Open Access
Table 2.
Technological properties of remaining yeasts.
| 884 | 1088 | 1120 | 1333 | 1378 | |
|---|---|---|---|---|---|
| Resistance to 12% (v/v) ethanol | + | +++ | ++ | ++ | +++ |
| Resistance to 200 mg/L SO2 | +++ | +++ | +++ | +++ | +++ |
| Growth at low temperature 15 ◦C | ++ | ++ | ++ | ++ | ++ |
| H2S Production | 3:light brown | 4:brown | 4:brown | 3:light brown | 4:brown |
| Killer activity | + | + | + | + | + |
| Growth at Brix 30◦ | +++ | +++ | +++ | +++ | +++ |
| Foam production (20 ◦C) | F2 | F1 | F0 | F1 | F2 |
| Foam production (15 ◦C) | F0 | F0 | F0 | F1 | F1 |
| Fermentation rate (g CO2/L.h) | 0.45± 0.01 | 0.99± 0.02 | 1.7± 0.01 | 0.8± 0.02 | 1.6± 0.1 |
| Volatile acidity (g/L) | 1 | 0.72 | 1.02 | 1 | 0.8 |
| Flocculation (%) | 69 | 98 | 97 | 86 | 82 |
| Alkaline phospotase | 1 | 2 | 2 | 1 | 2 |
| Esterase (C4) | 3 | 1 | 3 | 3 | 3 |
| Esterase Lipase (C8) | 2 | 3 | 4 | 2 | 3 |
| Arylamidase | 5 | 5 | 5 | 5 | 4 |
| Valine arylamidase | 1 | 3 | 4 | 2 | 3 |
| Cysteine arylamidase | 3 | 2 | 3 | 2 | 2 |
| Acid phospotase | 4 | 5 | 2 | 4 | 5 |
| Naphthol-AS-BI-phosphohydrolase | 3 | 3 | 3 | 2 | 3 |
| β−glucosidase | 2 | 2 | 4 | - | 3 |
+: low growth, ++: medium growth, +++: high growth, F0:0-2 mm, F1: 2-4 mm, F2: 4 and higher, 1: very low activity, 2: low activity, 3: medium activity, 4 high activity, 5: very high activity.
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