Table 4.
The volatile composition of the petroleum ether extract of Aloe perryi flowers.
| RRI | Constituents | Conc.% | IM |
|---|---|---|---|
| 1348 | 6-Methyl-5-hepten-2-one | 22.4 | MS |
| 1399 | Methyl octanoate | 1.2 | MS |
| 1400 | Tetradecane | 1.7 | RRI, MS |
| 1440 | 1,4-Bis (1,1-dimethylethyl)-benzene* | 4.5 | MS |
| 1443 | Ethyl octanoate | 1.7 | MS |
| 1452 | 1-Octen-3-ol | 3.5 | MS |
| 1475 | Acetic acid | 1.2 | RRI, MS |
| 1479 | Furfural | 1.3 | RRI, MS |
| 1496 | 2-Ethyl hexanol | 0.5 | MS |
| 1500 | Methyl nonanoate | 0.8 | MS |
| 1516 | 2-Acetyl furan | 0.4 | MS |
| 1521 | 2-Nonanol | 0.5 | MS |
| 1541 | Neomenthyl acetate | 0.7 | MS |
| 1541 | Benzaldehyde | 1.3 | RRI, MS |
| 1544 | Ethyl nonanoate | 0.8 | MS |
| 1589 | Ethyl malonate | 0.5 | MS |
| 1590 | 5-Methyl-2-furfural | 1.1 | MS |
| 1591 | 2-Methyl propanoic acid | 0.7 | MS |
| 1602 | 6-Methyl-3,5-heptadien-2-one | 1.7 | MS |
| 1625 | 4,4-Dimethyl but-2-enolide | 0.6 | MS |
| 1638 | Menthol | 8.9 | RRI, MS |
| 1647 | Butanedioic acid diethylester* | 0.4 | MS |
| 1684 | Isovaleric acid | 2.9 | RRI, MS |
| 1703 | 6-Oxo-Isophorone | 6.5 | MS |
| 1747 | 3,4-Dimethyl-2,5-furandione | 0.8 | MS |
| 1762 | Pentanoic acid | 0.4 | RRI, MS |
| 1800 | Ethyl phenylacetate | 0.6 | MS |
| 1815 | Methyl dodecanoate | 0.3 | MS |
| 1870 | Hexanoic acid | 0.7 | RRI, MS |
| 1853 | Ethyl dodecanoate | 0.2 | MS |
| 1868 | (E)-Geranyl acetone | 0.2 | MS |
| 1882 | 1-Isobutyl-4-isopropyl-3-isopropyl-2,2-Dimethyl succinate | 1.1 | MS |
| 1965 | 2-Ethyl hexanoic acid | 0.5 | MS |
| Total | 70.6 |
RRI: Relative retention indices calculated against n-alkanes; %: calculated from TIC data; *: Tentative identification from Wiley; IM: Identification method based on the relative retention indices (RRI) of authentic compounds on the HP Innowax column; MS, identified on the basis of computer matching of the mass spectra with those of the Wiley and MassFinder libraries and comparison with literature data.