carminealumbased
Carminealumbased refers to a class of pigments derived from carminic acid, a natural colorant extracted from cochineal insects, and then precipitated with an aluminum salt, typically aluminum sulfate. This process creates a vibrant red color with good lightfastness and stability. The resulting pigment is often referred to as carmine lake or aluminum lake of carmine.
The carminic acid molecule is responsible for the red hue. When it reacts with aluminum ions, it
Historically, carmine has been used as a dye and pigment for centuries. The aluminum-based form provides enhanced