The term “ash” on a cat food label refers to the inorganic residue remaining after the food is completely incinerated. This residue primarily comprises minerals such as calcium, phosphorus, magnesium, and iron, which are essential nutrients for feline health. It is not literally the burnt remains one might find in a fireplace. Instead, it represents the total mineral content of the food.
The presence of minerals, as indicated by the ash content, is vital for various physiological functions in cats, including bone development, nerve function, and enzyme activity. Historically, the measurement of ash has been a standard analytical procedure to ensure that pet foods meet minimum mineral requirements. Adequate mineral intake supports overall health and well-being, contributing to a balanced diet.