Colloidal system/colloidal dispersion/colloidal suspension
A colloidal system is an intimate mixture of two substances, one of which, called the dispersed phase (or colloid), is uniformly distributed in a finely divided state through the second substance, called the dispersion medium.
Metabolic
Relating to or deriving from the metabolism of a living organism.
Enzymatic
Relating to or produced by an enzyme. A non-enzymatic obviously doesn't use enzymes.
Volatile
A substance easily evaporated at normal temperatures
Oxidation
The process of combining chemically with oxygen.