There are two types of moisture: bound moisture and added
moisture. Bound moisture is chemically or physically bound to ingredient
components and is not easily removed. Added moisture is added at the
conditioner or mixer and serves to soften feed particles and lubricate the mash as it moves through
the die.
This article can also be found at Feed Tech, volume 5, no. 5
To view the entire article, click on the link below
Moistening the MASH.pdf