Research Article
Kinetic Models for Glucosamine Production by Acid Hydrolysis of Chitin in Five Mushrooms
Table 2
Fitting of experimental results to different reaction models.
| Mushroom | Temperature (°C) | Reaction kinetic equation | Coefficient of determination (R2) |
| Enoki mushroom | 90 | Zero-order | | 0.9569 | First-order | | 0.9591 | Second-order | | 0.6460 | 100 | Zero-order | | 0.9475 | First-order | | 0.9358 | Second-order | | 0.5367 | 110 | Zero-order | | 0.9623 | First-order | | 0.9273 | Second-order | | 0.5263 |
| Oyster mushroom | 90 | Zero-order | | 0.9592 | First-order | | 0.9886 | Second-order | | 0.8856 | 100 | Zero-order | | 0.9380 | First-order | | 0.7945 | Second-order | | 0.2831 | 110 | Zero-order | | 0.8642 | First-order | | 0.6013 | Second-order | | 0.2163 |
| Straw mushroom | 90 | Zero-order | | 0.9586 | First-order | | 0.8902 | Second-order | | 0.7658 | 100 | Zero-order | | 0.9833 | First-order | | 0.8779 | Second-order | | 0.6756 | 110 | Zero-order | | 0.9803 | First-order | | 0.8194 | Second-order | | 0.5223 |
| Shiitake | 90 | Zero-order | | 0.9979 | First-order | | 0.9707 | Second-order | | 0.8737 | 100 | Zero-order | | 0.9913 | First-order | | 0.933 | Second-order | | 0.7393 | 110 | Zero-order | | 0.9914 | First-order | | 0.9355 | Second-order | | 0.7471 |
| Wood ear mushroom | 90 | Zero-order | | 0.9281 | First-order | | 0.8191 | Second-order | | 0.6934 | 100 | Zero-order | | 0.9469 | First-order | | 0.8087 | Second-order | | 0.4911 | 110 | Zero-order | | 0.9148 | First-order | | 0.8416 | Second-order | | 0.6206 |
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[A]0 is the initial chitin content of each mushroom and [A] is the chitin content at reaction time t.
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