Beef, top sirloin, steak, lean and fat, trimmed to 1/8" fat, all grades, raw: amino acid profile
raw · USDA SR Legacy, FDC ID 168726 (Beef Products)
How much protein and leucine does it contain?
Per 100 g, Beef, top sirloin, steak, lean and fat, trimmed to 1/8" fat, all grades, raw provides 20.3 g protein and 1.61 g leucine. Use the listed preparation when comparing portions.
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The first column of amounts is per 100 g of food; the second compares the composition of the protein itself.
| Amino acid | g / 100 g | g / 100 g protein |
|---|---|---|
| Leucine Essential (BCAA) | 1.61 | 8.0 |
| Isoleucine Essential (BCAA) | 0.92 | 4.6 |
| Valine Essential (BCAA) | 1.01 | 5.0 |
| Lysine Essential | 1.72 | 8.5 |
| Threonine Essential | 0.81 | 4.0 |
| Phenylalanine Essential | 0.80 | 4.0 |
| Methionine Essential | 0.53 | 2.6 |
| Histidine Essential | 0.65 | 3.2 |
| Tryptophan Essential | 0.13 | 0.7 |
| Glutamic acid Non-essential | 3.05 | 15.0 |
| Aspartic acid Non-essential | 1.85 | 9.1 |
| Proline Non-essential | 0.97 | 4.8 |
| Alanine Non-essential | 1.23 | 6.1 |
| Serine Non-essential | 0.80 | 3.9 |
| Tyrosine Non-essential | 0.65 | 3.2 |
| Arginine Non-essential | 1.31 | 6.5 |
| Cysteine Non-essential | 0.26 | 1.3 |
| Glycine Non-essential | 1.24 | 6.1 |
What do these numbers mean? Read the guide →
By Logan King and Dr Paul T Morgan, Senior Lecturer in Human Nutrition and Metabolism, Manchester Metropolitan University.
Amino acid score compares this food's scarcest essential amino acid with the WHO/FAO/UNU 2007 adult pattern; 100%+ means every essential amino acid is carried in good proportion. Data: USDA SR Legacy, FDC ID 168726 (Beef Products). Educational reference, not medical advice.