Lets compare vitamin content per 14 ounces of Onions vs Boiled Onions:
Raw Onions have 1.3 times more Vitamin B9 and 1.4 times more Vitamin C than Boiled and Drained Onions.
While Boiled and Drained Onions contain 1.4 times more Vitamin B3 than Raw Onions.
Both Raw Onions and Boiled and Drained Onions have similar amounts of Vitamin B1, Vitamin B2, Vitamin B5 and Vitamin B6 per 14 oz.
Both Raw Onions as well as Boiled and Drained Onions have insufficient amounts of Vitamin A, Vitamin B12, Vitamin D, Vitamin E and Vitamin K in 14 oz.
Comparing minerals per 14 ounces for Onions vs Boiled Onions:
Boiled and Drained Onions contain 1.7 times more Copper than Raw Onions.
Both Raw Onions and Boiled and Drained Onions have similar amounts of Calcium, Iron, Magnesium, Manganese, Phosphorus, Potassium, Selenium, Zinc and Water per 14 oz.
Comparison of macro-nutrients per 14 ounces:
Raw Onions have 1.2 times more Fiber than Boiled and Drained Onions.
Both Raw Onions and Boiled and Drained Onions have similar amounts of Energy, Carbohydrate, Sugars, Fructose and Protein per 14 oz.
Both Raw Onions as well as Boiled and Drained Onions have insufficient amounts of Fat, Omega 3, Omega 6, Cholesterol, Glucose and Sucrose in 14 oz.