Adjuvants and additives for the colloidal stabilization of red wines without the use of cold

Open Access

Table 10

Montepulciano wine. Total anthocyanins and flavonoids content and color parameters for the control wine and the theses with additives after bottling and after 6 months of bottle aging. ANOVA and Tukey’s test results. Different letters along the column discriminate the theses significantly different from one another (p<0.05; Tukey’s test).

	Theses	Total anthocyanins (mg/L)	Total Flavonoids (mg/L)	Color intensity (u.a.)	Color hue	E520_corr
After bottling	Control	796 ab	3652 ab	22.5	0. 54	16.6 ab
	GommaK	823 b	3752 b	22.6	0. 54	17.0 ab
	Mannoprl	808 b	3689 ab	22.4	0. 54	16.9 ab
	Mannopr2	809 b	3671 a	22.1	0. 54	17.0 ab
	PolNat	768 a	3545 a	22.2	0. 54	16.3 a

	F	10.1	5.8	0.8	0.2	3.1
	sign	*⁽¹⁾	*	ns	ns	ns

After 6 months of bottle aging	Control	470 ab	2861 a	20.3	0.64	13.0 b
	GommaK	499 ef	2953 bcde	19.9	0.63	12.9 ab
	Mannoprl	477 abc	2896 ab	20.1	0.64	12.9 ab
	Mannopr2	483 bcd	2917 abcd	20.0	0.64	13.0 b
	PolNat	462 a	2962 cde	20.1	0.64	12.7 a

	F	17.8	10.0	1.1	1.2	7.8
	sign	**⁽¹⁾	*	ns	ns	*

⁽¹⁾

Significance: *, ** and ns represent significance at p≤0.05, 0.01 and not significant, respectively.

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