What does glucoside mean?
Glucoside is a specialist term in chemistry and biochemistry for a glycoside whose attached sugar is glucose. A glycoside more generally consists of a sugar component joined to a non-sugar molecule, called an aglycone; in a glucoside, that sugar component is specifically glucose. Glucosides occur naturally in plants and include many bitter, protective, or pharmacologically active substances. The term is especially common in plant chemistry, where the word may appear in compound names ending in “-glucoside,” and laboratory discussions may emphasize the compound’s hydrolysis into glucose and its aglycone. It is not ordinarily used in general conversation. Recognition of the word can be useful when reading botanical, medicinal, or biochemical literature because “glucoside” identifies both the compound’s molecular family and the identity of its sugar residue. The related term glycoside is broader, while glucose alone names the sugar rather than the whole compound.
nounA glycoside in which the sugar component is glucose. Such compounds occur naturally, especially in plants, and may be bitter, defensive, or pharmacologically active.
- A glycoside in which the sugar component is glucose.
"Amygdalin is a cyanogenic glucoside found in almonds."
"Amygdalin is a cyanogenic glucoside found in almonds."
"Hydrolysis of the glucoside released glucose and the aglycone."
The plural is used when referring to multiple distinct glucoside compounds.
"The researchers screened several glucosides for antioxidant activity."
When almond tissue is crushed, amygdalin—a cyanogenic glucoside—can break down and release hydrogen cyanide.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does glucoside come from?
Glucoside was formed in 19th-century English by combining glucose with the chemical suffix “-ide.” The word belongs to a family of terms ultimately derived from the Greek glukus, meaning “sweet,” as reflected in glucose and the broader glyco- group of related words. Its chemical relatives include glycosides and glycosylation, which share this root and the concept of a sugar component.
Related word forms
How glucoside is actually used
This is a specialized term used in chemistry, biochemistry, pharmacognosy, and plant science rather than general conversation. In plant chemistry, it commonly appears in the names of naturally occurring compounds and may indicate that the compound releases glucose when hydrolyzed.
Easily confused with glucoside
A glycoside is the general class of compounds containing a sugar joined to a non-sugar component, whereas a glucoside specifically contains glucose as its sugar component.
Glucose is the simple sugar itself, while a glucoside is a compound formed by attaching glucose to another molecule.