Indima enkulu ye-sodium tripolyphosphate ekudleni ukuthuthukisa umbala, iphunga, nokunambitheka kokudla, kulungisa ukwakheka kokudla okunomsoco, bese unweba impilo yeshelufu yokudla. I-sodium trimer phosphate engezwa ngokuvumelana ngokuqinile nezidingo zokukhiqiza ukudla kanye nezithasiselo zokudla zikazwelonke, okungokwamukelwa okujwayelekile komzimba womuntu.