PREMIER Foods, the company behind major brands such as Hovis, Sharwoods and Mr Kipling, has reported improved underlying trading results.The company, which recently sold its Middleton-based Sarson's Vinegar business as part of a plan to slim-down and cut debt by selling off non-core brands.Its focus is on its 'power brands'  - Ambrosia, Batchelors, Bisto, Hovis, Loyd Grossman, Mr. Kipling, Oxo and Sharwood's.Underlying sales, excluding milling, in the six months to the end of June rose 1.1% to £757.1m and trading profit ......for the full story register now for free or login below...