Dried meat is any meat preserved by removing most of its moisture, which stops bacteria from growing and allows it to be stored for weeks, months, or even years without refrigeration. It’s one of the oldest food preservation methods in human history, and it remains popular today in forms ranging from beef jerky to South African biltong to Italian bresaola. The basic principle is simple: bacteria need water to survive, and by reducing the available moisture in meat below a critical threshold, you create a food that resists spoilage naturally.
How Drying Preserves Meat
Fresh meat has a water activity level above 0.95, meaning almost all of its moisture is available for bacteria, yeast, and mold to use. Dangerous bacteria like the one that causes botulism can grow at water activity levels as low as 0.93. The goal of drying is to pull that number down to 0.85 or below, which is the FDA’s threshold for a shelf-stable food that doesn’t need the same safety regulations as canned or refrigerated products.
This can be achieved through several methods: air drying, smoking, salting, or using a mechanical dehydrator. Salt draws moisture out of meat through osmosis, while heat and airflow evaporate water from the surface. Most dried meats combine at least two of these approaches. The result is a product that’s dramatically lighter, more concentrated in nutrients, and resistant to the microbial growth that would spoil fresh meat within days.
Common Types of Dried Meat
The world has dozens of dried meat traditions, but the most widely known fall into a few categories.
Jerky
Jerky starts as thinly sliced, heavily seasoned, very lean meat. It’s typically hot-smoked or oven-dried, making it a fully cooked product. Commercial jerky is often sweetened alongside its peppery, savory seasonings. Textures range from relatively soft to very tough and chewy, and the finished strips are eaten as-is without further slicing or preparation.
Biltong
Biltong, a South African staple, takes a different approach. Thick slabs of meat, often about an inch thick, are lightly cured with salt and vinegar, then coated heavily in black pepper and coriander. The slabs hang to air dry over several days with little or no external heat. After drying, they’re stored whole and sliced to order. You can choose how dry you want it: “wet” biltong looks almost rare inside, while fully dried biltong is firmer throughout. It’s cut with the grain before drying, then sliced across the grain when you eat it.
Pemmican
Pemmican is a concentrated survival food developed by North American Indigenous peoples, likely the Cree, whose word “pemikkan” roughly translates to “manufactured grease.” Traditional pemmican was made from lean buffalo or venison cut into thin slices, dried in the sun, pounded into a fine powder, and mixed with melted fat. The mixture was packed into hand-sewn rawhide bags weighing about 90 pounds, sealed with tallow, and could last five years or longer under reasonable storage conditions. It served as an emergency ration, travel food, and trade commodity long before European contact, and its origins may stretch back 4,000 to 6,000 years.
Cured and Air-Dried Meats
European charcuterie traditions like bresaola, coppa, and various dried sausages rely on a combination of salt curing, spicing, and slow air drying in controlled environments. These products often use nitrates or nitrites as part of the curing process, which distinguishes them from simple dried meats that rely on dehydration alone.
Nutritional Profile
Drying concentrates everything in meat except water. A study analyzing dried beef powder found it contained about 76 grams of protein per 100 grams, roughly three to four times the protein density of raw beef. Fat content came in around 8 grams per 100 grams, and the total energy was approximately 389 calories per 100 grams. These numbers are significantly higher than fresh meat simply because removing water makes every other nutrient more concentrated by weight.
This makes dried meat an efficient source of protein, which is exactly why it’s been a go-to food for travelers, soldiers, and outdoor enthusiasts for centuries. A small amount packs a nutritional punch that would require a much larger portion of fresh meat to match. The trade-off is that sodium is also concentrated, and many commercial products add significant amounts of salt during the curing or seasoning process.
The Role of Nitrates and Nitrites
Many cured dried meats contain added nitrites, which serve three main purposes: preventing the growth of dangerous bacteria (particularly the one responsible for botulism), giving cured meat its characteristic pink-red color, and preventing the fat from going rancid. Only a tiny amount is needed for color, usually around 2 to 14 parts per million, but higher levels up to 150 ppm are used to ensure microbial safety.
Nitrites have a complicated health profile. The International Agency for Research on Cancer classifies processed meat as carcinogenic, with nitrites playing a role. When nitrites react with certain compounds in meat, they can form nitrosamines, which are linked to colorectal cancer. High nitrite intake can also interfere with thyroid function and iodine absorption. For context, the WHO and FAO set a safe daily intake of 0.07 mg of nitrite per kilogram of body weight. Not all dried meats contain added nitrites. Simple jerky and biltong, for example, typically rely on salt, vinegar, and thorough drying rather than chemical curing agents.
Making Dried Meat Safely
If you’re making dried meat at home, temperature control is critical. The USDA recommends heating meat to 160°F (and poultry to 165°F) before dehydrating it. This initial heating step uses wet heat to kill bacteria like E. coli and Salmonella that might survive the lower temperatures of the drying process alone. After that, a food dehydrator should maintain at least 130°F to 140°F throughout drying to continue removing moisture safely.
This sequence matters because bacteria can become more heat-resistant once meat dries out. Killing them while the meat is still moist is more effective than trying to destroy them after the surface has already hardened. Skipping the pre-heating step is one of the most common safety mistakes in homemade jerky.
Storage and Shelf Life
Properly dried meat stored in airtight packaging at room temperature generally lasts one to two months, though this varies widely depending on the specific product, how much moisture remains, and how much salt or other preservatives were used. Refrigeration extends shelf life considerably. Vacuum-sealed commercial jerky can last much longer thanks to controlled processing and packaging that limits oxygen exposure.
Traditional pemmican, with its high fat content and tallow seal, represents the extreme end of shelf stability, historically lasting years. Modern dried meats rarely approach that longevity because they tend to retain more moisture for a softer texture, which trades some shelf life for a more appealing chew. Signs that dried meat has gone bad include off smells, visible mold, or a slimy texture on the surface.