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