Table 2

Quantification of the proteins recovered from Incrocio Manzoni wine with different methods by densitometry of SDS-PAGE gels and by Smith assay.

Protein (μ;g/mL)a
Recovery methodDensitometrySmith assay
aData expressed as the mean ± SD of three independent determinations.
Dialysis/lyophilization27.1 ± 2.036.4 ± 5.9
KDS method19.9 ± 1.826.0 ± 4.9
Acetone precipitation31.8 ± 1.8680.1 ± 111.3
Ethanol precipitation31.8 ± 3.1382.8 ± 39.1
(Mean ± SE)(27.65 ± 2.81)
TCA precipitation9.7 ± 1.217.4 ± 2.5