Table A.1.
Summary of the novel non-destructive detection methods
| ELECTRONIC NOSE | NEAR/MID IR SPECTROSCOPY | RAMAN SPECTROSCOPY | VISION TECHNOLOGY | HYPERSPECTRAL IMAGING | |
|---|---|---|---|---|---|
| Type of Information | Odour | Spectra | Spectra | Image | Spectra and image |
| Sample size | N/A | Small | Small | Large | Large |
| Data size | Small | Small | Small | Small | Large |
| Technical difficulty | Low | High | High | High | Higher |
| Cost | Low | Low | Low | High | High |
| Speed | Fast | Fast | Fast | Very fast | Fast |
| Replicates needed | >5 | 3–5 | 3–5 | 3–5 | 1 |
| Suitability for on-line meat inspection (Advantages & Weaknesses) | Sufficient sensor stability buy lacks of absolute calibration | Avoids sample pre-treatment; single-point detection is limiting factor | Avoids sample pre-treatment but has low sensitivity in low concentrations | Non-destructive rapid visual scan but lacks internal analysis | Rich multidimensional information; specific measuring requirements; |