What Manufacturers Really Mean By Natural And Artificial Flavors Like many shoppers, I find food labels confusing. In most circumstances, the implications of âartificialâ and naturalâ are pretty clear.
Hydroxylapatite, also called hydroxyapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca 5 (PO 4) 3 (OH), but is usually written Ca 10 (PO 4) 6 (OH) 2 to denote that the crystal unit cell comprises two entities. Hydroxylapatite is the hydroxyl endmember of the complex apatite group.
A mineral related to apatite which is the main inorganic constituent of tooth enamel and bone, although it is rare in rocks. Example sentences. 1  The most familiar apatite derivative is hydroxyapatite, the bulk mineral constituent of bone. Bone consists of collagen banded fibrils sprinkled with tiny crystals of the mineral hydroxyapatite, which is basically calcium phosphate. 2  A less popular âfiller âfor wrinkles is made from calcium hydroxyapatite, a substance used to replace missing bone.â.