Also found in: Dictionary, Encyclopedia.

terpenoids (terˑ·p·noidz),

n.pl derivatives of the terpenes group comprise a functional group like a ketone, aldehyde, or an alcohol in addition to the basic, unsaturated hydrocarbon skeleton.
References in periodicals archive ?
DigiPath Labs will test a variety of Green Life Production strains for moisture content, potency, terpenoids, foreign matter, microbials, mycotoxins, heavy metals, and pesticide residue.
In some cases, they implicated both phenolics and terpenoids in producing these responses, again suggesting a possible Nrf2 effect.
Antimicrobial phytochemicals that can be extracted from plants include compounds such as phenols, polyphenols, terpenoids and flavonoids.
chordulifera terpenoids (1-10) to control bacterial growth, biofilm formation, QS process, and elastase activity of P.
Basic qualitative screening for common beans has shown that alkaloids, anthraquinone, catechitannins, flavonoids, tannins, glucosides, polyphenols, saponins, steroids and terpenoids are present [8].
Plants are rich in a vast diversity of secondary metabolites, such as tannins, terpenoids, alkaloids and flavonoids, which have been found in vitro to have antimicrobial properties [5,6].
Antioxidants segment includes saponins in legumes, glucosinolates in cruciferous vegetables, lignans in flaxseed, terpenoids from citrus, barley, soy, berries and other fruit and vegetables and tannins found in a variety of plants, such as blackberries, coffee, tea, chocolate and red wine.
rigidus presented in Table 1 revealed the presence of alkaloids, tannins and phenolic compounds, steroids, saponins, lipids, fats and fixed oils and terpenoids in MCE; steroids, terpenoids and lipids, fats and fixed oils in HF; terpenoids in CF; tannins and phenolic compounds in EAF and alkaloids, tannins, saponins and phenolic compounds in MF.
The extracts were first reconstituted in the respective solvents used for their extraction and then tested by standard phytochemical methods (18) for presence of alkaloids, flavonoids, tannins, saponins, glycosides, protein, carbohydrate, terpenoids, resins, fats and oil, acidity, steroids and reducing sugar.
The objective of this paper was to test terpenoids known for their repellency or toxicity to insects, such as Eugenol 99% (Across Organics, Mexico), 1,8-Cineol 99% and Menthol 99% (Sigma Aldrich, Mexico) as an alternative to prevent crawlers from establishing on non-infested cladodes under shade house conditions.
current blockade and independence on changes in passive electrophysiological parameters shown by estragole were found for other terpenes and terpenoids like thymol (29), linalool (21), eugenol (19,20), carvacrol (17), and menthol (30).