NIRS and Aquaphotomics Trace Robusta-to-Arabica Ratio in Liquid Coffee Blends
Abstract
:1. Introduction
2. Results and discussion
2.1. Varietal Discrimination of Pure Ground Coffee
2.2. Near Infrared Analysis of Ground Coffee Mixtures
2.3. Near Infrared Analysis of Pure Liquid Coffee Extracts
2.4. Near Infrared Analysis of Liquid Coffee Mixtures
3. Materials and Methods
3.1. Samples Preparation
3.2. Instrumental Analysis
3.3. Data Processing
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Validation Accuracy % | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Robusta-to-Arabica Ratio | |||||||||||
0% | 0.5% | 1% | 2% | 3% | 5% | 10% | 20% | 35% | 100% | ||
Robusta-to-Arabica ratio | 0% | 66.74 | 8.03 | 0 | 7.44 | 0 | 11.11 | 11.11 | 0 | 0 | 0 |
0.5% | 14.79 | 51.92 | 7.45 | 7.44 | 14.78 | 7.44 | 7.44 | 0 | 3.67 | 0 | |
1% | 0 | 3.96 | 70.41 | 0 | 7.44 | 0 | 0 | 11.11 | 0 | 0 | |
2% | 0 | 8.03 | 0 | 81.44 | 7.44 | 0 | 0 | 0 | 0 | 0 | |
3% | 3.67 | 20.02 | 3.67 | 0 | 55.56 | 7.44 | 3.67 | 0 | 0 | 0 | |
5% | 3.67 | 0 | 3.67 | 3.67 | 11.11 | 66.67 | 3.67 | 7.44 | 3.67 | 0 | |
10 % | 7.45 | 8.03 | 0 | 0 | 3.67 | 3.67 | 66.67 | 7.44 | 3.67 | 0 | |
20% | 3.67 | 0 | 14.79 | 0 | 0 | 3.67 | 7.44 | 70.33 | 3.67 | 0 | |
35% | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.67 | 85.32 | 0 | |
100% | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 |
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Aouadi, B.; Vitalis, F.; Bodor, Z.; Zinia Zaukuu, J.-L.; Kertesz, I.; Kovacs, Z. NIRS and Aquaphotomics Trace Robusta-to-Arabica Ratio in Liquid Coffee Blends. Molecules 2022, 27, 388. https://doi.org/10.3390/molecules27020388
Aouadi B, Vitalis F, Bodor Z, Zinia Zaukuu J-L, Kertesz I, Kovacs Z. NIRS and Aquaphotomics Trace Robusta-to-Arabica Ratio in Liquid Coffee Blends. Molecules. 2022; 27(2):388. https://doi.org/10.3390/molecules27020388
Chicago/Turabian StyleAouadi, Balkis, Flora Vitalis, Zsanett Bodor, John-Lewis Zinia Zaukuu, Istvan Kertesz, and Zoltan Kovacs. 2022. "NIRS and Aquaphotomics Trace Robusta-to-Arabica Ratio in Liquid Coffee Blends" Molecules 27, no. 2: 388. https://doi.org/10.3390/molecules27020388