Analyzing Vitamin E Powder with Spectroscopy
Author Information
Author(s): Rungchang Saowaluk, Kittiwachana Sila, Funsueb Sujitra, Rachtanapun Chitsiri, Tantala Juthamas, Sookwong Phumon, Yort Laichheang, Sringarm Chayanid, Jiamyangyuen Sudarat, Pu Hongbin
Primary Institution: Naresuan University
Hypothesis
This study aimed to investigate the effectiveness of NIR and MIR spectroscopy for identifying and predicting different vitamin E derivatives in encapsulated vitamin E powder.
Conclusion
NIR spectroscopy is a valuable nondestructive technique for analyzing vitamin E samples, while MIR spectroscopy serves as a useful method for confirming its presence.
Supporting Evidence
- NIR analysis provides more reliable predictive accuracy and precision for the contents of vitamin E derivatives.
- PLS cross-validation revealed that NIR predictions exhibited a significant level of accuracy.
- NIR spectroscopy is faster and nondestructive compared to MIR spectroscopy.
Takeaway
Scientists used special light techniques to see what kinds of vitamin E are in a powder, helping to make sure it's good for food and medicine.
Methodology
The study used near-infrared (NIR) and mid-infrared (MIR) spectroscopy to analyze vitamin E derivatives in encapsulated powder, employing principal component analysis and partial least squares regression for data analysis.
Limitations
The practical implementation of MIR analysis was insufficient, possibly due to a small number of samples, which results in low prediction accuracy.
Statistical Information
P-Value
0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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