| Amino acids | Sample 2009 | Sample 2011 |
| (mg/g pollen) | (mg/pollen) | |
| Asparagine | 0.80 | 1.04 |
| Serine | 3.72 | 4.27 |
| Glutamine | 0.20 | 0.21 |
| Glycine | 0.37 | 0.36 |
| Histidine | 0.73 | 0.70 |
| Arginine | 0.32 | 0.30 |
| Threonine | 0.30 | 0.23 |
| Alanine | 0.91 | 0.93 |
| Proline | 11.79 | 9.54 |
| Cysteine | - | - |
| Tyrosine | 0.41 | 0.32 |
| Valine | 0.41 | 0.29 |
| Methionine | 0.17 | 0.14 |
| Lysine | 0.53 | 0.32 |
| Isoleucine | 0.21 | 0.14 |
| Leucine | 0.61 | 0.61 |
| Phenylalanine | 0.41 | 0.36 |
| Mannitol | 208.0 mg | 310.0 mg |