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국내 재배 상추로부터 UPLC-DAD-QToF/MS를 이용한 페놀화합물 성분 비교 연구

Study on Phenolic Compounds in Lettuce Samples Cultivated from Korea Using UPLC-DAD-QToF/MS

한국식품영양학회지 2019년 32권 6호 p.717 ~ 729
김헌웅 ( Kim Heon-Woong ) - 국립농업과학원 농식품자원부

이선혜 ( Lee Seon-Hye ) - 국립농업과학원 농식품자원부
 ( Asamenew Gelila ) - 국립농업과학원 농식품자원부
이민기 ( Lee Min-Ki ) - 국립농업과학원 농식품자원부
이수지 ( Lee Su-Ji ) - 국립농업과학원 농식품자원부
박진주 ( Park Jin-Ju ) - 국립농업과학원 농식품자원부
최용민 ( Choi Young-Min ) - 국립농업과학원 농식품자원부
이상훈 ( Lee Sang-Hoon ) - 국립농업과학원 농식품자원부

Abstract


The chemical informs about 70 individual phenolic compounds were constructed from various lettuce samples based on literature sources and analytical data. A total of 30 phenolic compounds including quercetin 3-O-glucuronide, quercetin 3-O-(6''-O- malonyl) glucoside, cyanidin 3-O-(6''-O-malonyl)glucoside, chlorogenic acid and chicoric acid as major components were identified in 6 lettuce samples from Korea using UPLC-DAD-QToF/MS on the basis of constructed library. Among these, quercetin 3,7-di-O-glucoside(m/z 627 [M+H]+), quercetin 3-O-(2''-O-malonyl)glucoside(morkotin C, m/z 551 [M+H]+), quercetin 3-O-(6''- O-malonyl)glucoside methyl ester(m/z 565 [M+H]+), 5-O-cis-p-coumaroylquinic acid(m/z 339 [M+H]+) and 5-O-caffeoylquinic acid methyl ester(m/z 369 [M+H]+) were newly confirmed from the lettuce samples. In total content of phenolic compounds, 4 red lettuce samples(2,947.7~7,535.6 mg/100 g, dry weight) showed higher than green lettuce(2,687.3 mg) and head lettuce(320.1 mg).

키워드

lettuce; phenolic compound; anthocyanin; UPLC-DAD-QToF/MS
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