## 3 Results
### Chemical Analysis  
In our study, the EO yield was 1.67 \(\pm\) 0.05% in the fruits and 1.11 \(\pm\) 0.05% in the leaves. Fatty oil yield was 6.02 \(\pm\) 0.07%. The laurel EOL was a light yellow, while EOF was slightly darker, both with a specific odour. TP content was 9.75 \(\pm\) 0.01 mg GA/g in the analysed leaves sample, while the content of TF and TT were 0.43 \(\pm\) 0.20% and 1.51 \(\pm\) 0.05%, respectively. The investigated fruit contained 7.78 \(\pm\) 0.15 mg GAE/g TP, TT was 0.03 \(\pm\) 0.010%, while TF and total procyanidins were present with percentages of 0.02 \(\pm\) 0.00% and 0.04 \(\pm\) 0.00%, respectively. The data regarding the chemical composition of EOL and EOF from laurel leaves and fruits, respectively, with the fatty oil obtained from fruits, the Kovats retention indices (KIs), and the relative percentages of the identified compounds are given in Table 1 and Figure 1. \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**No.** & **Compound** & **KI\({}^{\textbf{a}}\)** & \begin{tabular}{c} _L. **nobilis leaf** \\ **EOL (\%)** \\ \end{tabular} & \
\begin{tabular}{c} _L. **nobilis fruit**_ \\ **EOF (\%)** \\ \end{tabular} &
\begin{tabular}{c} _L. **nobilis fruit**_ \\ **fatty oil (\%)** \\ \end{tabular} \\ \hline
1. & pentanol & 762 & & 0.1 & \\
2. & hexanal & 801 & & 0.9 & 0.3 \\
3. & isopropyl-2-methyl butanoate & 880 & & & 2.9 \\
4. & n-nonane & 900 & & & 0.5 \\
5. & heptanal & 901 & & 0.1 & \\
6. & tricyclene & 921 & & 0.1 & \\
7. & \(\alpha\)-thujene & 924 & 0.2 & 0.3 & \\
8. & \(\alpha\)-pinene & 932 & 2.7 & 5.8 & 0.6 \\
9. & camphene & 946 & 0.3 & 2.7 & 0.2 \\
10. & hexanoic acid & 967 & & 0.2 & \\
11. & sabinene & 969 & 6.5 & 5.3 & 0.3 \\
12. & \(\beta\)-pinene & 974 & 1.9 & 4.0 & 0.4 \\
13. & 1,8-dehydrocineole & 988 & 0.1 & 0.1 & \\
14. & myrene & 988 & 0.7 & 0.2 & \\
15. & n-octanal & 998 & & 0.2 & 0.1 \\
16. & \(\alpha\)-phellandrene & 1002 & - & 0.9 & \\
17. & \(\delta\)-3-carene & 1008 & - & 0.2 & \\
18. & \(\alpha\)-terpinene & 1014 & 0.2 & 0.3 & \\
19. & p-cymene & 1020 & & 0.5 & \\
20. & limoneone & 1024 & & 1.6 & 0.1 \\
21. & 1,8-cineole & 1026 & 35.1 & 33.3 & \\
22. & (E)-\(\beta\)-ocimene & 1044 & & 0.1 & \\
23. & (2E)-octen-1-al & 1049 & & 0.1 & \\
24. & \(\gamma\)-terpinene & 1054 & 0.5 & 0.5 & 0.1 \\
25. & cis-sabinene hydrate & 1065 & 0.4 & 0.1 & \\
26. & cis-linal oxide (furanoid) & 1067 & & 0.1 & \\
27. & terpione & 1086 & 0.2 & 0.2 & \\
28. & 2-nonanone & 1087 & & 0.1 & \\
29. & p-cymene & 1095 & & 0.1 & \\
30. & linalool & 1095 & 7.6 & 1.4 & \\
31. & trans-sabinene hydrate & 1098 & 4.2 & & \\
32. & n-nonanal & 1100 & & 0.3 & \\
33. & isopentyl 2-methyl butanoate & 1100 & & 0.1 & \\
34. & cis-p-menth-2-en-1-ol & 1118 & & 0.1 & \\
35. & trans-p-menth-2-en-1-ol & 1136 & & 0.1 & \\
36. & camphor & 1141 & & 0.1 & \\
37. & (2E)-nonen-1-al & 1157 & & 0.1 & \\
38. & \(\delta\)-terpineol & 1162 & 0.3 & 0.1 & \\
39. & borneol & 1165 & 0.6 & 2.1 & \\
40. & terpinene-4-ol & 1174 & 1.8 & 2.1 & 0.1 \\
41. & \(\alpha\)-terpineol & 1186 & 2.3 & 3.9 & 0.2 \\
42. & n-decanal & 1201 & & 0.1 & \\
43. & octanol acetate & 1211 & & 0.1 & \\
44. & linalool formate & 1214 & & 0.1 & \\
45. & neral & 1235 & & 0.1 & \\
46. & linalool acetate & 1254 & 0.7 & 0.1 & \\
47. & (2E)-decanal & 1260 & & 0.2 & 0.1 \\
48. & gerani & 1264 & & 0.1 & \\
49. & nonanoic acid & 1267 & & 0.1 & \\
50. & verbenyl acetate & 1280 & & 0.1 & \\
51. & bornyl acetate & 1287 & 0.3 & 1.2 & 0.1 \\
52. & trans-sabinyl acetate & 1289 & 0.2 & & \\
53. & (2E,4Z)-decadien & 1292 & & 0.2 & t \\
54. & 2-undecanene & 1293 & 0.6 & & \\
55. & (2E, 4E)-decadien & 1315 & & 0.5 & t \\
56. & \(\delta\)-terphenyl acetate & 1316 & 0.5 & 0.3 & \\
57. & trans-p-menth-6-en-2,8-diol & 1324 & 1.3 & & \\
58. & trans-carryl acetate & 1339 & & 0.1 & 0.2 \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Comparative chemical profile of the analysed _L. nobilis_ essential oil from leaves and fruit (EOL and EOF, respectively) and fatty oil obtained from fruit waste after essential oil extraction.