Phenolic compounds in virgin olive oils .1. Low-wavelength quantitative determination of complex phenols by high-performance liquid chromatography under isocratic elution

被引:58
作者
Pirisi, FM
Angioni, A
Cabras, P
Garau, VL
diTeulada, MTS
dosSantos, MK
Bandino, G
机构
[1] UNIV TECN LISBOA, P-1100 LISBON, PORTUGAL
[2] CONSORZIO INTERPROV FRUTTICOLTURA, I-09123 CAGLIARI, ITALY
关键词
olive oil; phenols;
D O I
10.1016/S0021-9673(96)01034-5
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
An HPLC method that allows the determination of complex phenolic compounds at low lambda (225 nm) after solid-phase extraction from virgin olive oils is reported. The separation was achieved on ODS-2, ODS-1 and C-8 columns in eluting mixtures 10(-3) M H2SO4-CH3CN employed with different ratios. The method was employed for the quantitative determination of phenolic compounds in oils. It allows the presence of some new unknown compounds to be shown. The preliminary spectroscopic data of these compounds, probably phenolic, are reported. The reactivity with protic solvents of the deacetoxy oleuropeine aglycon is discussed.
引用
收藏
页码:207 / 213
页数:7
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