Table 4.
Volatile aroma compounds identified in sugarcane and its juice [39]. nd: not detected.
| Volatile Organic Compounds | N° CAS | Odor Description | Sugarcane | Juice |
|---|---|---|---|---|
| Acids | ||||
| Acetic acid | 64-19-7 | Sour | X | X |
| Isobutyric acid | 79-31-2 | Rancid, butter, cheese | X | X |
| Caproic acid | 142-62-1 | Sweat | X | X |
| Myristic acid | 544-63-8 | Sweet spicy | X | X |
| Pentadecanoic acid | 1002-84-2 | Waxy | X | X |
| Palmitic acid | 57-10-3 | Slightly waxy, fatty | X | X |
| Alcohols | ||||
| 2,3-Butanediol | 513-85-9 | Fruit, onion | X | X |
| cis-2-Penten-1-ol | 1576-95-0 | Green, plastic, rubber | nd | X |
| 1-Hexanol | 111-27-3 | Resin, flower, green | X | X |
| cis-3-Hexen-1-ol | 928-96-1 | Grass | X | X |
| 2-Heptanol | 543-49-7 | Mushroom | X | X |
| Phenylethyl alcohol | 60-12-8 | Honey, spice, rose, lilac | X | X |
| 1-Octen-3-ol | 3391-86-4 | Mushroom | X | X |
| 2-Ethyl-1-hexanol | 104-76-7 | Rose, green | X | X |
| Caprylic alcohol | 111-87-5 | Chemical, metal, burnt | nd | X |
| Lauryl alcohol | 112-53-8 | Fat, wax | nd | X |
| Aldehydes | ||||
| Benzaldehyde | 100-52-7 | Almond, burnt, sugar | X | X |
| 2,4-Heptadienal | 4313-03-5 | Nut, fat | X | X |
| trans -2-Octenal | 2548-87-0 | Green, nut, fat | X | X |
| trans -2-Nonenal | 18829-56-6 | Cucumber, fat, green | nd | X |
| Nonanal | 124-19-6 | Fat, citrus, green | X | X |
| Esters | ||||
| Ethyl palmitate | 628-97-7 | Wax | nd | X |
| Dibutyl phthalate | 84-74-2 | Faint odor | X | X |
| Hydrocarbons | ||||
| Styrene | 100-42-5 | Balsamic, gasoline | X | X |
| m-Xylene | 108-38-3 | Plastic | X | X |
| d-Limonene | 5989-27-5 | Citrus, mint | nd | X |
| Phenols | ||||
| 4-Vinylguaiacol | 7786-61-0 | Clove, curry | X | X |
| Eugenol | 97-53-0 | Clove, honey | X | X |
| 2,4-Di-tert-butylphenol | 96-76-4 | Phenolic | X | X |
| 2,6-Di-tert-butyl-methylphenol | 128-37-0 | Mild phenolic camphor | X | X |
| Heterocyclic compound | ||||
| 2-Pentylfuran | 3777-69-3 | Green bean, butter | X | X |