Wessanen, the Dutch health foods firm, has announced a deal to buy British gluten-free specialist Mrs Crimble’s, taking the group’s total number of acquisitions since December to four. Within the last eight months, Wessanen has also announced the acquisition of French tea and coffee firm IneoBio, the Dutch tea brand Piramide, and non-dairy drinks firm Abafoods. Established since 1979, Mrs Crimble’s is the UK’s brand leader in the gluten-free market, producing macaroons …