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PepsiCo Inc., which makes Frito-Lay products, announced in 2010 that it would cut sodium in key brands by one-fourth in five years. Spokesman Christopher Wyse said Monday that the Purchase, N.Y.-based company was looking for alternatives after a plan to use smaller salt crystals didn’t work. The company does offer “lightly salted” chips that have half the sodium of the regular ones.

The Campbell Soup Co. announced in 2009 that it was lowering salt in half its soups, including its famous condensed tomato soup. But two years later, the Camden, N.J.-based company said it was bringing back some higher-sodium soups out of concern about the taste.

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Associated Press food industry writer Candice Choi and AP writers Stephanie Nano and Jake Pearson contributed to this report.

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