<unk>  (from Greek γλεῦκος "wine, must" and οὖρον "urine") is a uronic acid that was first isolated from urine (hence the name). It is found in many gums such as gum arabic (c. 18%), xanthan, and kombucha tea and is important for the metabolism of microorganisms, plants and animals.
Glucuronic acid
Hyaluronic acid
Cerebroside
Glabrene
Lactose
Methyl cellulose
Iminosugar
Glycogen