LONDON — First-quarter revenues and operating profit in the Americas increased for London-based Unilever as the P.F. Chang’s range of frozen Asian restaurant-quality cuisine, recently launched in the United States, received an initial positive reception, the company said April 29.

Revenues in the Americas for the quarter ended March 31 were €3,340 million ($4,417 million), which were up from €3,156 million in the previous year’s first quarter. First-quarter operating profit in the Americas of €504 million was up from €442 million.

Companywide, Unilever had first-quarter net profit of €1,055 million, which was up 31% in current rates and 29% in constant rates from €803 million in the previous year’s first quarter. Revenues in the first quarter of €10,143 million were up 6.7% in current rates and 4.4% in constant rates from €9,505 million in the previous year’s first quarter.