Table 3.

Content (mg/g chocolate) of flavan-3-ols [epicatechin (EC), catechin (C), procyanidin B2], sum of phenolic acids and the sum of flavonoid derivatives [Ʃ Flavonoid D] in the formulated enriched chocolates during 12 months of storage*The standard deviation of all measurements amounts to < 10 % of the mean value

		Flavan-3-ols			∑ Phenolic acids	Ʃ Flavonoid D
		(−) – EC	(+)- C	Proc B2
0 month	Mplain	0212	n.d.	0223	0.288	0027
	M CE	0183	0023	0081	0.06	0036
	M FD	0231	0021	0110	0.083	0050
4 month	Mplain	0209	0024	0095	0.121	0020
	M CE	0220	0035	0097	0.088	0035
	M FD	0296	0028	0179	0.13	n.d.
8 month	Mplain	0245	0060	0156	0.285	0058
	M CE	0163	0038	0106	0.132	0033
	M FD	0235	0036	0053	0.123	0050
12 month	Mplain	0136	0045	0076	0.099	traces
	M CE	0254	0039	0061	0.154	0533
	M FD	0294	0041	0087	0.126	0125
0 month	Splain	0227	0137	0358	0.053	0245
	S CE	0296	0113	0299	0.068	0191
	S FD	0241	0110	0315	0.066	0089
4 month	Splain	0336	0094	0252	0.152	0211
	S CE	0274	0134	0199	0.201	0270
	S FD	0225	n.d.	0179	0.052	n.d.
8 month	Splain	0342	0139	0237	0.083	0141
	S CE	0247	0158	0119	0.164	0331
	S FD	0140	0121	0234	0.04	n.d.
12 month	Splain	0385	0094	0271	0.089	0166
	S CE	0169	0158	0223	0.046	0164
	S FD	0260	0118	0094	0.079	0090
0 month	Dplain	0923	0211	0718	0.184	0185
	D CE	1386	0217	0569	0.088	0422
	D FD	1887	0209	0317	0.476	1028
4 month	Dplain	1186	0219	0640	0.28	0163
	D CE	0875	n.d.	0520	0.294	n.d.
	D FD	1189	n.d.	0459	0.28	n.d.
8 month	Dplain	1923	0386	0959	0.261	0192
	D CE	1064	0312	0825	0.34	0432
	D FD	2258	0289	0587	0.383	0448
12 month	Dplain	0732	0257	0486	0.317	n.d.
	D CE	1546	0369	0714	0.565	0498
	D FD	2076	0444	0779	1.099	0543

M milk chocolate, S semisweet chocolate, D dark chocolate

*The values on figures b and c superscripted with the same alphabet (a–f) are not significant (p > 0.05)

*The TPC values on figure a) superscripted with the same alphabet (a–o) are significant (p < 0.05)