Dean
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- Mar 14, 2018
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"...I've heard that linoleic over 15% results in DOS...."
Ahem. I'd like to correct the record, please. What you have heard -- from me at least -- is that some soapers follow a RULE OF THUMB to keep the combined linoleic + linolenic at 15% or less.
It's MORE LIKELY that rancidity may occur at higher amounts of linoleic + linolenic, but no one is saying that rancidity WILL happen. There are so many other variables that affect whether rancidity does occur -- other additives and fats in the recipe, soaping temperatures, storage conditions, the use of antioxidants and chelators, etc.
I stand corrected!