[biochemistry] Glycogen can be enzymatically hydrolysed to yield glucose, maltose, and dextrins.
This is what I learned just now by reading about amylase in the Oxford Concise Colour Medical Dictionary. I already know that ptyalin, which breaks down starch, is salivary amylase. And ethanol – which I have not consumed in any drink for 9 weeks 1 day 21 hours 14 minutes – is broken down by the liver.