NEW YORK — Campbell Soup Co., the world’s biggest soup maker, is looking to court a new generation of consumers with baby carrots, premium juices, and refrigerated salad dressings.

The Camden, N.J.-based company said Monday that it will buy natural foods maker Bolthouse Farms in a $1.55 billion cash deal from private equity firm Madison Dearborn Partners LLC. Campbell says Bolthouse’s line of juices and carrots will help it feed Americans’ growing appetite for fresher foods.

Campbell, which is best known for its canned soups, is looking to strengthen its presence in the refrigerated sections of supermarkets.

Chief executive Denise Morrison said the Bolthouse deal will help Campbell more aggressively court the generation known as Millennials.