Table 1.
Volatile organic compound (VOC) identification and quantification in Protium heptaphyllum resin (PHR), acidic triterpene concentrated extract (ATCE) and α and β-amyrin concentrated extract (AMCE) samples.
| Compound Name | LRIC 2 | LRIL 2 | Concentration 1 | |||||
|---|---|---|---|---|---|---|---|---|
| PHR | ATCE | AMCE | ||||||
| α-thujene | 926 | 924 | 0.49 | ±0.08 | 0.19 | ±0.01 | 0.97 | ±0.09 |
| α-pinene | 932 | 932 | 12.64 | ±1.91 | 4.33 | ±0.07 | 9.13 | ±0.71 |
| sabinene | 972 | 969 | 0.74 | ±0.15 | 0.17 | ±0.02 | 1.60 | ±0.22 |
| β-pinene | 976 | 974 | 1.33 | ±0.14 | 0.80 | ±0.01 | 1.03 | ±0.10 |
| α-phellandrene | 1005 | 1002 | 4.21 | ±0.13 | 3.39 | ±0.05 | 9.78 | ±0.71 |
| δ-3-carene | 1008 | 1008 | 7.04 | ±0.005 | 7.34 | ±0.08 | 12.14 | ±1.05 |
| p-cymene | 1023 | 1020 | 11.11 | ±1.33 | 9.36 | ±0.02 | 3.49 | ±0.31 |
| β-phellandrene | 1028 | 1025 | 6.73 | ±1.11 | 4.72 | ±0.03 | 8.87 | ±0.79 |
| 1,8-cineole | 1030 | 1026 | 0.75 | ±0.03 | 1.09 | ±0.04 | 0.12 | ±0.01 |
| α-terpinolene | 1088 | 1086 | 0.50 | ±0.02 | 0.82 | ±0.03 | 0.67 | ±0.01 |
| trans- Verbenol | 1144 | 1140 | 1.29 | ±0.05 | 1.78 | ±0.06 | 0.00 | ±0.00 |
| terpinen-4-ol | 1177 | 1174 | 0.57 | ±0.10 | 0.84 | ±0.01 | 0.23 | ±0.03 |
| p-cymen-8-ol | 1184 | 1179 | 1.19 | ±0.02 | 1.41 | ±0.01 | 0.00 | ±0.00 |
| β-e-caryophyllene | 1422 | 1417 | 2.15 | ±0.09 | 4.58 | ±0.07 | 0.69 | ±0.20 |
| sum | 50.75 | ±2.60 | 40.28 | ±0.44 | 48.74 | ±4.21 | ||
1 Values are expressed as g kg−1 of dry weight and are the mean of at least three replicates ± standard deviation. 2 Calculated Linear Retention Index (LRIC) with a C7–C30 n-alkanes mixture and the LRI reported in literature (LRIL) [16].