lactose
lak tohs
- n a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk
cow's milk contains about 4.7% lactose
- Most adults in the world can't produce the enzyme lactase, and that leaves them unable to digest the milk sugar lactose (a condition you've no doubt heard of: lactose intolerance).
- Why can virtually all infants and many adults digest lactose, while other adults cannot? One theory is that the ability to produce lactase, and thus to digest lactose, is the .
- Some were filled with inert lactose or powdered chalk.