Quality Evaluation Based on Multivariate Statistical Methods

Table 3

Correlation coefficients of some grape physicochemical indexes.

	Total content of amino acids	Resveratrol	Flavonol	Reducing sugar	Reducing sugar
	Proline	CIS resveratrol	Quercetin	Fructose	Glucose
Correlation coefficient	0.978	0.978	0.968	0.967	0.982