Lets compare vitamin content per 1 kilogram of Buckwheat vs Navel Oranges:
Buckwheat has 1.5 times more Vitamin B1, 8.3 times more Vitamin B2, 16.5 times more Vitamin B3, 4.7 times more Vitamin B5 and 2.7 times more Vitamin B6 than Raw Navel Oranges.
While Raw Navel Oranges contain more Vitamin A and more Vitamin C than Buckwheat.
Both Buckwheat and Raw Navel Oranges have similar amounts of Vitamin B9 per 1 kg.
Both Buckwheat as well as Raw Navel Oranges have insufficient amounts of Vitamin B12 and Vitamin D in 1 kg.
Comparing minerals per 1 kilogram for Buckwheat vs Navel Oranges:
Buckwheat has 28.2 times more Copper, 16.9 times more Iron, 21 times more Magnesium, 44.8 times more Manganese, 15.1 times more Phosphorus, 2.8 times more Potassium, more Selenium and 30 times more Zinc than Raw Navel Oranges.
While Raw Navel Oranges contain 2.4 times more Calcium and 8.8 times more Water than Buckwheat.
Comparison of macro-nutrients per 1 kilogram:
Buckwheat has 7 times more Energy, 22.7 times more Fat, 43.6 times more Saturated Fat, 8.7 times more Omega 3, 41.8 times more Omega 6, 5.7 times more Carbohydrate, 4.5 times more Fiber and 14.6 times more Protein than Raw Navel Oranges.
Both Buckwheat as well as Raw Navel Oranges have insufficient amounts of Cholesterol, Glucose and Sucrose in 1 kg.