Diurnal rhythm in citric acid content preceded the onset of nighttime malic acid accumulation during metabolic changes from C3 to CAM in salt-stressed plants of Mesembryanthemum crystallinum

acide citrique acido citrico citrate citrates citratos citric acid crassulaceae estres feuille hojas leaves malate malates malatos mesembryanthemum metabolism metabolisme metabolismo sales salts salzstress sel stress