Table 4. Phenolic compounds in the ethanol and water extracts obtained from exocarp, mesocarp, and aril juice of the different unknown varieties.
| Sample source | Code | Genotype | w/(mg/100 g)* | |||||
|---|---|---|---|---|---|---|---|---|
| Epicatechin | Catechin | Gallic acid | Delphinidin-3,5- -di-O-glucoside |
Cyanidin-3,5- -di-O-glucoside |
Pelargonidin-3,5- -di-O-glucoside |
|||
| Ethanol extracts | ||||||||
| Exocarp | Pg1 | A | 6.2±0.4 | 2.21±0.09 | 0.78±0.02 | 0.119±0.000 | 0.283±0.001 | 0.103±0.002 |
| Pg5 | D | 10.4±0.4 | 4.2±0.3 | 0.68±0.05 | 0.174±0.001 | 1.87±0.06 | 1.88±0.01 | |
| Pg6 | F | 11.8±0.4 | 4.7±0.3 | 0.487±0.004 | 0.283±0.005 | 0.717±0.01 | 0.202±0.002 | |
| Pg7 | B | 3.2±0.1 | 1.38±0.04 | 0.40±0.02 | 0.128±0.001 | 0.260±0.007 | 0.40±0.02 | |
| Pg8 | B | 2.5±0.1 | 1.09±0.07 | 0.31±0.01 | 0.187±0.009 | 0.302±0.003 | 0.32±0.02 | |
| Pg9 | C | 9.2±0.4 | 3.6±0.2 | 0.28±0.02 | 0.044±0.002 | 0.440±0.001 | 0.19±0.01 | |
| Pg10 | C | 2.2±0.1 | 0.85±0.03 | 0.141±0.006 | 0.025±0.001 | 0.106±0.006 | 0.144±0.003 | |
| Pg12 | E | 3.2±0.2 | 1.3±0.1 | 0.248±0.005 | 0.050±0.001 | 0.224±0.004 | 0.070±0.004 | |
| Mesocarp | Pg1 | A | 0.70±0.01 | 0.28±0.04 | 0.233±0.001 | n.d. | n.d. | n.d. |
| Pg5 | D | 0.41±0.01 | 0.08±0.02 | 0.127±0.001 | n.d. | n.d. | n.d. | |
| Pg6 | F | 0.47±0.04 | 0.11±0.01 | 0.051±0.002 | n.d. | n.d. | n.d. | |
| Pg7 | B | 0.18±0.01 | 0.059±0.003 | 0.0298±0.0001 | n.d. | n.d. | n.d. | |
| Pg8 | B | 0.168±0.008 | 0.071±0.008 | 0.026±0.003 | n.d. | n.d. | n.d. | |
| Pg9 | C | 0.44±0.06 | <LOD | 0.078±0.004 | n.d. | n.d. | n.d. | |
| Pg10 | C | 0.225±0.008 | <LOD | 0.0580±0.0005 | n.d. | n.d. | n.d. | |
| Pg12 | E | 0.49±0.01 | 0.2570±0.0001 | 0.150±0.009 | n.d. | n.d. | n.d. | |
| Juice | Pg1 | A | 0.0261±0.0001 | <LOD | <LOD | 0.37±0.01 | 2.02±0.08 | 0.38±0.01 |
| Pg5 | D | 0.030±0.004 | <LOD | <LOD | 1.71±0.02 | 3.65±0.14 | 0.81±0.02 | |
| Pg6 | F | <LOD | <LOD | 0.006±0.001 | 3.01±0.02 | 4.19±0.06 | 0.516±0.005 | |
| Pg7 | B | <LOD | <LOD | 0.0024±0.0001 | 0.41±0.01 | 0.46±0.02 | 0.064±0.002 | |
| Pg8 | B | <LOD | <LOD | <LOD | 0.45±0.01 | 0.749±0.001 | 0.1044±0.0001 | |
| Pg9 | C | <LOD | <LOD | 0.0030±0.0004 | 0.482±0.001 | 0.286±0.003 | 0.030±0.001 | |
