The protein found in buckwheat is comparatively lower than quinoa. Quinoa is richer in protein, with 4.4 g per 100 g serving, while buckwheat provides 3.4 g in the same serving size. Buckwheat has 343 kcal per 100 g and quinoa 368 kcal per 100 g, so it's quite easy to calculate that the difference is around 7%. Quinoa, known as the mother of all cereals, belongs to the category of pseudo-cereals and comes from a shrub plant.
It has a very high nutritional value, since it contains all the macronutrients (carbohydrates, proteins and fats) and a wide variety of micronutrients. Quinoa proteins have a high biological value and contain all the essential amino acids. While these two types of grains are not the best source of protein in terms of quantity, the quality of the protein is high, as these grains have some amounts of all the essential amino acids. Buckwheat is a traditional food from the East, as it has been used to make pasta and noodles and is considered one of the healthiest food options.