Assertion: polysaccharide's group | /r/HasProperty | oxidized to carboxylic acid
Facets:
value: by adding the fehling reagents
type: MANNER
Source sentences:
text: By adding the Fehling reagents (Fehling (I) solution and Fehling (II) solution), the aldehyde group is oxidized to a carboxylic acid, while the Cu2+ tartrate complex is reduced to Cu+ and forming a brick red precipitate (Cu 2 O).