The equipment is very expensive. The packaging of the items themselves can have a higher cost also. Many items don't really taste noticeably different after a t

The equipment is very expensive. The packaging of the items themselves can have a higher cost also. Many items don't really taste noticeably different after a temperature-based pasteurization so for those, the increased cost isn't worth it. Pasteurization is necessary for most packaged food products to be licensed for sale. The big apps for this right now seem to be juice products. A heat-pasteurized juice is noticeably inferior to an HPP one. You would typically not pasteurize an unpackaged product. You don't have to pasteurize a bell pepper.