All red stamps with cochineal are subject to oxidization from dampness, sulphur fumes, etc.
There is no corrosion, oxidization or other form of deterioration.
Where does this oxidization, or burning up of worn-out cells, take place?
The luminescence, therefore, is controlled by the respiratory organs and the work produced is an oxidization.
These ferments set up an oxidization process which splits up the complex organic compounds which still exist in the leaf cells.
This last phenomenon is very likely connected with a greater consumption of hmoglobin, the substance being used up by oxidization.
Straightway, oxidization works upon the product: the indigo is reformed, insoluble and blue.
After this the skins are dried in a mild heat that causes the oxidization of the oil.
oxidation ox·i·da·tion (ŏk'sĭ-dā'shən)
The combination of a substance with oxygen.
A reaction in which the atoms in an element lose electrons and the valence of the element is correspondingly increased.