Table 8 Main aroma components of red raspberry wine fermented with Immobilized yeast or free yeast.
From: Study on the technology of brewing red raspberry wine by using new immobilized yeast technology
Name | Immobilized yeast content/% | Free yeast content/% | |
|---|---|---|---|
Alcohols | |||
1 | Propanol | 0.3891 | 0.3950 |
2 | Isobutanol | 2.8885 | 2.7780 |
3 | Isoamyl alcohol | 6.8312 | 6.0499 |
4 | a-Ionol | 0.3762 | 0.4533 |
5 | Phenylethanol | 0.8822 | 0.9710 |
Esters | |||
6 | Ethyl acetate | 2.7084 | 2.8018 |
7 | Isobutyl acetate | 0.1491 | 0.1330 |
8 | Isoamyl acetate | 2.5946 | 2.0802 |
9 | Ethyl n-hexanoate | 0.6160 | 0.5062 |
10 | Ethyl octanoate | 2.0175 | 1.3425 |
11 | Ethyl sorbate | 0.0702 | 0.0655 |
12 | Ethyl caprate | 0.6929 | 0.3870 |
13 | Ethyl dodecanoate | 0.1303 | 0.0499 |
14 | Ethyl palmitate | 0.2113 | 0.0864 |
15 | Ethyl hex-4-enoate (other isomers) | 0.0725 | – |
16 | Octyl 4-ethylbenzoate | 0.0435 | – |
17 | Ethyl benzoate | 0.0913 | – |
18 | Cyclopropanecarboxylic acid, 2-phenylethyl ester | 0.5557 | – |
19 | E-11 hexadecenoic acid, Ethyl ester | 0.0633 | – |
20 | Ethyl glycolate | – | 0.2444 |
21 | Ethyl hexenoate | – | 0.0649 |
22 | Monoethyl malonate | – | 0.4270 |
23 | Phenethyl acetate | – | 0.4501 |
24 | Methyl caproate | – | 0.0402 |
Acids | |||
25 | Phthalic acid, Isobutyl ester nonyl | 0.0405 | – |
26 | 5-Methylanthranilic acid | – | 0.0370 |
27 | Octanoic acid | – | 0.0480 |
Olefins, Alkanes | |||
28 | Diethoxydimethylsilane | 0.0355 | 0.0467 |
29 | Ethyl 9-decene | 0.4748 | 0.3330 |
30 | Dodecane | 0.3573 | – |
Aldehydes, Ketones | |||
31 | Acetaldehyde | 0.1037 | 0.0471 |
32 | α-ionone | 0.0632 | 0.0614 |
33 | β-ionone | 0.0893 | 0.0832 |
Benzene, Phenols | |||
34 | 2,4-Di-tert-butylphenol | 0.0404 | 0.0532 |
Others | |||
35 | Diacetyl | 0.0907 | – |
36 | 4-O-Methyl-α-D-Mannoside | 0.2513 | – |
37 | 1-Acetylguanidine | – | 0.0879 |
38 | Bis(2,4-dimethylamino)pyrimidine | – | 0.4954 |