Table 2.
The content of total flavonoids (mg GAE/g chocolate), flavan-3-ols (mg CE/g chocolate) and proanthocyanidins (mg CyE/g chocolate) of experimental chocolates affected by storage time
| Flavonoids | Flavan-3-ols (mg CE/g chocolate) | Proanthocyanidins | |||
|---|---|---|---|---|---|
| mg GAE/g chocolate | Vanillin index | p-DAC | mg CyE/g chocolate | ||
| Milk chocolate | |||||
| 0 month | M | 1.19 ± 0.15 | 0.83 ± 0.02 | 0.44 ± 0.09 | 0.26 ± 0.06 |
| M CE | 1.25 ± 0.07 | 1.05 ± 0.04 | 0.48 ± 0.01 | 0.35 ± 0.09 | |
| M FD | 1.58 ± 0.10 | 1.05 ± 0.01 | 0.47 ± 0.01 | 0.39 ± 0.00 | |
| 4 month | M | 1.35 ± 0.12 | 0.86 ± 0.08 | 0.43 ± 0.00 | 0.32 ± 0.05 |
| M CE | 1.56 ± 0.21 | 1.11 ± 0.13 | 0.48 ± 0.03 | 0.38 ± 0.03 | |
| M FD | 1.82 ± 0.13 | 1.27 ± 0.08 | 0.55 ± 0.00 | 0.38 ± 0.07 | |
| 8 month | M | 1.44 ± 0.11 | 1.45 ± 0.17 | 0.53 ± 0.02 | 0.30 ± 0.02 |
| M CE | 1.67 ± 0.10 | 1.31 ± 0.15 | 0.51 ± 0.01 | 0.43 ± 0.01 | |
| M FD | 1.90 ± 0.17 | 1.66 ± 0.19 | 0.54 ± 0.02 | 0.44 ± 0.01 | |
| 12 month | M | 1.42 ± 0.15 | 1.55 ± 0.04 | 0.64 ± 0.04 | 0.40 ± 0.07 |
| M CE | 1.58 ± 0.14 | 1.32 ± 0.03 | 0.69 ± 0.05 | 0.58 ± 0.08 | |
| M FD | 2.17 ± 0.09 | 1.82 ± 0.06 | 0.65 ± 0.01 | 0.55 ± 0.03 | |
| Semisweet chocolate | |||||
| 0 month | S | 5.48 ± 0.85 | 2.77 ± 0.11 | 1.61 ± 0.01 | 1.14 ± 0.01 |
| S CE | 5.59 ± 1.77 | 2.35 ± 0.19 | 1.63 ± 0.00 | 1.28 ± 0.06 | |
| S FD | 6.20 ± 1.11 | 2.64 ± 0.02 | 1.58 ± 0.00 | 1.66 ± 0.15 | |
| 4 month | S | 6.25 ± 0.19 | 2.41 ± 0.10 | 1.52 ± 0.06 | 1.32 ± 0.26 |
| S CE | 6.30 ± 0.13 | 2.94 ± 0.04 | 1.65 ± 0.00 | 1.30 ± 0.23 | |
| S FD | 6.35 ± 0.31 | 2.62 ± 0.47 | 1.68 ± 0.04 | 1.65 ± 0.05 | |
| 8 month | S | 7.05 ± 0.42 | 2.90 ± 0.15 | 1.55 ± 0.04 | 1.32 ± 0.02 |
| S CE | 6.02 ± 0.19 | 2.86 ± 0.48 | 1.71 ± 0.07 | 1.83 ± 0.07 | |
| S FD | 7.11 ± 0.34 | 2.69 ± 0.04 | 1.63 ± 0.01 | 1.63 ± 0.04 | |
| 12 month | S | 7.91 ± 0.27 | 2.93 ± 0.01 | 1.69 ± 0.02 | 1.33 ± 0.05 |
| S CE | 8.39 ± 0.22 | 3.19 ± 0.07 | 1.67 ± 0.06 | 1.84 ± 0.17 | |
| S FD | 8.68 ± 0.19 | 3.34 ± 0.17 | 1.61 ± 0.03 | 1.81 ± 0.21 | |
| Dark chocolate | |||||
| 0 month | D | 6.45 ± 0.26 | 4.32 ± 0.06 | 1.79 ± 0.33 | 1.62 ± 0.23 |
| D CE | 6.98 ± 0.66 | 4.55 ± 0.29 | 1.70 ± 0.01 | 1.75 ± 0.01 | |
| D FD | 7.61 ± 0.76 | 4.72 ± 0.11 | 2.01 ± 0.01 | 1.77 ± 0.13 | |
| 4 month | D | 7.41 ± 0.13 | 4.21 ± 0.34 | 1.81 ± 0.01 | 1.85 ± 0.14 |
| D CE | 8.09 ± 0.35 | 4.83 ± 0.02 | 1.87 ± 0.08 | 2.09 ± 0.84 | |
| D FD | 8.84 ± 0.05 | 4.61 ± 0.65 | 1.93 ± 0.09 | 2.17 ± 0.25 | |
| 8 month | D | 7.66 ± 0.66 | 4.13 ± 0.13 | 1.91 ± 0.02 | 1.91 ± 0.04 |
| D CE | 7.89 ± 0.21 | 4.58 ± 0.05 | 2.01 ± 0.10 | 1.97 ± 0.01 | |
| D FD | 8.80 ± 0.34 | 4.67 ± 0.03 | 2.10 ± 0.03 | 2.32 ± 0.04 | |
| 12 month | D | 8.89 ± 0.18 | 4.22 ± 0.16 | 2.06 ± 0.05 | 1.94 ± 0.05 |
| D CE | 8.07 ± 0.21 | 4.64 ± 0.20 | 2.09 ± 0.05 | 2.03 ± 0.08 | |
| D FD | 9.80 ± 0.43 | 4.95 ± 0.07 | 2.26 ± 0.06 | 2.27 ± 0.09 | |
M milk chocolate, S semisweet chocolate, D dark chocolate