Evaluating Grape Seed Extract Quality with NIR Spectroscopy
Author Information
Author(s): Lukacs Matyas, Vitalis Flora, Bardos Adrienn, Tormási Judit, Bec Krzysztof B., Grabska Justyna, Gillay Zoltan, Tömösközi-Farkas Rita A., Abrankó László, Albanese Donatella, Malvano Francesca, Huck Christian W., Kovacs Zoltan
Primary Institution: Hungarian University of Agriculture and Life Sciences
Hypothesis
Can near-infrared spectroscopy (NIRS) effectively evaluate the quality of grape seed extract (GSE) in the presence of additives?
Conclusion
NIRS combined with chemometrics can accurately assess the quality of grape seed extract and detect adulteration with similar compounds.
Supporting Evidence
- NIRS can detect adulteration in grape seed extracts with high accuracy.
- Models built using benchtop NIRS data performed significantly better than those using handheld devices.
- Statistical analysis showed significant differences in chemical composition among the extracts.
- Portable NIRS devices can be used effectively for on-site quality control of dietary supplements.
Takeaway
This study shows that scientists can use special light to quickly check if grape seed supplements are pure or mixed with other ingredients.
Methodology
Samples of grape seed extract were mixed with additives, and their quality was assessed using various NIRS devices and statistical models.
Potential Biases
Potential bias due to the specific types of extracts and devices used in the study.
Limitations
The study's findings may not apply to all types of grape seed extracts or other dietary supplements.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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