Attributes
Acidity
Like all citrus fruits, the orange is acidic, with a pH level of around 2.5-3; depending on the age, size and variety of the fruit.
Although this is not, on average, as strong as the lemon, it is still quite acidic on the pH scale – as acidic as household vinegar.
Nutrition Value
Nutritional value per 100 g (3.5 oz)
Energy 192 kJ (46 kcal)
Carbohydrates 11.54 g
Sugars 9.14 g
Dietary fiber 2.4 g
Fat 0.21 g
Protein 0.70 g
Thiamine (Vit. B1) 0.100 mg (8%)
Riboflavin (Vit. B2) 0.040 mg (3%)
Niacin (Vit. B3) 0.400 mg (3%)
Pantothenic acid (B5) 0.250 mg (5%)
Vitamin B6 0.051 mg (4%)
Folate (Vit. B9) 17 μg (4%)
Vitamin C 45 mg (75%)
Calcium 43 mg (4%)
Iron 0.09 mg (1%)
Magnesium 10 mg (3%)
Phosphorus 12 mg (2%)
Potassium 169 mg (4%)
Zinc 0.08 mg (1%)