GABA

GABA si mtundu wa mbewu kapena dera koma njira: tsamba latsopano limakonzedwa mumlengalenga wa nayitrogeni, popanda mpweya, ndipo limasonkhanitsa mwachilengedwe γ-aminobutyric acid (GABA). Imagwiritsidwa ntchito makamaka pa ma oolong aku Taiwan, ndipo imapereka kapu yosalala kwambiri, yochepa kukhwinya, ndi mawonekedwe okoma, a zipatso. Njira iyi inayamba ku Japan m’zaka za m’ma 1980 ndipo tsopano ndi gawo lake lokha.