CHEBI:26873 - terpenoid

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ChEBI Name terpenoid
ChEBI ID CHEBI:26873
Definition Any isoprenoid that is a natural product or related compound formally derived from isoprene units. Terpenoids may contain oxygen in various functional groups. This class is subdivided according to the number of carbon atoms in the parent terpene. The skeleton of terpenoids may differ from strict additivity of isoprene units by the loss or shift of a fragment, generally a methyl group.
Stars This entity has been manually annotated by the ChEBI Team.
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The terpenoids, also known as isoprenoids, are a class of naturally occurring organic chemicals derived from the 5-carbon compound isoprene and its derivatives called terpenes, diterpenes, etc. While sometimes used interchangeably with "terpenes", terpenoids contain additional functional groups, usually containing oxygen. When combined with the hydrocarbon terpenes, terpenoids comprise about 80,000 compounds. They are the largest class of plant secondary metabolites, representing about 60% of known natural products. Many terpenoids have substantial pharmacological bioactivity and are therefore of interest to medicinal chemists. Plant terpenoids are used for their aromatic qualities and play a role in traditional herbal remedies. Terpenoids contribute to the scent of eucalyptus, the flavors of cinnamon, cloves, and ginger, the yellow color in sunflowers, and the red color in tomatoes. Well-known terpenoids include citral, menthol, camphor, salvinorin A in the plant Salvia divinorum, ginkgolide and bilobalide found in Ginkgo biloba and the cannabinoids found in cannabis. The provitamin beta carotene is a terpene derivative called a carotenoid. The steroids and sterols in animals are biologically produced from terpenoid precursors. Sometimes terpenoids are added to proteins, e.g., to enhance their attachment to the cell membrane; this is known as isoprenylation. Terpenoids play a role in plant defense as prophylaxis against pathogens and attractants for the predators of herbivores.
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ChEBI Ontology
Outgoing terpenoid (CHEBI:26873) has parent hydride terpene (CHEBI:35186)
terpenoid (CHEBI:26873) is a isoprenoid (CHEBI:24913)
Incoming meroterpenoid (CHEBI:64419) has functional parent terpenoid (CHEBI:26873)
(R)-(+)-verbenone (CHEBI:9955) is a terpenoid (CHEBI:26873)
3''-hydroxy-geranylhydroquinone (CHEBI:61158) is a terpenoid (CHEBI:26873)
8-oxocitronellyl enol (CHEBI:144930) is a terpenoid (CHEBI:26873)
deacetylipecoside aglycone(1+) (CHEBI:229554) is a terpenoid (CHEBI:26873)
discodiene (CHEBI:193096) is a terpenoid (CHEBI:26873)
diterpenoid (CHEBI:23849) is a terpenoid (CHEBI:26873)
geranylhydroquinone (CHEBI:24233) is a terpenoid (CHEBI:26873)
ilicicolinate B (CHEBI:146152) is a terpenoid (CHEBI:26873)
ipecoside aglycone (CHEBI:195262) is a terpenoid (CHEBI:26873)
isoalliodorol (CHEBI:232559) is a terpenoid (CHEBI:26873)
luteodiene A(1−) (CHEBI:232533) is a terpenoid (CHEBI:26873)
monoterpenoid (CHEBI:25409) is a terpenoid (CHEBI:26873)
polyterpenoid (CHEBI:26207) is a terpenoid (CHEBI:26873)
sesquarterpenoid (CHEBI:51961) is a terpenoid (CHEBI:26873)
sesquiterpenoid (CHEBI:26658) is a terpenoid (CHEBI:26873)
sesterterpenoid (CHEBI:26660) is a terpenoid (CHEBI:26873)
terpene alkaloid (CHEBI:26871) is a terpenoid (CHEBI:26873)
terpene glycoside (CHEBI:61777) is a terpenoid (CHEBI:26873)
terpene ketone (CHEBI:26872) is a terpenoid (CHEBI:26873)
terpene lactone (CHEBI:37668) is a terpenoid (CHEBI:26873)
terpenoid phytoalexin (CHEBI:180906) is a terpenoid (CHEBI:26873)
terpenyl phosphate (CHEBI:26875) is a terpenoid (CHEBI:26873)
tetraterpenoid (CHEBI:26935) is a terpenoid (CHEBI:26873)
trisporic acid (CHEBI:91017) is a terpenoid (CHEBI:26873)
triterpenoid (CHEBI:36615) is a terpenoid (CHEBI:26873)
IUPAC Name
terpenoids
Synonyms Sources
Terpenoid ChEBI
terpénoïde IUPAC
terpenoides IUPAC
Manual Xref Database
Terpenoid Wikipedia
View more database links
Last Modified
14 October 2021