Table 2.
The odor descriptions and rOAVs of VOCs identified by HS–SPME–GC–MS.
| VOCs | Odor descriptions | Thresholda (mg/kg) | rOAV |
||
|---|---|---|---|---|---|
| Seed | Pulp | Peel | |||
| Linalool | Floral, citrus-like, fruity | 0.00022 | 100.00 | 100.00 | 100.00 |
| Isocaryophyllene | Citrus-like | 0.02 | 18.56 | 25.94 | 0.00 |
| β-Myrcene | Woody, resinous, musty | 0.0012 | 13.01 | 0.00 | 0.00 |
| Benzeneacetaldehyde | Honey, sweet | 0.0063 | 11.15 | 2.81 | 4.16 |
| β-methylnaphthalene | Sweet, floral | 0.003 | 6.86 | 12.22 | 5.08 |
| Geraniol | Rose-like, citrus-like | 0.0066 | 5.05 | 2.87 | 0.00 |
| Decanal | Fresh, plastic-like | 0.003 | 4.26 | 0.00 | 0.00 |
| 4-methylacetophenone | Almond-like | 0.021 | 3.78 | 1.63 | 7.33 |
| Naphthalene | Pungent, tarry | 0.006 | 2.84 | 0.00 | 0.00 |
| Benzaldehyde | Honey, floral, almond-like | 0.75089 | 0.39 | 0.04 | 0.07 |
| 6-Methylhept-5-en-2-one | Citrus-like | 0.068 | 0.39 | 0.29 | 0.61 |
| α-Phellandrene | Citrus-like, terpenic, herbal, pine-like | 0.04 | 0.35 | 0.61 | 1.65 |
| Geranyl acetate | Floral, rose-like, fruity | 0.15 | 0.27 | 0.50 | 0.41 |
| Nerolidol | Floral | 2.25 | 0.07 | 0.12 | 0.08 |
| γ-Terpinene | Terpenic, oily, woody, lemon-like | 1 | 0.06 | 0.08 | 0.12 |
| α-Sinensal | Citrus-like | 0.22 | 0.00 | 0.21 | 0.70 |
| p-Cresol | Muddy | 0.0039 | 0.00 | 0.00 | 13.45 |
a
The thresholds were from the literature, measured in water (Gemert, 2011, Zhai and Granvogl, 2019).