Improvements in edible fats.

摘要

The processability of a margarine or other edible spread fat blends and the properties of the resulting products are to a large extent determined by the crystallisation behaviour of the fat blend. Problems of delayed crystallisation are known in the art of margarine or other spread manufacture, in particular, it is common knowledge in margarine blend formulation that interesterification of fats quite often results in slower crystallising fat blends and often fat blends which are impractically or inconveniently slow to crystallise. We have now determined that the crystallisation of margarine fats from a supercooled melt can be accelerated by the use of a triglyceride having a trans fatty acid at the 2-position, preferably a 1,3-saturated-2-trans-unsaturated (FTF) tempering accelerator. These include, in particular the HTH TAGs where H is stearic or palmitic, and especially PEP.