Biltong governing the importation of meat-based products from non-EU countries laid down by HM Customs and Excise and its successor HM Revenue and Customs, thus it is made in the UK. In the United States, biltong is relatively rare as beef jerky has been traditionally the more popular dried meat snack. Within the last five years, biltong has begun a small emergence within the United States, particularly from South African immigrants who have brought their local culture and foods with them. This has been most common in affluent areas of major cities where the local population can afford to experience a
Cured fish However, the production of carcinogenic nitrosamines can be potently inhibited by the use of the antioxidants Vitamin C and the alpha-tocopherol form of Vitamin E during curing. A 2007 study by Columbia University suggests a link between eating cured meats and chronic obstructive pulmonary disease. Nitrites were posited as a possible cause. The use of either compound is carefully regulated. For example, the FDA Code of Federal Regulations states that sodium nitrite may be safely used: "As a color fixative in smoked cured tunafish products so that the level of sodium nitrite does not exceed 10 parts per million (0.001