Table 1 Nutritional composition, phytochemical compounds, and antioxidant activity of onion powder
| Â | Onion powder |
|---|---|
Protein (g/100 g) | 9.75 ± 0.08 |
Lipids (g/100 g) | 1.30 ± 0.06 |
Carbohydrates (g/100 g) | 80.10 ± 2.89 |
Glucose (g/100 g) | 27.7 ± 1.73 |
Fructose (g/100 g) | 20.7 ± 0.46 |
Sucrose (g/100 g) | 4.3 ± 0.11 |
Total fructans (g/100 g) | 4.2 ± 0.10 |
Total dietary fibre (g/100 g) | 23.2 ± 1.15 |
Soluble fibre (g/100 g) | 3.2 ± 0.09 |
Insoluble fibre (g/100 g) | 20.0 ± 0.17 |
Ash (g/100 g) | 4.63 ± 0.07 |
Total phenols (mg GAE/100 g) | 1629.6 ± 60.0 |
Quercetin 3-glucoside (mg/100 g) | 32.22 ± 0.90 |
Quercetin 4'-glucoside (mg/100 g) | 950.00 ± 2.99 |
Quercetin 3,4'-diglucoside (mg/100 g) | 1368.89 ± 8.77 |
Quercetin 7,4'-diglucoside (mg/100 g) | 31.56 ± 0.33 |
Quercetin 3,7,4'-triglucoside (mg/100 g) | 9.16 ± 0.32 |
Isorhamnetin 4'-glucoside (mg/100 g) | 45.16 ± 1.54 |
Isorhamnetin 3,4'-diglucoside (mg/100 g) | 32.00 ± 0.19 |
Total ACSOs (mg BCSOE/100 g) | 4120.89 ± 89.43 |
Propionaldehyde (mg/100 g) | 245.04 ± 39.61 |
1-Propanethiol (mg/100 g) | 23.54 ± 0.90 |
Hexanal (mg/100 g) | 0.04 ± 0.001 |
2-Methyl 2-pentenal (mg/100 g) | 10.80 ± 0.67 |
Propyl thioacetate (mg/100 g) | 0.45 ± 0.03 |
Dimethyl trisulfide (mg/100 g) | 66.41 ± 5.02 |
Dipropyl disulfide (mg/100 g) | 89.45 ± 3.29 |
Methyl propyl trisulfide (mg/100 g) | 42.28 ± 2.14 |
Dipropyl trisulfide (mg/100 g) | 25.50 ± 2.45 |
Ascorbic acid (mg/100 g) | 62.31 ± 0.77 |
Total vitamin C (mg/100 g) | 104.26 ± 4.07 |
Scavenging of NO• (μmol TE/100 g) | 1706.00 ± 49.61 |
ABTS•+ (μmol TE/100 g) | 4936.67 ± 72.65 |
DPPH• (μmol TE/100 g) | 1135.00 ± 82.21 |
FRAP (μmol TE/100 g) | 12245.14 ± 60.45 |