Lactose is the major sugar present in milk and the main source of energy supplied to the newborn mammalian in its mother's milk.

Interphotoreceptor retinoid-binding protein(668-687)is an amino acid residue of human retinoid-binding protein(IRBP) 668-687, which can induce uveitis.

Lyticase, produced by a submerged culture of Arthrobacter luteus, is an enzyme preparation which effectively lyses cell walls of viable yeast cells. An essential enzyme responsible for lysis of viable yeast cells in this preparation is b-1, 3-glucan laminaripentaohydrolase.