Jasmonic acid, ib tug derivative ntawm fatty acids, yog ib tug nroj tsuag hormone pom nyob rau hauv tag nrho cov siab nroj tsuag.Nws yog dav nyob rau hauv cov ntaub so ntswg thiab lub cev xws li paj, stems, nplooj, thiab cov hauv paus hniav, thiab plays lub luag hauj lwm tseem ceeb nyob rau hauv cov nroj tsuag kev loj hlob thiab kev loj hlob.Nws muaj cov teebmeem physiological xws li inhibiting cog kev loj hlob, germination, txhawb kev laus, thiab txhim kho kev tiv thaiv.