# Phenolic and Volatile Composition of a Dry Spearmint (_Mentha spicata_ L.) Extract
## Results and Discussion
### Characterisation of Volatile Composition
\begin{table}
\begin{tabular}{l l c c c c c} \hline \hline
**ID** & **Identification** & **Flavour Note [(32)]** & **LRI-Wax** & **LRI-BPS\({}^{*}\) & **Identification Method** & **Ref.** & **Concentration** \\  & & & & & & & (up/up/up/up) \\ \hline
1 & Ethylene & Prunus & **1127** & **871** & MS + LRI & [(3)] & \(0.04\pm 0.01\) \\
2 & D-Limonene & Sweet, citrus and peely & **1200** & **1024** & MS + LRI & [(3)] & \(0.04\pm 0.01\) \\
3 & Cosmeme & Dahlia, Laurus mobili & **1219** & **1006** & MS + LRI & NIST & \(0.24\pm 0.08\) \\
4 & Cosme (incomer) & **1252** & **1142** & MS + LRI & NIST & \(0.41\pm 0.03\) \\
5 & o-cyclme & Lavander and copress oil & **1274** & **1022** & MS + LRI & [(3)] & \(0.06\pm 0.01\) \\
6 & Methyl-heptanone & Fruity, apple, musty, ketonic and cramy & **1343** & MS & & \(0.05\pm 0.01\) \\
7 & (3-3-bensn-1-ol & Green, grassy, melon rib-like & **1387** & 853 & MS + LRI & [(3)] & \(0.07\pm 0.01\) \\
8 & Analy celly) & Earthy & **1395** & **996** & MS & \(0.29\pm 0.09\) \\
9 & p-expmeme & Phenolic & **1444** & **1090** & MS + LRI & [(3)] & \(3.39\pm 0.98\) \\
10 & Amy vinyl cardinal & Earthy & **1453** & **979** & MS + LRI & [(3)] & \(0.46\pm 0.11\) \\
11 & Fureal & Beady & **1473** & 828 & MS + LRI & [(3)] & \(0.52\pm 0.12\) \\
12 & a-icome & Plum & **1485** & MS & & \(0.13\pm 0.01\) \\
13 & Dhydrodudain II & (not reported) & **1496** & **1292** & MS + LRI & [(7)] & \(0.69\pm 0.09\) \\
14 & Dhydrodudain II & (not reported) & **1526** & **1297** & MS + LRI & [(7)] & \(2.27\pm 0.66\) \\
15 & g-linal & Fioral & **1551** & **1099** & MS + LRI & [(3)] & \(1.52\pm 0.43\) \\
16 & (93.4)+mentofuran & Minty & **1565** & **1159** & MS + LRI & [(9)] & \(0.16\pm 0.05\) \\
17 & 5-methylfurfurral & Carmenlic & **1522** & **957** & MS + LRI & [(8)] & \(0.18\pm 0.03\) \\
18 & a-icome & Fioral & **1590** & **1428** & MS + LRI & [(3)] & \(0.14\pm 0.02\) \\
19 & (not identified) & **1602** & **1602** & **0.27** & \(0.27\pm 0.08\) \\
20 & Hironl & Sweet tropical & **1615** & **1105** & MS + LRI & [(4)] & \(0.38\pm 0.19\) \\
21 & trans-p-meta-2-8-dienol & Minty & **1632** & **1121** & MS + LRI & [(3)] & \(0.12\pm 0.03\) \\
22 & Safranal & Woody, spicy, phenolic, amorphous & **1633** & **1196** & MS & \(0.53\pm 0.13\) \\
23 & 3-furanethanol & Tobacco & **1667** & **851** & MS + LRI & [(41)] & \(0.18\pm 0.01\) \\
24 & Tetramethyl-halome & (not reported) & **1676** & MS & & \(0.42\pm 0.09\) \\
25 & not identified & & **1686** & & & \(0.33\pm 0.04\) \\
26 & Ethly cyclopentembine & Carmenlic & **1691** & **1087** & MS & \(0.75\pm 0.18\) \\
27 & p-member-ol & Fioral, mulity, eucalyptus & **1701** & MS & & \(0.65\pm 0.19\) \\
28 & 4-fd-therzofuran & (not reported) & **1714** & MS & & \(0.33\pm 0.06\) \\
29 & Membrane & Menthalie & **1735** & **1148** & MS + LRI & [(3)] & \(2.18\pm 0.72\) \\
30 & Camphor & Camphorone & **1748** & **1145** & MS + LRI & [(3)] & \(0.20\pm 0.02\) \\
31 & 2-piperidin methamphetamine & (not reported) & **1759** & MS & & \(0.19\pm 0.08\) \\
32 & 1-1-bueuvelypyrrolidine & (not reported) & **1783** & MS & & \(0.17\pm 0.05\) \\
33 & Methyl silsilvate & (not reported) & **1785** & **1205** & MS + LRI & [(3)] & \(0.21\pm 0.13\) \\
34 & trans-germarid & Fioral & **1804** & **1377** & MS + LRI & NIST & \(0.10\pm 0.03\) \\
35 & Tressanlal & Mongolia & **1816** & **1205** & MS & & \(0.52\pm 0.12\) \\ \hline \hline \end{tabular}
\end{table} 
Table 3: Identification of volatile compounds from the spearmint extract, with relative aromatic notes, calculated LRIs, identification methods, references, and relative amounts.