When food products are been infused with hydrogen (hydrogenated) they are no longer considered polyunsaturated because a type of fat called trans fat is created.
A trans fat is a type of fat that is formed when hydrogen is added in the presence of a catalyst to turn a liquid unsaturated fat into a solid fat.
The trans fat has been identified to cause heart disease of up to 2 to 10 fold. This is because is has the ability to raise people's low density lipoprotein which is the bad cholesterol.
Therefore, when food products are been infused with hydrogen (hydrogenated) they are no longer considered polyunsaturated because a type of fat called trans fat is created.
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