Nyanja zam'madzi lero zimakhala malo amodzi mwazomwe amagwiritsira ntchito "mankhwala". Ndipo ndi otchuka kwambiri ndi iwo omwe akuda nkhawa kwambiri za kukhalabe ndi thupi lawo m'njira yabwino, kuphatikizapo nyenyezi ndi othamanga. Inde, komanso odwala zakudya zogwiritsira ntchito zakudya zamasamba amadziwa kuti phindu lopangidwa ndi kabichi wa m'nyanja ndi anthu. Malingaliro awo ndi 300 magalamu a mankhwala pa sabata. Ndalamayi ndi yokwanira kudzaza thupi ndi ayodini, yomwe imapindula makamaka mu kelp laminaria. Chomera ichi, makamaka, chimatchedwa nyanja kale . Kotero iye amatchulidwa, mwinamwake kwa kunja komwe kufanana ndi masamba enieni.
Mapindu a nyanja kale kuti thupi silingagwiritsidwe ntchito, chifukwa mumapangidwe ake, kuphatikizapo ayodini, pali zinthu zambiri zamtengo wapatali. Mavitamini onse, alginates ndi zakudya zamagetsi. Iwo amathandizidwa bwino ndi dongosolo lakumagazi, chifukwa ali mu mawonekedwe osavuta.
Kodi nyanja yapindulitsa kale?
Algae, monga masamba a dzina lomwelo, akhoza kukonzekera m'njira zambiri. Kawirikawiri zimatchedwa mafuta, viniga, soya msuzi, mchere komanso shuga. Choncho, kuzifutsa nyanja sizingathandize aliyense. Mwachitsanzo, sikuvomerezeka kuti ziwachitire nkhanza kwa anthu omwe ali ndi matenda opatsirana komanso olemera kwambiri . Ndipo kawirikawiri, akatswiri amalangiza kusankha mankhwalawa m'sitolo makamaka mosamala. Kuchuluka kwabwino kwa munthu wakale kale, kunasambira panyumba pawokha. Ndipotu, mbuye aliyense amadziwa bwino momwe angapangidwire ndi zowonjezera ziti.
Akatswiri a zamaphunziro amadziŵa kuti ubwino wa nyanja kale kwa akazi ndi waukulu kwambiri. Chomerachi chimachepetsanso kukalamba kwa thupi lonse, kumatulutsa makwinya komanso kumathandiza kuteteza khungu.