major antioxidants, ellagic acid and punicalagin, in pomegranate husk (Granati pericarpium) were established by HPLC. The optimal HPLC conditions were as follows: Column; Agilent Zorbax Eclipse XDB-C18 ($4.6{\times}150mm,\;5{\mu}m$), mobile phase; 1% formic acid in water (A) and 1% formic acid in MeCN (B) (gradient elution of 5% to 100% B for 50 min), flow rate; 0.8 ml/min., detection; UV 254 nm. The optimal pre-treatment conditions for HPLC analysis were as follows: 5 g of pomegranate husk in 100 ml of 95% EtOH, refluxed for 3 h. Under these analytical conditions, punicalagin and ellagic acid contents in Korean pomegranates husks which were cultivated in five different sites were determined. As results, the ellagic acid and punicalagin (as a mixture of ${\alpha-\;and\;{\beta}-anomer$) contents were the highest in Haepyung pomegranate husk $(15.27{\mu}g/mg)$ and Jangsung pomegranate husk $(16.21{\mu}g/mg)$, respectively. 한국산 석류 과피 중 주요 성분으로 함유되어 있는 ellagic acid와 punicalagin에 대한 HPLC 정량법을 확립하였다. 확립된 방법은 다음과 같다. 즉 column은 Agilent Zorbax Eclipse XDB-C18($4.6{\times}150mm,\;5{\mu}m$), 이동상은 1% formic acid를 포함하는 순수(A)와 1% formic acid를 함유하는 MeCN(B)을 이용하여(A) 용매가 5%에서 50분 후 100%가 되도록 농도기울기를 주어 용출하며, 이 때 유속은 0.8 ml/min., 검출은 UV 254 nm이다. 석류 과피 중 ellagic acid와 punicalagin 함량을 분석하기 위한 최적 전처리 추출조건을 확립한 결과, 100 ml의 95% ethanol로 5 g의 석류 과피를 3시간 환류추출한 경우 상기 항산화 화합물의 추출효과가 가장 좋았다. 확립된 최적 분석 조건을 이용하여 재배지가 다른 국내산 석류 과피 5종 중 함량을 조사한 결과 ellagic acid의 함량은 해평산이 $15.27{\mu}g/mg$으로 가장 높았으며, punicalagin의 함량은 장성산이 $16.21{\mu}g/mg$으로 가장 높았다. 한편 이들의함량은 산지별로 매우 큰 차이를 보여 한국산 석류피를 건강기능식품 등의 원료로 이용할 경우 산지의 선택이 매우 중요할 수 있음을 시사하였다. |
Author | 허종문 Hur, Jong-Moon Song, Kyung-Sik Song, Bang-Ho Lee, Jin-Man 송경식 김종국 Jeong, Hyun-Hee 정현희 Kwak, Hye-Min 곽혜민 이진만 Kim, Jong-Guk 송방호 |
Author_xml | – sequence: 1 fullname: 곽혜민 – sequence: 2 fullname: 정현희 – sequence: 3 fullname: 송방호 – sequence: 4 fullname: 김종국 – sequence: 5 fullname: 이진만 – sequence: 6 fullname: 허종문 – sequence: 7 fullname: 송경식 – sequence: 8 fullname: Kwak, Hye-Min – sequence: 9 fullname: Jeong, Hyun-Hee – sequence: 10 fullname: Song, Bang-Ho – sequence: 11 fullname: Kim, Jong-Guk – sequence: 12 fullname: Lee, Jin-Man – sequence: 13 fullname: Hur, Jong-Moon – sequence: 14 fullname: Song, Kyung-Sik |
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Title | HPLC에 의한 산지별 한국산 석류과피 중 항산화화합물의 함량분석 |
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