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 inHanʼguk Ŭngyong Saengmyŏng Hwahakhoe chi Vol. 48; no. 4; pp. 431 - 434
Main Authors 곽혜민, 정현희, 송방호, 김종국, 이진만, 허종문, 송경식, Kwak, Hye-Min, Jeong, Hyun-Hee, Song, Bang-Ho, Kim, Jong-Guk, Lee, Jin-Man, Hur, Jong-Moon, Song, Kyung-Sik
Format Journal Article
LanguageKorean
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.
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
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Keywords pomegranate husk
antioxidant
punicalagin
ellagic acid
quantitative analysis
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Title HPLC에 의한 산지별 한국산 석류과피 중 항산화화합물의 함량분석
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