25 30 35 25 30 35 25 30 35 25 30 35
1.97 1.89 1.54 1.65 1.58 1.45 1.46 1.42 1.28 1.30 1.26 1.10
± ± ± ± ± ± ± ± ± ± ± ± 0.04 0.03 0.03 0.06 0.02 0.02 0.04 0.02 0.05 0.01 0.04 0.04
Specific surface area (m2 g−1 ) 1.09 1.04 1.39 1.22 1.24 1.45 1.40 1.46 1.68 1.59 1.68 2.04
± ± ± ± ± ± ± ± ± ± ± ± 0.03 0.03 0.04 0.04 0.02 0.05 0.04 0.03 0.06 0.03 0.03 0.04
D(v,0.1)a (µm) 4.72 4.89 6.03 5.62 5.79 6.63 6.59 6.70 7.54 7.69 7.97 9.08
± ± ± ± ± ± ± ± ± ± ± ± 0.05 0.05 0.06 0.04 0.06 0.06 0.07 0.02 0.06 0.03 0.05 0.09
D(v,0.5)a (µm) 2.61 2.63 3.17 2.92 3.02 3.43 3.36 3.49 3.85 3.74 3.80 4.47
± ± ± ± ± ± ± ± ± ± ± ± 0.04 0.04 0.05 0.04 0.03 0.06 0.03 0.02 0.05 0.05 0.06 0.06
D[3,2]a (µm)
Particle size distribution
7.80 ± 0.06 8.02 ± 0.05 8.44 ± 0.03 10.28 ± 0.07 10.32 ± 0.14 10.39 ± 0.08 13.35 ± 0.08 13.36 ± 0.07 13.55 ± 0.09 17.46 ± 0.05 17.58 ± 0.06 17.90 ± 0.05
D[4,3]a (µm)
18.71 18.72 18.60 25.60 25.53 25.06 35.53 35.59 35.39 50.16 50.41 50.08
± ± ± ± ± ± ± ± ± ± ± ±
0.19 0.46 0.24 0.04 0.65 0.32 0.14 0.27 1.14 0.65 0.79 0.48
D(v,0.9)a (µm)
Mean values ± standard deviations from triplicate analysis. a D(v,0.1), D(v,0.5), D[3,2], D[4,3] and D(v,0.9), respectively, represent 10%, 50%, Sauter mean diameter, mean particle diameter and 90% of all particles finer than this size.
50 ± 1.0
35 ± 1.0
25 ± 1.0
18 ± 1.0
Fat content (%)
Particle size distribution of the dark chocolates
Particle size (D90 )a (µm)
Table 7.2
106 Chocolate Science and Technology