期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1064, 期 2, 页码 187-191出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2004.12.046
关键词
limonoids; citrus; solid-phase extraction; juice analysis
The development of delayed bitterness in citrus products is a major problem to citrus producers and juice processors worldwide. A rapid and sensitive liquid chromatography-electrospray ionization mass spectrometry (LC-ESI-MS) method has been developed to quantify the recognized precursors of limonoid derived delayed bitterness, limonoate and nomilinoate A-ring lactones, in a wide variety of citrus juices. The limonoid A-ring lactones were isolated by solid-phase extraction from juice samples, analyzed by negative ion LC-ESI-MS and quantified utilizing the standard addition method. Published by Elsevier B.V.
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