| Amino acid | Wild O. sinensis (mg/100g) | P. hepiali (mg/100g) | Analysis method |
| Alanine (Ala) | 1400 | 1890 | Amino acid analyzer |
| Arginine (Arg) | 1210 | 2310 | Amino acid analyzer |
| Aspartic acid (Asp) | 2090 | 3310 | Amino acid analyzer |
| Cysteine (Cys) | 390 | 670 | Amino acid analyzer |
| Glutamic acid (Glu) | 3230 | 4890 | Amino acid analyzer |
| Glycine (Gly) | 1350 | 1520 | Amino acid analyzer |
| Histidine (His) | 460 | 480 | Amino acid analyzer |
| Isoleucine (lle) | 860 | 940 | Amino acid analyzer |
| Leucine (Leu) | 870 | 1320 | Amino acid analyzer |
| Lysine (Lys) | 1380 | 1970 | Amino acid analyzer |
| Methionine (Met) | 260 | 410 | Amino acid analyzer |
| Phenylalanine (Phe) | 850 | 1350 | Amino acid analyzer |
| Proline (Pro) | 2570 | 2630 | Amino acid analyzer |
| Serine (Ser) | 1780 | 1810 | Amino acid analyzer |
| Threonine (Thr) | 1340 | 1890 | Amino acid analyzer |
| Tryptophan (Trp) | 240 | 490 | HPLC |
| Tyrosine (Tyr) | 890 | 1120 | Amino acid analyzer |
| Valine (Val) | 1690 | 1920 | Amino acid analyzer |