Table 1.

Individual volunteer (n = 20) data, mean, median and standard deviation (SD) of urinary parameters (pH, uric acid, oxalate, theobromine, UAC test and uric acid relative supersaturation (RSS) [26]) for basal conditions and under cocoa derived products nutritional intervention.

Volunteer	pH				Uric Acid (mg/L)				Oxalate (mg/L)
1	B	MC	PC	DC	B	MC	PC	DC	B	MC	PC	DC
2	5.85	6.05	5.68	6.39	404	460	461	393	16	17	15	16
3	6.44	6.03	5.54	6.33	346	623	478	555	11	22	10	18
4	7.05	5.73	6.58	5.53	207	142	210	336	37	39	40	34
5	5.00	6.25	6.58	5.72	273	679	398	367	16	25	13	16
6	4.90	5.40	5.04	5.15	453	396	391	525	20	33	19	39
7	5.02	5.60	5.40	5.74	562	709	571	857	37	34	38	58
8	5.35	5.22	5.39	5.10	393	549	156	270	15	29	8	27
9	5.65	5.43	6.35	5.81	326	608	276	516	15	25	10	50
10	5.84	5.56	5.66	5.60	537	558	725	489	36	9	45	26
11	5.54	5.72	6.35	6.60	404	400	317	539	16	39	12	29
12	5.66	5.92	5.68	5.44	469	688	528	405	24	12	28	44
13	6.20	5.62	5.86	5.89	847	281	303	561	31	36	15	23
14	5.33	5.32	5.04	5.53	847	951	389	891	23	24	22	40
15	5.29	5.23	5.15	5.20	728	757	594	610	27	42	31	25
16	5.62	5.49	6.07	5.86	313	113	277	230	23	6	14	18
17	6.15	5.33	6.23	7.03	316	813	283	496	16	24	16	27
18	5.42	5.64	6.22	5.50	392	285	139	508	22	10	10	36
19	6.40	6.58	6.96	5.64	286	720	311	706	24	28	27	42
20	6.06	5.40	5.20	5.53	188	178	252	169	11	10	14	13
mean	5.69	5.65	5.80	5.72	425	507	387	483	22	24	21	32*
median	5.64	5.58	5.68	5.59	393	554	353	502	21	25	16	30
SD	0.56	0.36	0.59	0.48	195	244	167	191	8	11	11	12
Volunteer	Theobromine (mg/L)				UAC test				Uric acid RSS
1	B	MC	PC	DC	B	MC	PC	DC	B	MC	PC	DC
2	8.5	8.5	27.2	51.7	1	2	0	0	−0.37	−0.65	0.15	−1.52
3	0.0	4.2	16.8	20.5	2	4	2	3	−1.76	−0.28	0.51	−1.02
4	2.7	23.2	29.3	32.5	1	1	1	3	−3.47	−1.25	2.58	0.14
5	0.9	9.0	21.0	17.1	4	2	0	1	1.20	−0.64	−1.88	−0.19
6	0.0	4.8	18.3	24.6	1	4	0	0	2.01	0.63	1.49	1.54
7	1.6	5.3	20.5	45.0	3	4	0	1	1.94	0.81	1.03	0.70
8	0.0	6.2	9.4	26.8	2	2	0	1	0.74	1.42	−0.37	0.93
9	2.6	6.7	19.2	37.6	4	3	0	0	−0.16	1.03	−1.83	−0.01
10	0.2	9.1	17.9	28.5	2	2	3	1	−0.03	0.63	0.69	0.40
11	0.0	4.2	15.9	30.3	3	2	1	0	0.32	−0.09	−1.68	−1.58
12	0.0	3.5	15.8	15.6	1	4	0	0	0.22	0.07	0.30	0.56
13	0.0	6.3	15.8	32.7	2	2	1	2	−0.29	−0.26	−0.71	−0.09
14	2.0	20.7	16.2	45.0	6	6	2	4	1.63	1.78	1.48	1.22
15	0.0	4.6	15.2	24.1	6	6	6	4	1.56	1.75	1.67	1.58
16	4.3	1.6	21.8	9.6	2	2	2	1	−0.14	−0.96	−1.25	−1.01
17	0.0	5.7	19.3	36.7	4	4	2	6	−1.27	1.58	−1.56	−2.48
18	0.0	6.1	15.4	37.5	2	2	0	0	0.57	−0.29	−2.32	0.67
19	9.2	10.1	12.9	32.7	2	2	1	1	−1.89	−1.23	−2.86	0.71
20	3.3	7.3	34.0	26.6	1	2	0	1	−1.66	−0.25	0.61	−0.61
mean	2.3	7.6	19.3	30.6	2.6	3.0	1.3	1.6	−0.01	0.18	−0.35	−0.00
median	1.0	6.2	18.1	31.4	2.0	2.0	1.0	1.0	0.09	−0.15	−0.11	0.08
SD	2.4	5.4	5.9	10.3	1.7	1.3	1.7	1.7	1.44	0.97	1.55	1.09

* p < 0.05 DC vs. B and PC. B: Basal conditions, MC: Milk chocolate consumption, PC: Cocoa powder consumption, DC: Dark chocolate consumption.