Journal
METABOLITES
Volume 10, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/metabo10010040
Keywords
10-Hydroxy-2-decenoic acid; fatty acids; high resolution mass spectrometry; royal jelly
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Funding
- Stavros Niarchos Foundation
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The lipidome of royal jelly (RJ) consists of medium-chained (8-12 carbon atoms) free fatty acids. We present herein a liquid chromatography-high resolution mass spectrometry (HRMS) method that permits the determination of RJ fatty acids and at the same time the detection of suspect fatty acids. The method allows for the direct quantification of seven free fatty acids of RJ, avoiding any derivatization step. It was validated and applied in seven RJ samples, where the major RJ fatty acid trans-10-hydroxy-2-decenoic acid (10-HDA) was found to vary from 0.771 +/- 0.08 to 0.928 +/- 0.04 g/100 g fresh RJ. Four additional suspect fatty acids were simultaneously detected taking advantage of the HRMS detection.
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