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The Boston Globe

Business

Diet Pepsi formula getting a sweetener tweak

NEW YORK — Diet Pepsi is tweaking its formula to stay sweet a little longer.

PepsiCo Inc. is testing new artificial sweeteners that let the soda keep its taste for a longer period of time. The problem is that the current sweetener used in the soda — aspartame — loses its potency faster than high fructose corn syrup, the sweetener in most regular sodas.

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