The occurrence in olive oil of a new class of phenolic compounds: hydroxy-isochromans

被引:66
作者
Bianco, A [1 ]
Coccioli, F [1 ]
Guiso, M [1 ]
Marra, C [1 ]
机构
[1] Univ Roma La Sapienza, Dipartimento Chim, I-00185 Rome, Italy
关键词
olive oil; phenol fraction; isochromans; HPLC-MS/MS;
D O I
10.1016/S0308-8146(01)00366-1
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A new class of phenolic compounds, hydroxy-isochromans, was found in different samples of extra-virgin olive oil. In particular, the presence of 1-phenyl-6,7-dihydroxy-isochroman, 10 and 1-(3'-methoxy-4'-hydroxy)phenyl-6,7-dihydroxy-isochroman, 11 was demonstrated by comparison of the high performance liquid chromatography-mass/mass (HPLC-MS/MS) spectra of biophenolic samples from extra-virgin olive oils with those of compounds obtained by a reaction between hydroxytyrosol and the aromatic aldehydes, benzaldehyde and vanillin, respectively. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码:405 / 411
页数:7
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