diterpene

(redirected from Diterpenes)
Also found in: Dictionary, Thesaurus, Medical.
Related to Diterpenes: Triterpenes, Sesquiterpenes

diterpene

[dī′tər‚pēn]
(organic chemistry)
C20H32 A group of terpenes that have twice as many atoms in the molecule as monoterpenes. Any derivative of diterpene.
References in periodicals archive ?
It has been observed in previous studies that the antimicrobial activity of natural extracts can be due to the presence of diterpenes (Zamilpa et al.
The use of this natural diterpene could pave the way towards potential applications to overcome the lack of effectiveness of gentamicin in MRSA strains.
Tanins Ferric chloride Green ++ Phenols Ferric chloride Bluish black - Diterpenes Copper acetate Emerald green + Amino acids Ninhydrin Violet ++ Cardiac Legal's Pink to red + Glycosides Kellar-Killiani Brown colour ring + -= Negative (absent), + = Positive (slightly present), ++ = Positive (moderately present) Table 2.
According to OKADA (2007) the diterpenoid phytoalexins are classified into four distinct types of polycyclic diterpenes based on the structure of their hydrocarbon diterpene precursors: phytocassanes A-E, A-F oryzalexins, momilactones A and B and oryzalexin S (Figure 3).
Other marine diterpene glycosides include eleutherobins and fucosides, which also exhibit notable biologic activity.
The coffee diterpene kahweol induces heme oxygenase-1 via the PI3K and p38/Nrf2 pathway to protect human dopaminergic neurons from 6-hydroxydopamine-derived oxidative stress.
But filtering has its drawbacks, including loss of the cancer-fighting diterpenes.
Animal models and cell culture studies indicate that kahweol diterpenes and cafestol (some coffee compounds) can operate as blocking agents by modulating multiple enzymes involved in carcinogenic detoxification.
Isolation and structures of euphohelins, new toxic diterpenes from Euphorbia helioscopia L.
Halitunal, an unusual diterpene aldehyde from the marine alga Halimeda tuna.