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Table 1.
Must: Total acidity, tartaric, malic and gluconic acid from the must. Treatments: 1 – control treatment, with pre-fermentative maceration of2 days; 2 – sulfitic maceration of 2 days; 3 – traditional fermentative maceration for 5 days.
| Treatments | Total | Tartaric | Malic | Gluconic |
|---|---|---|---|---|
| acidity | acid | acid | acid | |
| 1 | 9.40 a* | 9.23 a | 9.46 a | 1.36 b |
| 2 | 5.10 b | 2.26 b | 5.70 b | 5.13 a |
| 3 | 8.40 a | 7.40 a | 8.00 a | 0.20 c |
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