TABLE 3.
Amino acids detected from Aloe species.
| № | Original/source common name | IUPAC name | Molecular formula | Molecular weight (g/mol) | Aloe species | References |
|---|---|---|---|---|---|---|
| 38 | Glycine | 2-aminoethanoic acid | C2H5NO2 | 75.07 | A. vera, A. saponaria, A. arborescens | Kim et al. (2013); Mahor and Ali, (2016) |
| 39 | Alanine | 2-aminopropanoic acid | C3H7NO2 | 89.09 | A. vera, A. saponaria, A. arborescens | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 40 | Valine | 2-amino-3-methylbutanoic acids | C5H11NO2 | 117.15 | A. vera, A. saponaria, and A. arborescens | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 41 | Leucine | 2-amino-4-methylpentanoic acid | C6H13NO2 | 131.17 | A. vera and A. saponaria | Kim et al. (2013); Bajpai, (2018) |
| 42 | Isoleucine | 2-amino-3-methylpentanoic acid | C6H13NO2 | 131.17 | A. vera, A. saponaria, and | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 43 | Phenylalanine | 2-amino-3-phenylpropanoic acid | C9H12NO2 | 165.19 | A. vera, and A. saponaria | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 44 | Serine | 2-amino-3-hydroxypropanoic acid | C3H7NO3 | 105.09 | A. vera, A. saponaria, and A. arborescens | Kim et al. (2013); Mahor and Ali, (2016) |
| 45 | Threonine | 2-amino-3-hydroxybutanoic acid | C4H9NO3 | 119.12 | A. vera and A. saponaria | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 46 | Tyrosine | 2-amino-3-(4-hydroxyphenyl)propanoic acid | C9H11NO3 | 181.19 | A. vera and A. saponaria | Kim et al. (2013); Martínez-Sánchez et al. (2020) |
| 47 | Cysteine | 2-amino-3-mercaptopropanoic acid | C3H7NO2S | 121.16 | A.vera | Mahor and Ali (2016) |
| 48 | Methionine | 2-amino-4-(methylthio)butanoic acid | C5H11NO2S | 149.21 | A. vera | Bajpai, (2018); Mahor and Ali, (2016) |
| 49 | Asparagine | 2-amino-3-carbamoylpropanoic acid | C4H8N2O3 | 132.12 | A.vera | Mahor and Ali (2016) |
| 50 | Glutamine | 2-amino-4-carbamoylbutanoic acid | C5H10N2O3 | 146.14 | A. vera | Mahor and Ali (2016) |
| 51 | Tryptophan | 2-amino-3-(1H-indol-3-yl)propanoic acid | C11H12N2O2 | 204.22 | A. vera | Martínez-Sánchez et al. (2020); Sotelo et al. (2007) |
| 52 | Aspartic acid | 2-aminosuccinic acid | C4H7NO4 | 133.10 | A. vera, A. saponaria, A. arborescens and A. barbadensis | Kim et al. (2013); Ahluwalia et al. (2022) |
| 53 | Glutamic acid | 2-aminopentanedioic acid | C5H9NO4 | 147.13 | A. vera, A. saponaria, A. arborescens | Kim et al. (2013); Mahor and Ali, (2016) |
| 54 | Lysine | 2,6-diaminohexanoic acid | C6H14N2O2 | 146.19 | A. vera, A. saponaria and A. arborescens | Kim et al. (2013); Mahor and Ali, (2016) |
| 55 | Arginine | 2-amino-5-guanidinopentanoic acid | C6H14N4O2 | 174.20 | A. vera and A. saponaria | Kim et al. (2013); Mahor and Ali, (2016) |
| 56 | Histidine | 2-amino-3-(1H-imidazole-4-yl) propanoic acid | C6H9N3O2 | 155.15 | A. vera and A. saponaria | Kim et al. (2013); Mahor and Ali, (2016) |
| 57 | Proline | pyrrolidine-2-carboxylic acid | C5H9NO2 | 115.13 | A. vera. A. saponaria and A. arborescens | Kim et al. (2013) |
| 58 | Hydroxyproline | 3-hydroxypyrrolidine-2-carboxylic acid | C5H9NO3 | 131.13 | A. vera | Bajpai (2018) |
| 59 | Pyroglutamic acid | 5-oxopyrrolidine-2-carboxylic acid | C5H7NO3 | 129.11 | A. barbadensis | Ahluwalia et al., 2022 |
| 60 | α-amino butyric acid | 2-aminobutanoic acid | C4H9NO2 | 103.12 | A. vera and A. arborescens | Kim et al. (2013) |
| 61 | β-alanine | 3-aminopropanoic acid | C3H8N2O4 | 136.11 | A. vera, A. saponaria and A. arborescens | Kim et al. (2013) |
| 62 | β-amino isobutyric acid | 3-amino-2-methylpropanoic acid | C4H9NO2 | 103.12 | A. vera and A. saponaria | Kim et al. (2013) |
| 63 | γ-aminobutyric acid (GABA) | 4-aminobutanoic acid | C4H9NO2 | 103.12 | A. vera, A. saponaria, A. arborescens, and A. barbadensis | Kim et al. (2013); Ahluwalia et al. (2022); Martínez-Sánchez et al. (2020) |