Billnpatti
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I ran across this and thought it might be worth sharing. https://survivalblog.com/grandpappys_pemmican_recipe_a/
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Berries = Carbs :wink:zimmerstutzen said:pemmican seems almost perfect, but lack carbs the others don't.
Four years ago, Cordain reviewed the macronutrient content (protein, carbohydrates, fat) in the diets of 229 hunter-gatherer groups listed in a series of journal articles collectively known as the Ethnographic Atlas. These are some of the oldest surviving human diets. In general, hunter-gatherers tend to eat more animal protein than we do in our standard Western diet, with its reliance on agriculture and carbohydrates derived from grains and starchy plants. Lowest of all in carbohydrate, and highest in combined fat and protein, are the diets of peoples living in the Far North, where they make up for fewer plant foods with extra fish. What’s equally striking, though, says Cordain, is that these meat-and-fish diets also exhibit a natural “protein ceiling.” Protein accounts for no more than 35 to 40 percent of their total calories, which suggests to him that’s all the protein humans can comfortably handle.
This ceiling, Cordain thinks, could be imposed by the way we process protein for energy. The simplest, fastest way to make energy is to convert carbohydrates into glucose, our body’s primary fuel. But if the body is out of carbs, it can burn fat, or if necessary, break down protein. The name given to the convoluted business of making glucose from protein is gluconeogenesis. It takes place in the liver, uses a dizzying slew of enzymes, and creates nitrogen waste that has to be converted into urea and disposed of through the kidneys. On a truly traditional diet, says Draper, recalling his studies in the 1970s, Arctic people had plenty of protein but little carbohydrate, so they often relied on gluconeogenesis. Not only did they have bigger livers to handle the additional work but their urine volumes were also typically larger to get rid of the extra urea. Nonetheless, there appears to be a limit on how much protein the human liver can safely cope with: Too much overwhelms the liver’s waste-disposal system, leading to protein poisoning””nausea, diarrhea, wasting, and death.
Whatever the metabolic reason for this syndrome, says John Speth, an archaeologist at the University of Michigan’s Museum of Anthropology, plenty of evidence shows that hunters through the ages avoided protein excesses, discarding fat-depleted animals even when food was scarce. Early pioneers and trappers in North America encountered what looks like a similar affliction, sometimes referred to as rabbit starvation because rabbit meat is notoriously lean. Forced to subsist on fat-deficient meat, the men would gorge themselves, yet wither away. Protein can’t be the sole source of energy for humans, concludes Cordain. Anyone eating a meaty diet that is low in carbohydrates must have fat as well.
As for vitamin C, the source in the Eskimo diet was long a mystery. Most animals can synthesize their own vitamin C, or ascorbic acid, in their livers, but humans are among the exceptions, along with other primates and oddballs like guinea pigs and bats. If we don’t ingest enough of it, we fall apart from scurvy, a gruesome connective-tissue disease. In the United States today we can get ample supplies from orange juice, citrus fruits, and fresh vegetables. But vitamin C oxidizes with time; getting enough from a ship’s provisions was tricky for early 18th- and 19th-century voyagers to the polar regions. Scurvy””joint pain, rotting gums, leaky blood vessels, physical and mental degeneration””plagued European and U.S. expeditions even in the 20th century. However, Arctic peoples living on fresh fish and meat were free of the disease.
Impressed, the explorer Vilhjalmur Stefansson adopted an Eskimo-style diet for five years during the two Arctic expeditions he led between 1908 and 1918. “The thing to do is to find your antiscorbutics where you are,” he wrote. “Pick them up as you go.” In 1928, to convince skeptics, he and a young colleague spent a year on an Americanized version of the diet under medical supervision at Bellevue Hospital in New York City. The pair ate steaks, chops, organ meats like brain and liver, poultry, fish, and fat with gusto. “If you have some fresh meat in your diet every day and don’t overcook it,” Stefansson declared triumphantly, “there will be enough C from that source alone to prevent scurvy.”
Billnpatti said:I ran across this and thought it might be worth sharing. https://survivalblog.com/grandpappys_pemmican_recipe_a/[/quote]
Traditional pemmican is meat & fat. Adding berries can reduce its shelf-life...
Black Hand said:Billnpatti said:I ran across this and thought it might be worth sharing. https://survivalblog.com/grandpappys_pemmican_recipe_a/[/quote]
Traditional pemmican is meat & fat. Adding berries can reduce its shelf-life...
And that would be traditional for whom?
I think you will find there were a lot of different people making pemmican and certainly plenty of references to berries being used in it quite often.
Berries are extremely rich in the nutrients that the meat and fat are short on. Edible berries of some kind are found in all parts of North America and were an important source of food, but they are seasonal, so it is understandable pemmican was made without them at times.
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