Fatly acid terms Links

Tristearin is simply the chemical term for a type of fat. Fats are composed of fatty acids joined to a molecule of glycerol, so they are also called triglycerides. Tristearin, a fat found in tallow, is made of three molecules of stearic acid linked to a glycerol molecule. When it is chemically reacted with a base — like sodium carbonate, which is found in ashes — it forms sodium stearate, otherwise known as soap. 

In addition to essential fatty acids and vitamin E, dietary protein levels have been shown to play an important role in the toxicity of oxidized fats/oils. Witting et al. (1957), for example, observed an almost total lack of growth in rats fed a diet containing laboratory prepared heated com oil and 10% casein. With 20% casein in the diet, severe growth depression was still seen, but at 30% or more protein in the diet, only a mild effect was observed. While the mechanism of the protective effects of high dietary protein is not yet clear, it may be linked to an enhanced detoxification capability. Long-term feeding of thermally oxidized fats, for example, has been shown to be associated with an induction of hepatic microsomal enzymes (Andia and Street, 1975). 

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