Department of agriculture agricultural research service. Erypoegin k, an isoflavone isolated from the stem bark of erythrina poeppigiana, has potent apoptosisinducing effect on human leukemia hl60 cells. Induction of enantioselective apoptosis in human leukemia. Effect of pollarding frequency on biomass of erythrina poeppigiana. Pdf decomposition of erythrina poeppigiana leaves in 3.
Field experiments were carried out in turrialba, costa rica, to. Classification of agroforestry af systems is necessary in order to provide a framework for evaluating systems and developing action plans for their improvement. The use of pollarded erythrina poeppigiana as shade tree in coffee. Prenylated isoflavanones from the stem bark of erythrina. All erythrina species contain greater or lesser amounts of toxic alkaloids these can be found in all parts of the plant but are usually most. Psychotria poeppigiana, fruit of the hotlips plant. Photosynthetic rate in mature leaves p was modeled as a rectangular hyperbolic function of photon flux density q and ambient co 2 concentration c a, relative photosynthetic capacity. Pdf predictive models were developed for cordia alliodora branch and theobroma cacao branch or. Erypoegin k has a chiral carbon at the c2 position of its furan ring and naturally occurs as a racemic mixture of s and risomers. For more multimedia, look at erythrina corallodendron on wikimedia commons. Timing the application of organic residues and therefore the release of nutrients during decomposition may be critical to the growing crop in tropical alleycropping agroforestry systems.
In this study, two species were selected, erythrina poeppigiana and erythrina steyermarkii. They are trees, with the larger species growing up to 30 m 98 ft in height. The use of pollarded erythrina poeppigiana as shade tree in coffee plantations is apparently an old practice in costa rica. Effect of pollarding frequency on biomass of erythrina. Erythrina corallodendron in the germplasm resources information network grin, u. An idealized model was developed to describe leaf co 2 exchange in the leguminous tree erythrina poeppigiana walpers o. A simulation study relating the effect of the spatial arrangement of trees on the photon exposure above an associated crop pei was carried out for an alley cropping system of the leguminous treeerythrina poeppigiana walpers o. Fine root and nodule dynamics of erythrina poeppigiana in. Production and turnover of n2 fixing nodules in relation to foliage. Psychotria poeppigiana, hot lips, labios ardientes. It grows on coasts and along rivers in tropical asia.
Erythrina poeppigiana in the germplasm resources information network grin, u. Shoot pruning intensities compared were complete pruning i. During the course of our continuous search for novel antimalarial compounds derived from the indonesian erythrina plants, the methanol extract of the stem bark of erythrina poeppigiana demonstrated significant antimalarial activity against plasmodium falciparum parasites, in vitro. Fine root and nodule production and turnover in pruned 2 and 8yrold erythrina poeppigiana walp. A study on the dynamics of n2 fixing nodules in five sources of the neotropical agroforestry tree species erythrina poeppigiana walpers o. In the present study, we semisynthesized rserypoegin k from genistein and separated the optical. An arylbenzofuran and four isoflavonoids from the roots of. Download hires image download to mspowerpoint cite this. Nair international council for research in agroforestry, p. We would like to show you a description here but the site wont allow us. Psychotria poeppigiana is a plant species in the family rubiaceae. The stem bark of erythrina poeppigiana from the leguminosae family has been used for relieving fever, infections, and inflammation. Media in category erythrinathe following 5 files are in this category, out of 5 total.
The gray bark has conical thorns, primarily on the branches and young twigs. Leaf co2 exchange of erythrina poeppigiana leguminosae. Nitrogen fixing tree research reports, special issue 1993. Isoflavonoids from the roots of erythrina poeppigiana. Planting seedlings in tree islands versus plantations as a. An arylbenzofuran, erypoegin f and four isoflavonoids, erypoegins gj, together with six known compounds were isolated from the roots of erythrina poeppigiana, and their structures were elucidated. Classification of agroforestry systems pdf free download.
Erypoegin f is a rare 2arylbenzofuran possessing a formyl group from a natural source, and erypoegin i is the first naturally occurring isoflavonoid with a. A survey of homopteran species auchenorrhyncha from coffee. Potent apoptosisinducing activity of erypoegin k, an isoflavone isolated from erythrina poeppigiana, against human leukemia hl60 cells. Files are available under licenses specified on their description page. The record derives from ildis data supplied on 20100714 which reports it as an accepted name record 12331. Pdf constituents of erythrina a potential source of secondary. Modelling agroforestry systems of cacao theobroma cacao with. Cook is an accepted name this name is the accepted name of a species in the genus erythrina family leguminosae. Erythrina poeppigiana leguminosae is widely distributed in central and south america and has been used as a shade tree and an ornamental plant. Antibacterial properties of a new isoflavonoid from. All structured data from the file and property namespaces is available under the creative commons cc0 license. Read the species description of erythrina poeppigiana or use the link above to download a pdf version.
