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Development of a Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Method for Characterizing Linalool Oral
Yan-Hong Wang1, Goutam Mondal1, Nicole Stevens2
1National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, USA.
Molecules (Basel, Switzerland)
|September 28, 2023
Summary
A new LC-MS/MS method quantifies linalool in human serum, crucial for understanding lavender essential oil
Area of Science:
- Pharmacology and Analytical Chemistry
Background:
- Lavender essential oil (LEO) is used for anxiety and sleep issues.
- Linalool is a key active compound in LEO.
- Human pharmacokinetics of oral LEO are not well understood.
Purpose of the Study:
- To develop and validate a rapid, sensitive LC-MS/MS method for measuring linalool in human serum.
- To apply this method to characterize the oral pharmacokinetics of linalool in humans.
Main Methods:
- Serum samples underwent protein precipitation and liquid-liquid extraction.
- Analysis used a C18 column with gradient elution (acetonitrile/water/formic acid).
- Quantification of linalool and internal standard (IS) was performed using LC-MS/MS.
Main Results:
- A validated LC-MS/MS method was established for serum linalool analysis.
- The method demonstrated precision, accuracy, selectivity, linearity, sensitivity, and stability.
- The method was successfully applied to human clinical trial samples.
Conclusions:
- The developed LC-MS/MS method enables accurate quantification of serum linalool.
- This method is essential for characterizing oral lavender essential oil pharmacokinetics in humans.
- It facilitates understanding potential pharmacokinetic and pharmacodynamic interactions.
