Although hydrogenate fats are bad and they are banned in a lot of countries.. i dont honestly think that you will find them in may oils, i think they are used more frequently in biscuits and pastry and peanut butter... it helps keep the food moist... where as oil is already liquid.! Surely you need to be looking at saturated fat, rapeseed oil is low in saturated fat and high in mono unsaturated and poly unsaturated, plus it has the benefit of not having a strong taste, unlike ground nut oil which quite often i use to add to the taste!!
If you still in doubt ask your doctor to recommend a nutritionist ! thats what they are there for!