Oranges are round juicy citrus fruit that have a tough bright reddish-yellow skin. They are a hugely popular fruit that are eaten around the world in various cultures and civilizations.
They are native to hot Mediterranean countries but are now native to many countries around the world who cultivate them for their many qualities. Not only are they eaten raw, they are also added to culinary dishes and also extensively for their juice which is sold as a drink.
Nutritional value per 100 g (3.5 oz)
Energy 197 kJ (47 kcal)
Carbohydrates
11.75 g
Sugars 9.35 g
Dietary fiber 2.4 g
Fat
0.12 g
Protein
0.94 g
Vitamins
Vitamin A equiv. (1%) 11 μg
Thiamine (B1) (8%) 0.087 mg
Riboflavin (B2) (3%) 0.04 mg
Niacin (B3) (2%) 0.282 mg
Pantothenic acid (B5)
(5%) 0.25 mg
Vitamin B6 (5%) 0.06 mg
Folate (B9) (8%) 30 μg
Choline (2%) 8.4 mg
Vitamin C (64%) 53.2 mg
Vitamin E (1%) 0.18 mg
Minerals
Calcium (4%) 40 mg
Iron (1%) 0.1 mg
Magnesium (3%) 10 mg
Manganese (1%) 0.025 mg
Phosphorus (2%) 14 mg
Potassium (4%) 181 mg
Zinc (1%) 0.07 mg
Other constituents
Water 86.75 g
source wikipedia
This means that they can’t unfortunately eat oranges because of the water and acidic content that they have which is typical of citrus fruits.
Too much acid and water will cause them to have stomach pains if they do consume them. A food to avoid.