"Xanthopuccine" Natural Recordings by Native Speakers
Xanthopuccine refers to the pigments or dye that gives a yellowish or golden color the sap or other parts of a plant. This can be a chemical or biological compound that causes this color change.
A xanthoprotein is a colloidal protein that changes color in response to changes in its state, typically shrinking or swelling, or the presence of certain chemicals. It was an early term used to describe proteins that display this characteristic.