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Food Science and Biotechnology | 2014

Phenylpropanoids from Red Kohlrabi Sprouts Inhibits Nitric Oxide Production in RAW 264.7 Macrophage Cells

Jae-Woong Lee; Dae-Young Lee; Dong-Ryeol Baek; Rak-Hoon Jeong; Dong-Sung Lee; Youn-Chul Kim; Geum-Soog Kim; Nam-In Baek; Youn-Hyung Lee

The sprouts of red kohlrabi (Brassica oleracea var. gongylodes) were extracted with methanol, and the concentrated extracts were successively partitioned with ethyl acetate, n-butyl alcohol (n-BuOH), and H2O. From the n-BuOH fraction, four phenylpropanoids were isolated through repeated silica gel and ODS column chromatographies. On the basis of physico-chemical and spectroscopic data including NMR, MS, and IR, the isolated compounds were identified as 3-(3,4,5-trimethoxyphenyl)-2E-propenoic acid methyl ester (1), (E)-sinapic acid methyl ester (2), (E)-sinapoyl glucoside (3), and lawsoniaside B (4). Moreover, the compounds dose-dependently inhibited NO production in RAW 264.7 cells with IC50 values of 41.22 (1), 38.32 (3), and 22.65 (4) μM, respectively. With further studies, these compounds may be potentially useful in developing new anti-inflammatory agents.


Journal of Applied Biological Chemistry | 2016

Phenolic compounds from the leaves of eggplant (Solanum melongena L.)

Dong-Ryeol Baek; Min-Jee Lee; Nam-In Baek; Kyeong-Hwa Seo; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2014

High-quality Nursery Production by a Newly Devised Grafting Method in Apples

Sun-Mi Lee; Byung-Soon Choi; Min-Ji Lee; Dong-Ryeol Baek; Jae-Young Lee; Hae-Woong Jung; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2014

Color Analysis of Shoot Bark by RGB Method for Deciding Fertilizing Degree in Apple Trees

Min-Ji Lee; Dong-Ryeol Baek; Sun-Mi Lee; Jae-Young Lee; Hae-Woong Jung; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2014

Evaluation of Orchard Management Systems based on Productivity and Profitability

Min-Ji Lee; Dong-Ryeol Baek; Sun-Mi Lee; Jae-Young Lee; Hae-Woong Jung; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2013

A Sampling Method for Organophosphorus Pesticides as Air-borne Particles Using Polyurethane Forms

Dong-Ryeol Baek; Min-Ji Lee; Byung-Soon Choi; Hae-Woong Jung; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2013

Comparison on Training Systems for a High-density Apple Orchard

Dong-Ryeol Baek; Min-Ji Lee; Byung-Soon Choi; Jae-Young Lee; Hae-Woong Jung; Youn-Hyung Lee


한국원예학회 학술발표요지 | 2013

A System for Producing High-quality Apple Nursery with Low Cost

Byung-Soon Choi; Dong-Ryeol Baek; Min-Ji Lee; Youn-Hyung Lee; Jae-Young Lee; Hae-Woong June


한국원예학회 학술발표요지 | 2012

A Newly Devised Grafting Method for Fruiting in Planting Year in Apple Trees

Dong-Ryeol Baek; Jae-Woong Lee; Youn-Hyung Lee; Byung-Soon Choi; Jae-Young Lee; Hae-Woong Jung


한국원예학회 학술발표요지 | 2012

Flavonoids from the Carrot Leaves (Daucus carota var. sativa )

Jae-Woong Lee; Dong-Ryeol Baek; Ji-Hae Park; Nam-In Baek; Youn-Hyung Lee

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Jae-Young Lee

Seoul National University

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