Polyuronide is a polymeric substance which consists of uronic acid units that have glycosidic linkages which are commonly combined with monosaccharides.
Sources Polyuronide widely occurs in soil and plants (such as gums and pectic substances).
Studies There are many scientific studies about the presence of polyuronide in avocados and tomatoes. There is also a study about its occurrence in barrel cacti.
Examples Glucoronic acid Galactoronic acid
References
External links The Free Dictionary: polyuronides