Assertion: stachyose's sugar | /r/HasProperty | a ketose
Facets:
Source sentences:
text: If the aldehyde oxygen is attached to the carbon atom which is at the end of the six-membered chain, the structural arrangement is that of an aldehyde, and the sugar is of the type known as "aldoses"; whereas, if the oxygen is attached to any other carbon in the chain, the ketone arrangement, results and the sugar is a "ketose.
text: Sugars containing a ketonic group are known as ketoses.