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General Cooking (rec.food.cooking) For general food and cooking discussion. Foods of all kinds, food procurement, cooking methods and techniques, eating, etc. |
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David wrote:
> I found this site that has excellent Flax Seed if you like to cook and eat it A recent book by Udo Erasmus suggests that the ideal source of dietary fats is fresh, raw, cold-pressed flaxseed oil. Whether or not this is good advice may be indicated by the following quotes from a USDA publication. Note that it describes a reaction which involves the immune system. I don't know about you, but I prefer not to subject my immune system to unnecessary stress. Of all food animals, the pig is most similar to a human. Like humans it is by nature an omnivore, unlike cattle, goats, and sheep which are herbivores. The USDA publication _Atlas_of_Meat_Inspection_Pathology_ (USDA, 1972) is a guide for meat inspectors, not human nutrition. But here are some interesting comments on the effects of flaxseed consumption on pigs, quoting from pages 165-167: "Steatitis ('Yellow Fat' Disease) in Swine" "Definition.--Steatitus ('yellow fat' disease) in swine is a yellow pigmentation of adipose tissue associated with the use of fish products and flaxseed as feed." "Distribution and incidence.--Steatitus usually occurs near fisheries where cannery wastes are fed to swine. The disease is also found on fur ranches where the remains of mink feed containing fish products are consumed by pigs. The use of feed containing other substances possessing highly unsaturated fatty acids, such as flaxseed, will also produce the disease." "Feeding swine rations containing excessive amounts of highly unsaturated fatty acids and inadequate quantities of tocopherols causes porcine adipose tissue to contain a yellow, acid-fast pigment. The pigment consists of fat soluble and fat insoluble fractions and the latter possesses acid-fast staining characteristics. Fat cells can incorporate and stabilize unsaturated fatty acids as 'storage fat' if vitamin E, an antioxidant, is added to a ration rich in unsaturated fatty acids." "The fat of affected swine has an odor of fish that can be accentuated by heating the tissue. Swine having steatitus tend to be thin and in poor physical condition." "Macroscopic appearance.--Subcutaneous and mesenteric fat, in particular, show the alterations characteristic of this dietary disease. Affected fat is slightly opaque and firmer than normal and varies from bright yellow to yellowish brown." "Microscopic appearance.--Foreign fat globules, some of which contain an acid-fast pigment, are deposited in the interstices of the adipose tissue. This deposition appears as fine droplets or, quite frequently, as larger discrete globules in groups or islets of variable size. At time the globules have a pericapillary and periarteriole location. Adipose cell tissues themselves are usually not affected. Occasionally, foreign fat globules are seen within adipose cells and their presence is interpreted to represent a permeation into the normal storage fat rather than a disturbed metabolic process. Foci of inflammation composed of collections of macrophages, neutrophils, eosinophils, and an occasional foreign-body giant cell may be present between the adipose cells. These macrophages and giant cells contain droplets of yellow fat. This inflammatory reaction is the basis for applying the name 'steatitus' to the condition." |
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