Table 3. Types and relative contents of volatile compounds in melon fruits produced by self-grafted plants (SG) and plants grafted onto ‘Qinmi No. 1’ (QG) and ‘Ribenxuesong’ (RG) rootstocks.
| Caegories | SG | QG | RG | |||
|---|---|---|---|---|---|---|
| Number of compounds | Relative contents (µg⋅L−1) | Number of compounds | Relative contents (µg⋅L−1) | Number of compounds | Relative contents (µg⋅L−1) | |
| Esters | 44 | 1,636.8 | 47 | 1,350.83 | 47 | 1,222.91 |
| Alcohols | 37 | 2,893.23 | 34 | 3,233.50 | 40 | 3,394.78 |
| Hydrocarbones | 43 | 619.98 | 41 | 1,014.56 | 40 | 994.09 |
| Aldehydes | 19 | 261.69 | 17 | 323.64 | 18 | 233.54 |
| Ketones | 20 | 189.58 | 18 | 185.7 | 21 | 212.94 |
| Nitrogen compounds | 8 | 53.43 | 12 | 47.05 | 10 | 85.87 |
| Phenolics | 8 | 28.84 | 8 | 21.32 | 9 | 47.95 |
| Acids | 4 | 24.59 | 5 | 7.32 | 7 | 32.39 |
| Sulfur compounds | 3 | 8.23 | 3 | 7.86 | 1 | 4.62 |
| Others | 25 | 476.69 | 26 | 851.86 | 23 | 449.26 |
| Total | 211 | 6,193.05 | 211 | 7,043.62 | 216 | 6,678.35 |