Results 101 to 110 of about 1,539 (210)

The isolation of bioactive compounds from Warburgia ugandensis bark: A report of albicanyl acetate, caseamemin and β-sitosterol from Warburgia species

open access: yesInternational Journal of Secondary Metabolite
Warburgia ugandensis, which is one of the indigenous species of Ethiopia, is known for its wide range of biological activities. A series of drimane sesquiterpenoids have been isolated from the stem bark of the plant.
Christopher Suh, Zelalem Gizachew
doaj   +1 more source

Hetero-Diels–Alder reaction of halogenated quinones with a polygodial-derived azadiene

open access: yesTetrahedron Letters, 2002
The reaction between polygodial dimethylhydrazone and haloquinones under an air atmosphere is described. The terpene moiety undergoes a degradative oxidation to an 11-norsequiterpene ketone containing a quinolinequinone skeleton.
Cuéllar, Mauricio A.   +5 more
openaire   +10 more sources

Host-plant acceptance by aphids: cues initiating reproduction

open access: yes, 2011
The host-plant acceptance behaviour of aphids was examined, in two aphid species, the bird cherry-oat aphid, Rhopalosiphum padi and the pea aphid, Acyrthosiphum pisum, to elucidate the recognition factors used to assess plant suitability for ...
Nam, Ki Jung, Nam, Ki Jung
core   +1 more source

REVIEW ON POLYGONUM MINUS: PHARMACOLOGICAL PROPERTIES AND PHYTOCHEMICAL COMPOUNDS [PDF]

open access: yes, 2020
The objective of this study is to study the biodiversity of Polygonum and to review its pharmacological properties and phytochemical compositions of via electronic literature search.
Abdul Wahab, Ibtisam   +2 more
core   +1 more source

Combination Effect of Miconazole with Polygodial against Candida albicans

open access: yes, 2011
The combination effect of miconazole with polygodial against Candida albicans was investigated by an in vitro checkerboard method. Isobolograms, fractional inhibitory concentration (FIC), and fractional fungicidal concentration (FFC) indices were used ...
I. Kubo, Sang Hwa Lee, Kuniyoshi Shimizu
semanticscholar   +1 more source

Synthesis of warburganal and related compounds [PDF]

open access: yes, 1981
Imperial Users ...
Mahon, M., Mahon, M.
core  

Study of drimane sesquiterpenoids from the Persicaria genus and zigiberene from Callitropsis noorkatensis and their effect on the feeding behaviour of Myzus persicae and Bemisia tabaci [PDF]

open access: yes, 2015
Summary Whitefly is an insect pest that has systematically spread into colder latitudes for the past two decades and it poses a serious threat to crops, mainly due to the viruses for which it acts as a vector.
Prota, N.
core   +2 more sources

Drimane Sesquiterpene Aldehydes Control Candida Yeast Isolated from Candidemia in Chilean Patients. [PDF]

open access: yesInt J Mol Sci, 2022
Marín V   +10 more
europepmc   +1 more source

Drimane Sesquiterpene Alcohols with Activity against Candida Yeast Obtained by Biotransformation with Cladosporium antarcticum. [PDF]

open access: yesInt J Mol Sci, 2022
Cortez N   +10 more
europepmc   +1 more source

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