An advert for Heinz baked beans has been banned for a second time after comparing the nutritional value of the product to a protein shake.

A tin of Heinz kidney soup dating back at least 46 years has been donated to a foodbank which was also given a 35-year-old tin of sweetcorn.

Kraft Heinz has made a $143bn (€134.5bn) offer for Unilever in what would be the largest-ever takeover in the food or beverage industry, opening a campaign to create a consumer-goods giant with household names from Dove soap to Heinz ketchup.

A Heinz advert teaching viewers how to use tin cans to drum out a song has been banned for encouraging behaviour that risks health and safety.

Heinz is set to buy Kraft in a deal that will gather some of the best-known grocery brands within one of the biggest food firms in the world.