Under the climatic conditions of san jose, costa rica, leaf fall, flowering, and shoot emergence of erythrina poeppigiana o. Evaluation of their binding affinity for the estrogen receptor. Erythrinapoeppigianaleguminosae is a higher plant that has been used as a folk for the treatment of infection, fever, and. The presence of lectins in the extracts was verified by hemagglutinating effect over suspensions of human erythrocytes. Poro can be propagated from seedlings but requires weeding during the first year of establishment. The leaves provide very good leaf litter for soil improvement and the tree has been used for shade in cacao plantations. Bioassayguided fractionation of the ethyl acetate extract resulted in the isolation of three known. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region the rasped stem bark is rubbed on a certain type of skin rash, known locally as poispoisi by the wayana of surinam. The chemical structure was determined by extensive spectroscopic studies, and then its antibacterial activity against methicillinresistant staphylococcus aureus mrsa was investigated. To screen six isoflavones isolated from erythrina poeppigiana leguminosae for their antibacterial activity against methicillin. Seed extracts were prepared in phosphatebuffered saline. It contains state trees of merida and trujillo in venezuela are bucare ceibo e. The tree is not native to this country but was introduced between late 19th and 20th century and was rapidly dispersed in the coffee and cacao areas.
A new isoflavonoid, together with four known isoflavonoids, was isolated from the roots of erythrina poeppigiana. Pdf in vivo and in vitro estrogenic activity of extracts from erythrina. Antibacterial properties of a new isoflavonoid from erythrina. A downloadable pdf document of a book in prepublication awaiting illustration. Russo r and budowski g 1986 effect of pollarding frequency on biomass of erythrina poeppigiana as a coffee shade tree. These results were combined with estimates of the nitrogen supplied by prunings from different tree densities to. Contribution of erythrina protein banks and rejected. During 1 yr, trees passed through two cycles of leaf shedding and shoot emergence. Article views are the countercompliant sum of full text article downloads since november 2008 both pdf and html across all institutions and individuals. Pdf erythrina fusca is the most widespread species in the genus erythrina l. Lectins of erythrina poeppigiana and erythrina steyermarkii leguminosae. This plant contains erythrinan alkaloids as a major compound. Lectins of erythrina poeppigiana and erythrina steyermarkii. Pdf modelling agroforestry systems of cacao theobroma cacao.
Media in category erythrina poeppigiana the following 97 files are in this category, out of 97 total. Erythrina fusca is a species of flowering tree in the legume family, fabaceae. It is known by many common names, including purple coraltree, gallito, bois immortelle, bucayo, and the more ambiguous bucare and coral bean. It contains state trees of merida and trujillo in venezuela are bucare. Cook trees were estimated under humid tropical conditions by applying the compartment flow model cfm to fine root and nodule biomass and necromass measured in sequentially taken core samples. Erythrina poeppigiana is a fastgrowing tree, reaching 30 to 35 m in height and.
Pdf pthe genus erythrina is a potential source of chemical. It contains about species, which are distributed in tropical and subtropical regions worldwide. Erythrina poeppigiana is not demanding of soils, growing very well in heavy soils poor in nutrients and adapting to acid soils. Cook were markedly asynchronous among trees of the same population, suggesting strong endogenous control of the trees development.
Elevation, year planted, initial vegetation, and site use history for the 12 study sites. The new isoflavonoid was identified as 3,9dihyroxy 10. Coral tree is a large, nitrogenfixing tree up to 35 m in height and used for living fences, shade, mulch, ruminant forage, and alley cropping. This page was last edited on 24 august 2011, at 19. Different antibacterial actions of isoflavones isolated. An arylbenzofuran, erypoegin f and four isoflavonoids, erypoegins gj, together with six known compounds were isolated from the roots of erythrina poeppigiana, and their structures were elucidated on the basis of spectroscopic evidence. Pdf isoquinoline alkaloids from erythrinapoeppigiana. Pdf lectins of erythrina poeppigiana and erythrina. Fully defoliated stem cuttings should then be planted 30 cm deep orwa et al. Phytochemical and biological investigations of erythrina variegata pdf. The presence of dihydroerythroidines in the milk of goats. Phytochemical studies on this plant showed the presence of erythrinan alkaloids possessing curarelike action barton et al. Erythrina poeppigiana is a fastgrowing tree, reaching 30 to 35 m in height and more than 1 m d.
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