Total nitrogen, water-soluble nitrogen and free amino acids profile during ripening of soft cheese enriched with Nigella sativa seed oil
, oraz | 24 kwi 2019
O artykule
Article Category: Research Article
Data publikacji: 24 kwi 2019
Zakres stron: 90 - 96
DOI: https://doi.org/10.2478/ebtj-2019-0010
Słowa kluczowe
© 2019 Mara Georgescu, Ștefania Mariana Raita, Dana Tăpăloagă, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
Figure 1
Total Nitrogen (TN) and Water Soluble Nitrogen (WSN) in experimental cheeses during 42 days of ripening
| Experimental cheese batch (treatments) | Ripening time (days) | Total nitrogen (TN, %)± St.dev | Water soluble nitrogen (WSN, %)± St. dev |
|---|---|---|---|
| Control (no NSSO) | 0 | 2.08±0.02 | 2.94±0.035 |
| 14 | 2.14±0.03 | 6.16±0.065 | |
| 28 | 2.14±0.015 | 11.14±0.015 | |
| 42 | 2.15±0.03 | 16.14±0.09 | |
| Batch 1 (0.2% w/w NSSO) | 0 | 2.15±0.015 | 2.84±0.0575 |
| 14 | 2.19±0.015 | 7.18±0.015 | |
| 28 | 2.19±0.036 | 12.23±0.03 | |
| 42 | 2.20±0.04 | 18.47±0.02 | |
| Batch 2 (1% w/w NSSO) | 0 | 2.24±0.02 | 3.27±0.02 |
| 14 | 2.25±0.017 | 8.79±0.075 | |
| 28 | 2.27±0.01 | 14.42±0.107 | |
| 42 | 2.29±0.01 | 21.73±0.06 |
FAA content (mg/100g) in experimental cheeses during 42 days of ripening
| No. | Amino acid | Control | Batch 1 (0.2%) | Batch 2 (1%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 14d | 28d | 42d | 14d | 28d | 42d | 14d | 28d | 42d | |||
| 1. | Alanine | ALA | 0,8116 | 0,9817 | 1,1216 | 0,8169 | 0,7955 | 1,0806 | 1,1341 | 1,2321 | 1,3292 |
| 2. | Glycine | GLY | 0,4034 | 0,4907 | 0,6533 | 0,4406 | 0,4535 | 0,667 | 0,7012 | 0,6434 | 0,6123 |
| 3. | Valine | VAL | 1,1152 | 1,5311 | 1,5674 | 1,1527 | 1,1 | 1,3765 | 1,599 | 1,8087 | 1,5733 |
| 4. | Leucine | LEU | 2,3809 | 2,3612 | 2,8767 | 2,3691 | 2,1854 | 2,7351 | 3,0473 | 3,5025 | 3,5694 |
| 5. | Isoleucine | ILE | 0,9353 | 1,0625 | 1,2199 | 0,913 | 0,8579 | 1,073 | 1,1438 | 1,5951 | 1,4429 |
| 6. | Threonine | THR | 1,4032 | 1,3865 | 2,2382 | 1,1888 | 1,2864 | 1,6259 | 1,2019 | 1,8737 | 1,6152 |
| 7. | Serine | SER | 1,1938 | 1,426 | 1,6509 | 0,7041 | 1,0298 | 0,8133 | 1,2537 | 1,3987 | 1,4008 |
| 8. | Proline | PRO | 2,5432 | 2,869 | 3,706 | 2,6537 | 2,77 | 3,7163 | 3,7256 | 4,3507 | 3,5816 |
| 9. | Aspartic acid | ASP | 1,7103 | 2,2 | 2,5568 | 1,6743 | 1,8607 | 2,4809 | 3,1145 | 3,2463 | 2,8177 |
| 10. | Methionine | MET | 0,7937 | 0,849 | 0,9967 | 0,7997 | 0,74 | 1,0683 | 0,9832 | 1,0952 | 1,119 |
| 11. | 4-Hydroxyproline | HYP | 0,3858 | 0,3012 | 0,4109 | 0,1796 | 0,7848 | 0,2285 | 0,4426 | 0,2087 | 0,5258 |
| 12. | Glutamic acid | GLU | 6,765 | 8,4408 | 6,3516 | 5,8572 | 6,7915 | 5,2716 | 6,4516 | 9,4516 | 11,29 |
| 13. | Phenylalanine | PHE | 1,2042 | 1,2537 | 1,3727 | 1,1893 | 1,1711 | 1,4536 | 1,5131 | 1,8137 | 1,7064 |
| 14. | Lysine | LYS | 2,9618 | 2,4442 | 4,3082 | 3,2307 | 2,4179 | 2,5524 | 5,5639 | 3,7424 | 5,2131 |
| 15. | Histidine | HIS | 0,5353 | 0,7183 | 1,173 | 0,9557 | 0,9263 | 0,8316 | 0,5896 | 2,2125 | 1,2474 |
| 16. | Hydroxylysine | HYL | 0,3378 | 0,4 | 0,8404 | 0,3443 | 1,1 | 0 | 0,9497 | 1,56 | 0,2219 |
| 17. | Tyrosine | TYR | 1,3444 | 1,3281 | 0,7301 | 1,4549 | 1,3752 | 0,7718 | 1,5292 | 2,3373 | 2,2213 |
| 18. | Tryptophan | TRP | 0 | 0,5738 | 0 | 0,7393 | 1,4847 | 0,8353 | 0 | 1,4684 | 1,3315 |
| 19. | Cystine | C-C | 0,3222 | 0,3295 | 0,6058 | 0,563 | 0,4482 | 0,9959 | 0,6324 | 0,4301 | 0,321 |