Table 1.
Nutritional composition of cactus pear peel.
| Ranges | Refs. | |
|---|---|---|
| Moisture (%) | 80.17–90.33 | [12,37] |
| Ash (%) | 1.60–3.05 | [12,37] |
| Minerals | ||
| Mg (mg/100 g) | 0.987 | |
| Ca (mg/100 g) | 0.951 | |
| Na (mg/100 g) | 0.925 | |
| K (mg/100 g) | 0.320 | [12] |
| Fe (mg/100 g) | 0.129 | |
| Mn (mg/100 g) | 0.090 | |
| Zn (mg/100 g) | 0.090 | |
| Protein (%) | 0.90–4.14 | [12,35] |
| Lipids (%) | 0.94–2.43 | [4,11] |
| Palmitic (%) | 23.71 | |
| Stearic (%) | 3.93 | |
| Arachidonic (%) | 5.52 | |
| Palmitoleic (%) | 2.46 | [12] |
| Oleic (%) | 19.73 | |
| Linoleic (%) | 28.96 | |
| Linolenic (%) | 15.68 | |
| Carbohydrates | 27.60 | [4] |
| Total sugars (%) | 3.53 | [35] |
| Reducing sugars (%) | 2.07 | [35] |
| Saccharose (mg/100 g) | 0.00225 | [37] |
| Glucose (mg/100 g) | 0.014 | [37] |
| Fructose (mg/100 g) | 0.0029 | [37] |
| Galacturonic acid (mg/100 g) | 2.23 | [12] |
| Stachyose (mg/100 g) | 1.81 | [12] |
| Mannitol (mg/100 g) | 1.48 | [12] |
| Sorbitol (mg/100 g) | 0.71 | [12] |
| Arabinose (mg/100 g) | 0.05 | [12] |
| Starch (mg/100 g) | 7.12 | [4] |
| Fiber | ||
| Total fiber | 40.80 | [4] |
| Crude fiber (%) | 0.96 | [12] |
| Insoluble fiber (%) | 7.98–8.12 | [38] |
| Soluble fiber (%) | 19.39–34.95 | [38] |
| Hemicellulose (%) | 20.80 | [4] |
| Cellulose (%) | 27.0 | [11] |
| Lignin (%) | 2.4 | [11] |
| Pectin (%) | 7.71 | [4] |
| Mucilage (%) | 4.10 | [11] |
| Vitamins | ||
| Ascorbic acid (mg/100 g) | 27.3 | |
| Niacin (B3) (mg/100 g) | 0.26 | [38] |
| Pyridoxine (B6) (mg/100 g) | 0.19 | |
| Folic acid (B9) (mg/100 g) | 0.11 |