Results 81 to 90 of about 11,915 (246)

A phytochemical and pharmacological study of ten Commiphora species indigenous to South Africa [PDF]

open access: yes, 2008
Commiphora species (from which myrrh is obtained) has been a source of several novel and bio-active natural compounds. Traditionally, Commiphora (Burseraceae) is used in southern Africa for the treatment of ulcers, fevers, and as a remedy for snake and ...
Paraskeva, Maria Penelope
core  

An Oxidized Squalene Derivative from <em>Protium subserratum</em> Engl. (Engl.) Growing in Peru

open access: yesMolecules, 2012
<em>Protium</em> <em>subserratum</em> (Burseraceae) is a neotropical tree species that is comprised of several habitat-specific ecotypes having distinct defense chemical profiles.
John Lokvam, Paul V. A. Fine
doaj   +1 more source

Triterpenos da resina de Protium heptaphyllum March (B0urseraceae): caracterização em misturas binárias

open access: yesQuímica Nova, 2000
Eight triterpenes, maniladiol, breine, ursa-9(11):12-dien-3beta-ol, oleana-9(11):12-dien-3beta-ol, 3alpha-hydroxy-tirucalla-8,24-dien-21-oic acid, 3alpha-hydroxy-tirucalla-7,24-dien-21-oic, alpha and beta amyrines were isolated as binary mixtures ...
Maia Robinson Magalhães   +4 more
doaj  

Eudesmanolides and other terpenoids from Trattinickia rhoifolia [PDF]

open access: yesAvances en Química, 2010
Three eudesmanolides, 8ß,9a-dihydroxyeudesma-4(15),7(11)-dien-12,8-olide (1), 8a,9a-epoxyeudesma-4(15), 7(11)-dien-12,8-olide (2), and 8,8'-bis[eudesma-4 (15),7(11) -dien-12,8ß-olide] (3), together with seventeen known compounds were isolated from the ...
Carmelo Rosquete   +5 more
doaj  

Floral structure of Kirkia (Kirkiaceae) and its position in Sapindales [PDF]

open access: yes, 2017
BACKGROUND AND AIMS: The monogeneric Kirkiaceae (Sapindales) were formerly placed as Kirkioideae in Simaroubaceae. However, recent molecular phylogenetic studies indicate that they are not in Simaroubaceae and they appear to be sister to the clade of ...
Bachelier, J B., Endress, P K.
core  

Meilleure connaissance des propriétés des bois malgaches pour une valorisation durable des essences autochtones [PDF]

open access: yes, 2014
Hotspot en matière de biodiversité, avec un taux d'endémisme de plus de 80 % pour sa flore, Madagascar possède plus de 4000 espèces ligneuses.
Guibal, Daniel   +3 more
core  

Entomophytophagy ('Sequential Predatory, then Phytophagous Behaviour') in an Indian Braconid 'Parasitoid' Wasp (Hymenoptera): Specialized Larval Morphology, Biology and Description of a New Species.

open access: yesPLoS ONE, 2016
The vast majority of braconid wasps are parasitoids of other insects. Although a few cases of pure phytophagy (primary gall production and seed predation) are known, no previous entomophytophagous species (i.e.
A P Ranjith   +5 more
doaj   +1 more source

Floristic survey of epixylic Bryophytes of an area remnant of the Atlantic forest (Timbaúba - PE, Brazil) : 1., Hepaticopsida (except Lejeuneaceae) and Bryopsida [PDF]

open access: yes, 1996
A survey of the epixylic bryoflora of a remaining Atlantic forest (seasonal coastal deciduous forest), Engenho Água Azul, in the municipality of Timbaúba ( Lat 7° 35S; Long.
Germano, Shirley Rangel   +1 more
core  

Triterpenes from the resin of Boswellia neglecta

open access: yesBulletin of the Chemical Society of Ethiopia, 2002
The resin of Boswellia neglecta yielded four triterpenes canaric acid, α-amyrin, α-amyrone and epi-α-amyrin. Canaric acid and epi-α-amyrin are isolated here for the first time from the family Burseraceae.
Aman Dekebo   +3 more
doaj  

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