He matū ka whakaurua ki tētahi mea, pērā i te kai, te rongoā me te papa rākau hei kaupare atu i ngā moroiti whakapopo, hei aukati rānei i te tauhohe kāore e hiahiatia ana, pērā i te tauhohe ōhikitanga. Mā te tāroki e tauroa ai te ora, te pai rānei o tētahi mea.
A substance that is added to products such as food, medicine and timber, to inhibit the actions of micro-organisms and undesirable chemical reactions such as oxidation. Preservatives extend the useful life of a product.
tā - causative prefix
roki (rokiroki) - preserve
Rangahautia ngā momo mate tērā pea ka hua ake i te kaha whakamahinga o ētahi momo tāroki.
Whakamahia ai te tote e ngā mātua tūpuna hei tāroki kai.
Ko te konutai pākawa ota (NaNO3) tētahi tāroki hei kaupare i te mahi whakapopo a ngā moroiti.