Blood sausage similar ingredients, is also eaten in Bosnia, Croatia, Serbia, and Slovenia during winter time, usually with sauerkraut and cooked potatoes. In Romania, the traditional "sângerete" (from "sânge", "blood" in Romanian) is made from shoulder butt pork meat, pork blood and a filler such as pre-boiled rice seasoned with pepper, garlic and basil. It has many regional variants, but the most common are the "sângerete" from Transylvania. Similarly, in Czech cuisine, "jelito" is made from second-rate pork, pig's blood and peeled barley; the stuffing served by itself, unformed, is called "prejt". In Denmark, "blodpølse" is made from pigs's blood and suet,
Trans fat the United States. In the early 20th century, soybeans began to be imported into the United States as a source of protein; soybean oil was a by-product. What to do with that oil became an issue. At the same time, there was not enough butterfat available for consumers. The method of hydrogenating fat and turning a liquid fat into a solid one had been discovered, and now the ingredients (soybeans) and the "need" (shortage of butter) were there. Later, the means for storage, the refrigerator, was a factor in trans fat development. The fat industry found that hydrogenated fats provided