An HPLC-UV Method to Assess Human Plasma 25(OH)D3
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View abstract on PubMed
Summary
This summary is machine-generated.This study validated an HPLC-UV method for assessing vitamin D status by accurately quantifying 25-hydroxyvitamin D3. The reliable method demonstrated excellent linearity and recovery rates for clinical use.
Area Of Science
- Analytical Chemistry
- Biochemistry
- Clinical Diagnostics
Background
- Accurate assessment of vitamin D status is crucial for public health.
- 25-hydroxyvitamin D3 (25(OH)D3) is the primary indicator of vitamin D status.
- Validated analytical methods are essential for reliable vitamin D testing.
Purpose Of The Study
- To validate a High-Performance Liquid Chromatography-Ultraviolet (HPLC-UV) method for quantifying 25-hydroxyvitamin D3 (25(OH)D3).
- To establish the method's linearity, precision, accuracy, and robustness for assessing vitamin D status.
Main Methods
- HPLC-UV analysis using an Acclaim™ 120 C18 column.
- Preparation of 25(OH)D3 calibration curves from 5 to 50 ng/mL.
- Extraction of vitamin D from plasma samples using acetonitrile and formic acid.
- Validation conducted according to FDA guidelines.
Main Results
- Excellent linearity for the 25(OH)D3 calibration curve (R² = 0.9989).
- Detection and quantification limits of 1.1703 ng/mL and 3.5462 ng/mL, respectively.
- High percentage recovery rates (92.2% to 97.1%) indicating method accuracy.
Conclusions
- The validated HPLC-UV method is reliable for quantifying 25(OH)D3 in human plasma.
- This method can be effectively used to assess vitamin D status.
- The method's robustness was confirmed through analysis of temperature and flow rate variations.
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