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.
The systematic International Union of Pure and Applied Chemistry name for memantine is 1-amino-3,5-dimethyladamantane hydrochloride; its molecular formula is C12H21N â HCl and molecular weight is 215.76. Figure 1 depicts the chemical structure of memantine hydrochloride.