Table 1 Concentrations of GC-MS identified compounds from LGE and 95% ELGE
From: Antibacterial activities and antioxidant capacity of Aloe vera
Concentration (ppm) | |||
|---|---|---|---|
Compound | LGE (per dry mass LGE) | ELGE (per dry mass LGE | ELGE (per dry mass ELGE) |
Phenolic acids/polyphenols | |||
Phenol | 14.32 | 30.12 | 1.3 × 104 |
Vanillic | 58.60 | 24.34 | 8.5 × 103 |
Homovanillic | 18.55 | 13.26 | 5.0 × 103 |
Protocatechuic | 163.21 | 42.33 | 1.6 × 104 |
3,4-Dihydroxyphenylacetic | 7.54 | ||
5-Methoxyprotocatechuic | 2.5 | ||
Syringic | 25.54 | ||
Sinapic | 32.68 | ||
p-Coumaric | 450.87 | ||
Isoferulic | 52.90 | ||
Ferulic | 88.67 | 4.2 | 1.5 × 103 |
Aloe emodin | 87.79 | ||
4-Phenyllactic | 11.02 | ||
4-Ethylphenol | 10.12 | 32.21 | 1.2 × 104 |
Hydrocinnamic | 36.50 | ||
p-Salicylic | 186 | 59.2 | 1.8 × 104 |
Benzoic | 870.1 | 5,507 | 1.9 × 106 |
Phenylpyruvic | 6.50 | 2.3 × 105 | |
Hydro-p-coumaric | 15.31 | ||
Alcohols | |||
2-Butanol | 13.65 | ||
Glycerol | 340.9 | ||
Phenylethanol | 86.56 | ||
Aldehydes | |||
Benzaldehyde | 56.34 | 72.5 | 2.5 × 104 |
m-Tolualdehyde | 18.21 | ||
Organic acids | |||
Lactic | 148 | 202.1 | 7.1 × 104 |
Glycolic | 93.1 | ||
Pyruvic | 88.1 | 3.1 × 104 | |
Furoic | 57.43 | ||
Phosphoric | 341.2 | 1.2 × 105 | |
Succinic | 383 | 117.6 | 4.1 × 104 |
2-Methylsuccinic | 62.1 | ||
Picolinic | 281 | 9.7 × 104 | |
Malic | 46.7 | ||
Tartaric | 18.3 | 6.3 × 103 | |
Isonicotinic | 40.21 | ||
2-Hydroxybutyric | 2.1 | 829.92 | |
Alkanes | |||
1,3-Dihydroxybutane | 10.22 | 10.56 | 3.7 × 103 |
Pyrimidines | |||
Uracil | 697.23 | ||
Thymine | 429.76 | 189.11 | 6.3 × 104 |
Fatty acids | |||
Lauric (C12:0) | 0.32 | ||
Myristic (C14:0) | 0.74 | ||
Palmitoleic (C16:1) | 1.32 | 0.19 | 65.70 |
Linoleic (C18:2 n-6) | 102 | 0.42 | 143 |
Indoles | |||
Indole-3-acetic acid | 2.80 | ||
Alkaloids | |||
Hypoxanthine | 27.65 | ||
Ketones | |||
Acetophenone | 8.02 | ||
Sterols | |||
Cholestanol | 24.32 | 12.99 | 4.6 × 103 |
β-Sitosterol | 1,604.5 | ||
Dicarboxylic acids | |||
Azelaic | 0.02 | ||
Undecanedioic | 0.04 | ||