Table 1.
Amino acid content of the animal protein hydrolysates used as a biostimulant on snapdragon plants (“Yellow floral shower” and “Red sonnet”).
| Amino acid | Content (mg L−1) | Amino acid | Content (mg L−1) |
|---|---|---|---|
| Glycine | 10.90 | Serine | 1.62 |
| Glutamic acid | 6.52 | Phenylalanine | 1.24 |
| Proline | 6.50 | Isoleucine | 0.86 |
| Hydroxyproline | 5.28 | Cysteine + Cystine | 0.46 |
| Alanine | 4.94 | Methionine | 0.38 |
| Aspartic acid | 3.45 | Tyrosine | 0.34 |
| Arginine | 2.98 | Threonine | 0.34 |
| Leucine | 2.21 | Valine | 0.15 |
| Betaine | 2.02 | Histidine | <DL |
| Lysine | 1.85 | Tryptophan | <DL |
DL, detection limit.