Go Hoff wrote:
>>>I have been told that McDonalds fry oil is the same the world over and
>>>contains 30% chicken fat.
>>
>>Your source was misinformed. In the US, McDonald's uses 100% veggie oil.
>>In fact, when they switched over from a cottonseed oil/tallow blend to
>>100% veggie oil in the early 90s, they worked extensively with chemists
>>at IFF to make sure the unique flavor of McDonald's fries was not altered.
>>
>>John
> 
> 
> Well, I have a container of 600 litres McDonalds WVO and it is very thick
> gravy up to about 15¡centigrade and under 0¡centigrade its pretty much
> solid.

Chances are it had been hydrogenated at some point. Unsaturated fatty 
acids are more suseptable to oxidative rancidity and rancid oil makes 
for nasty fries. Hydrogenating the double bonds in the veggie oil 
extends the usage life in a food service environment.

John




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