Fermentation as a controlled food processing tool is used to change the flavour of certain products (e.g. from grape juice to wine), preserving raw materials (e.g. cabbage made into sauerkraut and kimchi) and to create new foods (e.g. monosodium glutamate - MSG).
Zwa u vhila zwi vha zwi tshi khou kona u langa zwiliwa zwi thusa kha u shandukisa muthetshelo wa zwibveledzwa (sa tsumbo ubva kha juice ya ndirivhe uya kha veini) i vha i tshi khou ita zwithu zwiswa (sa tsumbo khavhisi iya kona u itwa sauerkraut na kimchi) na u kona u sika zwiliwa zwisa (sa tsumbo monosodium glutamate - MSG).