| Pg10 | C | <LOD | <LOD | <LOD | 0.99±0.03 | 0.56±0.01 | 0.060±0.002 | |
| Pg12 | E | <LOD | <LOD | <LOD | 0.241±0.003 | 0.408±0.004 | 0.077±0.003 | |
| Water extracts | ||||||||
| Exocarp | Pg1 | A | 0.195±0.004 | 0.41±0.02 | 0.552±0.007 | 0.0532±0.0009 | 0.0350±0.0003 | 0.033±0.005 |
| Pg5 | D | 0.307±0.004 | <LOD | 0.851±0.009 | 0.034±0.002 | 0.80±0.01 | 0.991±0.008 | |
| Pg6 | F | 0.316±0.003 | <LOD | 0.50±0.07 | <LOD | 0.244±0.005 | 0.095±0.002 | |
| Pg7 | B | 0.143±0.006 | <LOD | 0.17±0.01 | <LOD | 0.043±0.002 | 0.123±0.005 | |
| Pg8 | B | 0.118±0.006 | <LOD | 0.179±0.007 | 0.034±0.002 | 0.082±0.004 | 0.118±0.007 | |
| Pg9 | C | 0.24±0.05 | <LOD | 0.112±0.005 | 0.010±0.002 | 0.042±0.001 | 0.032±0.003 | |
| Pg10 | C | 0.16±0.03 | <LOD | 0.087±0.005 | <LOD | 0.0274±0.0008 | 0.053±0.001 | |
| Pg12 | E | 0.155±0.002 | <LOD | 0.59±0.03 | 0.0122±0.0006 | 0.047±0.003 | 0.0212±0.0005 | |
| Mesocarp | Pg1 | A | <LOD | <LOD | 0.146±0.002 | n.d. | n.d. | n.d. |
| Pg5 | D | 0.082±0.008 | <LOD | 0.72±0.01 | n.d. | n.d. | n.d. | |
| Pg6 | F | 0.048±0.009 | <LOD | 0.10±0.01 | n.d. | n.d. | n.d. | |
| Pg7 | B | 0.035±0.005 | <LOD | 0.0411±0.0004 | n.d. | n.d. | n.d. | |
| Pg8 | B | 0.022±0.003 | <LOD | 0.059±0.002 | n.d. | n.d. | n.d. | |
| Pg9 | C | 0.0250±0.0007 | <LOD | 0.099±0.002 | n.d. | n.d. | n.d. | |
| Pg10 | C | 0.0172±0.0001 | <LOD | 0.044±0.005 | n.d. | n.d. | n.d. | |
| Pg12 | E | 0.061±0.002 | <LOD | 0.109±0.009 | n.d. | n.d. | n.d. | |
| Juice | Pg1 | A | <LOD | <LOD | 0.005±0.002 | 0.0019±0.0001 | 0.201±0.001 | 0.0603±0.0004 |
| Pg5 | D | <LOD | <LOD | 0.010±0.003 | 0.0533±0.0002 | 1.08±0.03 | 0.229±0.004 | |
| Pg6 | F | <LOD | <LOD | 0.0018±0.0001 | 0.243±0.006 | 0.29±0.04 | 0.0270±0.0001 | |
| Pg7 | B | <LOD | <LOD | 0.0042±0.0001 | 0.000164±0.00001 | 0.065±0.003 | 0.0130±0.0003 | |
| Pg8 | B | <LOD | <LOD | 0.0084±0.0008 | 0.0017±0.0002 | 0.111±0.004 | 0.0206±0.0001 | |
| Pg9 | C | <LOD | <LOD | 0.0036±0.0007 | 0.098±0.001 | 0.078±0.003 | 0.0074±0.0001 | |
| Pg10 | C | <LOD | <LOD | 0.0016±0.0001 | 0.100 ±0.001 | 0.064±0.003 | 0.00678±0.00003 | |
| Pg12 | E | <LOD | <LOD | 0.0010±0.0001 | 0.00502±0.00007 | 0.0181±0.0001 | 0.0031±0.0002 | |
Data are mean value±standard deviation, *expressed on wet mass basis, LOD=limit of detection, n.d.=not determined