Functions of different kinds of single L-amino acids |
|
| Species | Function |
| Alanine | Increase the synthesis of chlorophyll, regulate stomata’s opening, and develop a resistance to pathogens. |
| Arginine | Enhance root development ability, is a precursor of plant endogenous hormone polyamine synthesis, improve the ability of crops to resist salt stress. |
| Aspartic acid | Improve seed germination and protein synthesis capacity, and supply nitrogen during the stressful growth period. |
| Cysteine | Maintain cell function and provide sulfur as an antioxidant. |
| Glycine | Promote photosynthesis, which is conducive to crop growth, increase the sugar content of crops, as natural metal chelating agents. |
| Histidine | Regulates stomatal opening and provides a precursor of carbon skeleton hormone, a catalytic enzyme for cytokinin synthesis. |
| Lsoleucine and leucine | Improve the ability to resist salt stress, improve vigor and germination of pollen, as aromatic precursor substances. |
| Lysine | Enhance chlorophyll synthesis and increase drought tolerance. |
| Methionine | The precursor of the plant endogenous hormone ethylene and polyamine synthesis. |
| Phenylalanine | Promote the synthesis of lignin, precursors for anthocyanin synthesis |
| Proline | Increase plant tolerance to osmotic stress, increase plant stress resistance, and pollen vigor. |
| Serine | Participate in cell tissue differentiation and promote germination. |
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