Table 2.
Physiochemical analysis, mineral content, functional properties, and antioxidant activity of cantaloupe peel (CP) and seed (CS) powder.
| Component | CP powder | CS powder |
|---|---|---|
| Moisture (%) | 17.99±0.27a | 7.20±0.11b |
| Fat (%) | 2.13±0.13b | 29.54±0.71a |
| Protein (%) | 7.50±0.51b | 27.53±1.09a |
| Total carbohydrate (%) | 68.8±3.83a | 31.10±1.92b |
| Total dietary Fiber (%) | 39.33±2.08a | 24.17±1.61b |
| Ash (%) | 3.54±0.13b | 4.64±0.14a |
| pH | 6.22±0.02b | 7.00±0.11a |
|
| ||
| Minerals (mg/ 100g) | ||
| Calcium | 1000±1.53a | 940±2.52b |
| Potassium | 760±1.53a | 410±1.37b |
| Magnesium | 320±1.05b | 900±1.53a |
| Iron | 1.60±0.10b | 2.50±0.09a |
| Zinc | 0.35±0.02b | 2.10±0.10a |
| Sodium | 130±1.95b | 289±1.05a |
|
| ||
| Functional properties | ||
| Water retention capacity (g water/g) | 5.96±0.12a | 4.43±0.17b |
| Oil retention capacity (g oil/g) | 2.35±0.05a | 2.50±0.10a |
|
| ||
| Antioxidant Activity | ||
| Total phenolic (mg GAE/100 mL) | 1050±50.95a | 220±19.90b |
| DPPH scavenging (%) | 91.34±3.89a | 49.04±3.96b |
| FRAP (mg AAE/ 100 mL) | 700±55.50a | 25.03±2.05b |
All determinations were carried out in triplicate and mean value ± SD. Different letters in rows indicate significant different value at p < 0.05.