Biltong relatively mild concentration of coriander oil (1.6%). In the two strains that were not effectively killed, "Bacillus cereus" and "Enterococcus faecalis", the coriander oil reduced their growth significantly. The need for food preservation in the new colony was pressing. Building up herds of livestock took a long time, but with game in abundance in South Africa, traditional methods were called upon to preserve the meat of large African animals such as the eland in a warm climate. Iceboxes and refrigerators had not been invented yet. Biltong as it is today evolved from the dried meat carried by the wagon-travelling Voortrekkers,
Meat or sausages, or used in loose form (as in "sloppy joe" or Bolognese sauce). Some meat is cured by smoking, which is the process of flavoring, cooking, or preserving food by exposing it to the smoke from burning or smoldering plant materials, most often wood. In Europe, alder is the traditional smoking wood, but oak is more often used now, and beech to a lesser extent. In North America, hickory, mesquite, oak, pecan, alder, maple, and fruit-tree woods are commonly used for smoking. Meat can also be cured by pickling, preserving in salt or brine (see salted meat and other