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Cooking with Bones
Posted By Mark Sisson On April 15, 2010 @ 10:23 am In Diet,Health,Nutrition,Recipes,Supplements | 256 Comments
Marrow  is great and all, but what about the bones that aren’t blessed enough to bear the sacred gel in easily extractable amounts? We can’t forget about those. Chicken backs, beef knuckles, ham hocks, chicken feet, lamb necks, hooves and any other animal-derived matrices of calcium phosphate and collagen fibers are all worth saving, cooking, and perhaps even eating. Hell, I bet elk antlers would make a fine, mineral-rich soup. The best part is that bones, feet, hooves, heads, and connective tissues are all pretty inexpensive, sometimes even free, parts of the animal. They also represent an entirely different realm of nutritional content than basic muscle meat, being complex organs playing multiple roles in the body.
You see, bone is living tissue, rather than inert structure. It is rigid, true, but it’s actually an organ, in fact, placing it squarely in the nutritional all-star camp of liver, heart, brain, kidney, and sweetbreads . Bone is also slightly elastic, owing to the collagen, which combines with the calcium phosphate to lend “elastic rigidity.” (If it weren’t for the collagen, bones would simply be hard with no give, and thus brittle.) Bone is full of minerals, mostly calcium and phosphorus (seeing as how the “bone” part of bone is calcium phosphate, this is no surprise), along with sodium, magnesium, and other trace minerals. If the connective tissue – and most animal scraps and bones you use will have tendons, ligaments, and cartilage – is still attached, bones also include stuff like chondroitin and glucosamine, popular joint supplements that are the raw materials for bone and cartilage formation.
Let’s do a quick rundown of all the other good stuff found in bones and, therefore, well-made bone stock:
The best way to extract all that boney goodness from the bones is to cook with them, and that means making stock (or broth; from here on out, I’ll just say stock, but the two are pretty similar, with broth technically being derived from meat and bones, and stock from just bones). I mentioned a basic chicken stock recipe  last year, but we can do better than that. Besides, different bones require different considerations. A few tips:
Divining the nutritional details of traditional foods like bone stock and bone marrow is difficult, if not impossible altogether. We know stock contains gelatin, calcium, phosphate, magnesium, glucosamine, chondroitin, and other trace minerals, but what are the numbers? We’re a numbers generation; we expect to have accurate info at the tips of our fingers at all times, but that’s unrealistic. Bone composition isn’t set in stone. What the animal ate, how it lived, where it lived, the mineral content of whatever it ate, the nutrient density of whatever it ate – these all factor into the composition and content of the bones, joints, and cartilage. The nutrition facts of commercial bone meal  marketed as a calcium supplement gives us a general idea of the mineral content (900 mg calcium, 360 mg phosphorus, 9 mg magnesium per serving) of bone stock. That stuff comes from powdered “cattle raised in the United States,” which undoubtedly means corn-fed, nutritionally-deficient cows. We don’t know exactly how an animal’s diet affects its bone composition, but we know that it matters. Diet plays a huge role in everything, and I’d bet that grass-fed (again, as always) results in better, more nutritious stock. Regardless of the numbers, bone stock is good for you, damn good, and being somewhat in the dark about the precise nutrient count shouldn’t dissuade you from making and using your own bone stock on a regular basis.
Even if you don’t (or are unable to) seek out bones specifically for cooking, you’ll end up with plenty as leftovers. In fact, I’d suggest opting for whole animals or bone-in segments; the meat tastes better, it stays fresher longer, and you get some cooking bones when it’s all done. When you roast a chicken, you’ve got an entire skeleton to work with. When you cook a bone-in leg of lamb on the barbecue, you’ve got a big femur left over. What does a skinless breast offer after it’s been eaten, or an endless parade of steaks? I love a good steak as much as the next man, but a Primal eater shouldn’t live on muscle meat alone. I highly recommend giving homemade stock a try. If you eat animals, you should have access to their bones, and you should never throw those bones away.
Have I missed anything? Anyone have any good stock-making tips?
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 reduce joint pain in athletes: http://www.bsu.edu/news/article/0,1370,-1019-632,00.html
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 small study: http://www.ncbi.nlm.nih.gov/pubmed/18208600
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 downplayed the importance of large amounts of supplementary calcium: http://www.marksdailyapple.com/calcium-for-women/
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 basic chicken stock recipe: http://www.marksdailyapple.com/homemade-chicken-stock/
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 Native Americans used to do this to buffalo bones: http://ryan-koch.blogspot.com/2010/01/small-game-in-primitive-living-cooking.html
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