The flavonoids of leek, Allium porrum

被引：55

作者：

Fattorusso, E

Lanzotti, V

Taglialatela-Scafati, O

Cicala, C

机构：

[1] Univ Naples Federico II, Dipartimento Chim Sostanze Nat, I-86131 Naples, Italy

[2] Univ Naples Federico II, Dipartimento Farmacol Sperimentale, I-80131 Naples, Italy

来源：

PHYTOCHEMISTRY | 2001年 / 57卷 / 04期

关键词：

Allium porrum; alliaceae; leek; flavonoids; kaempferol glycosides; NMR; spectroscopy;

D O I：

10.1016/S0031-9422(01)00039-5

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A phytochemical investigation of the extracts obtained from bulbs of leek, Allium porrum L. has led to the isolation of five flavonoid glycosides based on the kaempferol aglycone. Two of them are new compounds and have been identified as kaempferol 3-O-[2-O-(trans-3-methoxy-4-hydroxycinnamoyl)-beta-D-galactopyranosyl]-(1-->4)O-Beta-D-glucopyranoside, and kaempferol 3-O-[2-O-(trans-3-methoxy-4-hydroxycinnamoyl)-beta-D-glucopyranosyl]-(1 -->4)-O-beta-D-glucopyranoside on the basis of spectroscopic methods. including 2D NMR. The isolated compounds have been evaluated for their human platelet anti-aggregation activity. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：565 / 569

页数：5

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