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.

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

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

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

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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.

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