Table 4 Effect of melatonin (0 and 100 mM) on amino acid composition of M. oleifera plants subjected to drought stress (normal irrigation and skipping two irrigation times)
Amino acid | Drought | D0 | D1 | ||
|---|---|---|---|---|---|
Treatment | M0 | M2 | M0 | M2 | |
Aspartic acid | 6.62 | 6.83 | 7.24 | 7.91 | |
Threonine* | 34.36 | 38.35 | 33.65 | 36.33 | |
Serine | 6.65 | 7.21 | 7.54 | 7.99 | |
Glutamic | 45.87 | 48.13 | 50.98 | 53.13 | |
Proline | 22.52 | 26.65 | 24.35 | 28.52 | |
Glycine | 5.52 | 5.99 | 6.36 | 6.96 | |
Cystine | 2.95 | 3.16 | 3.96 | 3.25 | |
Alanine | 12.65 | 14.85 | 14.65 | 13.85 | |
Valine* | 22.1 | 26.65 | 20.85 | 22.69 | |
Methionine* | 3.52 | 3.41 | 4.65 | 5.02 | |
Leucine* | 20.5 | 27.66 | 22.85 | 28.26 | |
Isoleucine* | 31.8 | 37.53 | 30.51 | 35.53 | |
Phenylalanine* | 36.8 | 46.52 | 35.65 | 37.65 | |
Tyrosine | 2.35 | 2.43 | 2.65 | 3.12 | |
Histidine* | 32.52 | 43.52 | 33.63 | 40.35 | |
Lysine* | 24.65 | 35.52 | 24.05 | 35.62 | |
Arginine* | 21.45 | 30.65 | 23.52 | 29.53 | |
Essential AA | 227.7 | 289.81 | 232.36 | 270.98 | |
Non-essential AA | 105.13 | 115.25 | 117.73 | 124.73 | |
Total amino acids | 332.83 | 405.06 | 340.09 | 395.71 | |
Essential A /Non essential A A | 2.17 | 2.51 | 1.91 | 2.17 | |