What is it about?
(±)-DMBO could be a potential IS for capsinoid determination because: (i) it is not present in pepper fruits; (ii) it is stable under analysis conditions; (iii) it elutes between capsiate and dihydrocapsiate; (iv) its chemical structure is closely related to that of capsinoids; (v) and its ionization behaviour and fragmentation pattern is shared by capsiate and dihydrocapsiate.
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Why is it important?
We have described for first time a simple synthesis approach of a capsinoid analogue suitable for internal standard in HPLC-ESI-MS analysis.
Perspectives
The development of a new IS will allow an accurate quantification of capsinoid by HPLC-ESI-MS, a useful tool for screening and selecting of cultivars containing capsinoids in pepper breeding programs and for gaining understanding of the metabolism of capsinoids.
Dr ANA GARCES-CLAVER
Centro de Investigación y Tecnología Agroalimentaria de Aragón
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This page is a summary of: Synthesis of (±)-3,4-dimethoxybenzyl-4-methyloctanoate as a novel internal standard for capsinoid determination by HPLC-ESI-MS/MS(QTOF), Open Chemistry, February 2018, De Gruyter,
DOI: 10.1515/chem-2018-0007.
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