Lets compare vitamin content per 100 grams of Welsh Onions vs Sweet Onions:
Raw Welsh Onions have 1.2 times more Vitamin B1, 4.5 times more Vitamin B2, 3 times more Vitamin B3, 1.7 times more Vitamin B5, 5.6 times more Vitamin C, 25.5 times more Vitamin E and 644.7 times more Vitamin K than Raw Sweet Onions.
While Raw Sweet Onions contain 1.8 times more Vitamin B6 and 1.4 times more Vitamin B9 than Raw Welsh Onions.
Both Raw Welsh Onions as well as Raw Sweet Onions have insufficient amounts of Vitamin D in 100 g.
Comparing minerals per 100 grams for Welsh Onions vs Sweet Onions:
Raw Welsh Onions have 1.3 times more Copper, 4.7 times more Iron, 2.6 times more Magnesium, 1.8 times more Manganese, 1.8 times more Phosphorus, 1.8 times more Potassium, 2.1 times more Sodium and 4 times more Zinc than Raw Sweet Onions.
Both Raw Welsh Onions and Raw Sweet Onions have similar amounts of Calcium, Selenium and Water per 100 g.
Comparison of macro-nutrients per 100 grams:
Raw Welsh Onions have 2.7 times more Fiber and 2.4 times more Protein than Raw Sweet Onions.
While Raw Sweet Onions contain 2.3 times more Sugars than Raw Welsh Onions.
Both Raw Welsh Onions and Raw Sweet Onions have similar amounts of Energy and Carbohydrate per 100 g.
Both Raw Welsh Onions as well as Raw Sweet Onions have insufficient amounts of Fat, Cholesterol, Glucose and Sucrose in 100 g.