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New caryophyllene-type sesquiterpene and flavonol tetraglycoside with sixteen known compounds from sword bean (Canavalia gladiata)

Food Science and Biotechnology 2020년 29권 10호 p.1343 ~ 1353
안현정, 김은희, 이형재, 조정용, 문제학,
소속 상세정보
안현정 ( An Hyun-Jeong ) - Chonnam National University Department of Food Science and Technology
김은희 ( Kim Eun-Hee ) - Chonnam National University Department of Food Science and Technology
이형재 ( Lee Hyoung-Jae ) - Chonnam National University Department of Food Science and Technology
조정용 ( Cho Jeong-Yong ) - Chonnam National University Department of Food Science and Technology
문제학 ( Moon Jae-Hak ) - Chonnam National University Department of Food Science and Technology

Abstract


Eighteen compounds including new caryophyllene-type sesquiterpene and flavonol tetraglycoside were purified and isolated from sword beans (Canavalia gladiata). Two new compounds, (Z,1R,7S,9S)-7-hydroxy-11,11-dimethyl-8-methylenebicyclo[7.2.0]undec-4-ene-4-carboxylic acid (2) and kaempferol-7-O-α-L-dirhamnopyranosyl(1?→?2;1?→?6)-O-β-D-glucopyranosyl(1?→?2)-O-α-L-rhamnopyranoside (9), were identified. Other known compounds including methyl gallate (1), (2S,3S,4E,8E)-2-aminooctadeca-4,8-diene-1,3-diol 1-O-β-D-glucopyranoside (3), (2S,3S,4E,8Z)-2-aminooctadeca-4,8-diene-1,3-diol 1-O-β-D-glucopyranoside (4), lupeol (5), trilinolein (6), 1,6-di-O-galloyl β-D-glucopyranoside (7), N-(2-methoxybenzoyl)homoserine (8), dihydrophaseic acid (10), dillenetin (11), kaempferol-7-O-[2-O-β-D-glucopyranosyl-6-O-α-L-rhamnopyranosyl]-α-L-rhamnopyranoside (12), canavalioside (13), kaempferol-3-O-[2-O-β-D-glucopyranosyl-6-O-α-L-rhamnopyranosyl]-β-D-glucopyranoside (14), kaempferol-3-O-(2,6-O-α-L-dirhamnopyranosyl)-β-D-glucopyranoside (15), kaempferol-3-O-rutinoside (16), gladiatoside A1 (17), and gladiatoside B1 (18) were identified. The chemical structures of these compounds were determined by ESI?MS and NMR analyses.

키워드

Canavalia galidata; Sword bean; Flavonoid tetraglycoside; Sesquiterpenoic acid; Cerebioside

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