Heinz

Some Little Freddie pouches come branded as "Good for Brains" and Heinz claims some of its fruit products are "as nutritionally good as homemade".

"The other day, a woman wanted me to sign a Heinz Beans t-shirt," he says.

Once a rare find in specialty stores or Asian markets, Kewpie mayonnaise has now taken its rightful place on the shelves of every major supermarket chain, right beside Heinz.

Prof Heinz Wässle, who was head of the neurological department of the Max Planck Institute for Brain Research in Berlin at the time, said there was pressure to act extremely quickly.

The King has granted royal warrants to 386 companies that previously held warrants from Queen Elizabeth II, including John Lewis, Heinz and Nestle.