Research Article
Methods for the Evaluation of Polyphenolic Content in “Uva Di Troia Canosina” Grape and Seeds at the Different Maceration Stages
Table 2
Seed extraction yield.
| Sample | Solvent (v/v) | Initial weight (g) | Final weight | % REC |
| “Tesi” 1 | EtOH 70% | 25.0093 | 2.941 | 18.15 | Acetone 70% | 25.0032 | 3.508 | 21.65 | “Tesi” 2 | EtOH 70% | 25.0009 | 2.667 | 16.67 | Acetone 70% | 25.0051 | 2.969 | 18.55 | “Tesi” 3 | EtOH 70% | 50.0210 | 3.838 | 13.27 | Acetone 70% | 50.0072 | 4.297 | 14.87 | “Tesi” 4 | EtOH 70% | 50.0160 | 2.994 | 10.69 | Acetone 70% | 50.0210 | 3.530 | 12.60 |
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