Buckwheat groats, roasted, cooked

Grams of protein per 100 grams of food: 3.38
Percentage protein (of total Calories): 15.0

Amino Acid Percentage Score
Tryptophan 1.45 2.07
Threonine 3.82 1.41
Isoleucine 3.76 1.50
Leucine 6.27 1.14
Lysine 5.09 1.00
Valine 5.12 1.60
Arginine 7.40 4.11
Methionine+Cystine 3.02 1.21
Phenylalanine+Tyrosine 5.77 1.23

Percentage: Amino acid amount divided by total protein amount.
Score: Amino acid percentage divided by ideal value for this amino acid

See This article about complete protein for more information.