sodium tripolyphosphate

[ trahy-pol-ee-fos-feyt ]

noun

, Chemistry.

1. a white powder, Na 5 P 3 O 1 0 , used as a water softener, sequestering agent, and food additive.

Word History and Origins

Origin of sodium tripolyphosphate¹

First recorded in 1940–45; tri- + poly- + phosphate

Example Sentences

Frozen shrimp may contain preservatives like sodium tripolyphosphate and sodium bisulfite, which people with sulfite or phosphate sensitivities may want to avoid.

From Seattle Times

For shrimp without packaging, stick to those with shells to avoid sodium tripolyphosphate.

From Washington Post

Wet scallops are treated with sodium tripolyphosphate, a chemical that causes the scallops to expel water when cooked and can prevent a proper sear.

From Washington Post

“Wet” scallops are chemically treated with a solution of water and sodium tripolyphosphate so that they stay moist longer.

From Washington Post

Whether farmed or wild caught, the cheaper the shrimp, the more likely it is to have been treated with chemicals, particularly sodium tripolyphosphate and sodium bisulfite.

From New York Times