Table 3 Odor activity values (OAVs) and aroma descriptor found in the literature for each volatile compounds determined in Gök Üzüm raisins produced from grapes subjected to different dipping solutions: wood ash and potassium carbonate
Wood ash | Potassium carbonate | Aroma descriptor | |
|---|---|---|---|
C6 compounds | |||
Hexanal | 76.79 | 56.57 | Green |
(Z)-3-Hexenal | 1,390.29 | 1,005.49 | Grass |
(E)-2-Hexenal | 4.36 | 4.63 | Grass, herbaceous |
Hexanol | 0.60 | 0.43 | Flower, green, cut grass, grass, herbaceous, wood |
(E)-3-Hexenol | 0.26 | 0.15 | Green, bitter, fatty, herbaceous, fresh |
(Z)-3-Hexenol | 2.26 | 1.39 | Grass, herbaceous, green, fatty, bitter |
(E)-2-Hexenol | 0.40 | 0.49 | Herbaceous, green |
Alcohols | |||
2-Heptanol | 1.55 | 1.00 | Fruity, herbaceous |
1-Octen-3-ol | 279.2 | 149.8 | Mushroom |
1-Heptanol | 0.45 | 0.28 | Oily |
2-Ethyl hexanol | 0.12 | 0.08 | Floral |
1-Octanol | 0.13 | 0.09 | Jasmine, lemon |
1-Nonanol | 0.73 | 0.49 | Rose-orange |
Benzenoids | |||
Benzyl alcohol | 0.00 | 0.00 | Roasted, toasted, sweet, fruity |
2-Phenylethanol | 0.20 | 0.05 | Floral, rose, honey |
Benzaldehyde | 0.42 | 0.36 | Sweet, fruity, roasted, almond, fragrant, burnt sugar |
Phenylacetaldehyde | 28.92 | 20.57 | Flowery, rose |
Esters | |||
Ethyl acetate | 0.01 | 0.01 | Pineapple, fruity, solvent, anise, balsamic |
Ethyl propionate | 9.53 | 20.78 | Banana, apple |
Ethyl isobutyrate | 937.78 | 778.91 | Fruity |
Propyl acetate | 0.02 | 0.01 | Celery |
Ethyl butyrate | 179.66 | 117.25 | Fruity |
Ethyl 3-methylbutanoate | 697.91 | 315.41 | Fruity |
Butyl acetate | 0.51 | 1.11 | Fruity |
Ethyl pentanoate | 85.92 | 56.8 | Grass |
Ethyl hexanoate | 26.81 | 22.91 | Fruity, green apple, banana, wine-like, brandy |
Hexyl acetate | 0.18 | 0.12 | Apple, floral, fruity, banana, pear, brandy |
(Z)-3-Hexenyl acetate | 0.26 | 0.17 | *Fruity, green leaves |
Ethyl heptanoate | 206.00 | 98.22 | Wine-like, brandy, fruity |
Ethyl octanoate | 5.17 | 3.28 | Sweet, floral, fruity, banana, pear, brandy |
Ethyl 3-hydroxybutyrate | 0.01 | 0.01 | Grape, fruity, caramel, toasted |
Volatile fatty acids | |||
Hexanoic acid | 1.39 | 1.54 | Rancid, cheese, fatty, sweat |
2-Hexenoic acid | 0.27 | 0.30 | Fatty, rancid |
Octanoic acid | 0.20 | 0.13 | *Rancid, cheese, fatty, sweat |
Aldehydes | |||
2-Methylbutanal | 77.27 | 42.71 | *Green, malty |
3-Methylbutanal | 687.52 | 354.50 | *Fresh grass, cocoa |
Pentanal | 7.52 | 3.22 | Fat, green |
Octanal | 252.20 | 133.42 | Honey, green, fatty, fruity, citrus, lemon, fat, soap |
Nonanal | 267.34 | 124.85 | Fat, citrus, green, fruity |
(E)-2-Octenal | 22.33 | 13.10 | *Green, nut, fat |
Terpenes | |||
α-Pinene | 6.99 | 3.08 | Pine, resinous |
β-Pinene | 0.19 | 0.15 | Woody, resinous |
Phellandrene | 3.57 | 2.19 | Terpene, fruity, minty, herbal |
β-Myrcene | 1.08 | 0.84 | Green burning, green |
D-Limonene | 4.58 | 2.47 | Fruity, lemon |
γ-Terpinene | 0.15 | 0.11 | Fruity, lemon-like |
o-Cymene | 2.49 | 2.10 | Citrus, green |
Terpinolene | 0.04 | 0.03 | Piney |
(Z)-Rose oxide | 186.86 | 126.64 | Floral, lychee-like, rose |
(E)-Rose oxide | 72.52 | 59.22 | Rose |
Nerol oxide | 0.00 | 0.00 | Oil, flower |
Linalool | 1.67 | 1.12 | Citrus, floral, sweet, grape-like |
4-Terpineol | 0.03 | 0.03 | Flowers, nutmeg, moldy |
Hotrienol | 0.36 | 0.30 | Fresh, floral, fruity |
Neral | 0.00 | 0.00 | Fruity |
α-Terpineol | 0.02 | 0.02 | Lilac, floral, sweet |
Geranial | 0.22 | 0.15 | Citrus, citric fruit |
Citronellol | 2.05 | 1.29 | Rose |
Myrtenol | 35.63 | 28.00 | Flowery, mint |
Nerol | 0.14 | 0.07 | Flower, grass, floral, green |
Geraniol | 1.82 | 1.13 | Citric, floral, orange flower, roses, geranium |
E-Nerolidol | 1.53 | 0.98 | Rose, apple, green, citrus, waxy, woody |
Cedrol | 194.50 | 104.99 | *Cool, camphor |
Geranic acid | 1.42 | 1.27 | Green |
C13 norisoprenoids | |||
Geranyl acetone | 6.15 | 4.76 | Fresh, floral |
β-Damascenone | 49,885.62 | 28,938.67 | *Sweet, fruity, floral, honey, black apple |
β-Ionone | 17,781.61 | 12,078.41 | Balsamic, rose, violet |