[3] However, it is normal for meat to lose 1–2 percent of its weight due to this liquid loss, while anything more is considered excessive.
As such, under the Federal Food, Drug, and Cosmetic Act, suppliers using them are required to maintain a "Letter of Guaranty" on file.
[7][8] The pads help regulate drip loss, and their size is in part determined by the meat water holding capacity.
[9] Readily biodegradable meat drip pads are available, though in limited use due to their higher costs.
[11] Active packaging antibacterial indicator absorbent pads that inhibit bacterial growth and visually signal meat deterioration are being explored through the use of nanofibers and silver nanoparticles.