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flow cytometric analysis of the cell cycle in different coconut palm (cocos nucifera l.) tissues cultured in vitro.we conducted a study of the cell cycle of coconut palm tissues cultured in vitro in order to regulate regeneration. coconut palm is a plant for which it is difficult to monitor the ability of the meristematic cells to actively divide. cell nuclei were isolated from various types of coconut palm tissues with and without in vitro culture. after the nuclei were stained with propidium iodide, relative fluorescence intensity was estimated by flow cytometry. characterization of the cell cycle reinforc ...200312827436
the effective and environmental half-life of 137cs at coral islands at the former us nuclear test site.the united states (us) conducted nuclear weapons testing from 1946 to 1958 at bikini and enewetak atolls in the northern marshall islands. based on previous detailed dose assessments for bikini, enewetak, rongelap, and utirik atolls over a period of 28 years, cesium-137 (137cs) at bikini atoll contributes about 85-89% of the total estimated dose through the terrestrial food chain as a result of uptake of 137cs by food crops. the estimated integral 30, 50, and 70-year doses were based on the radi ...200312832159
[evaluation of the efficacity of coconut (cocos nucifera), palm nut (eleais guineensis) and gobi (carapa procera) lotions and creams in indivirual protection against simulium damnosum s.l. bites in côte d'ivoire].with the interruption of larva treatments done by ocp as part of onchocerciasis control in west africa, simulium came back in abundance in forest regions and savannah fertile valleys. in addition to the severe discomfort, nuisance by simulium is in certain cases incompatible with land use. since ground treatment of larval breading sites using insecticides is not always possible or efficient, it is therefore a necessity to develop other methods among which individual protection against simulium b ...200312836527
comparison of the effect of two excipients (karite nut butter and vaseline) on the efficacy of cocos nucifera, elaeis guineensis and carapa procera oil-based repellents formulations against mosquitoes biting in ivory coast.repellents in the form of dermal pomades are recommended as a protection against awakening and bedtime mosquito bites. if synthesis repellents are available, they are nevertheless not common and the prices remain out of reach for the communities concerned. the people therefore have to resort more and more to traditional concoctions, some of which have been shown to be effective. after demonstrating that oil-based formulations (lotions, creams, pomades) of cocos nucifera (coconut), elaeis guineen ...200312847928
effects of processing on protein nutritive quality of coconut cocos nucifera products.pared, comminuted and blanched coconut meat was freeze-dried at 25 degrees c for 24 hours and pulverized. whole coconut meal was solvent extracted with n-hexane to yield a defatted meal while full-fat coconut protein concentrate (ffc-pc) containing 27.60% protein was prepared by alkali extraction of undefatted meal followed by isoelectric precipitation. defatted coconut meal had a significantly (p < or = 0.05) lower crude fat but higher protein content than whole coconut meal. similarly, ffc-pc ...200312859010
glycaemic index of different coconut (cocos nucifera)-flour products in normal and diabetic subjects.the glycaemic index (gi) of commonly consumed bakery products supplemented with increasing levels of coconut (cocos nucifera) flour was determined in ten normal and ten diabetic subjects. using a randomized crossover design, the control and test foods were fed in random order on separate occasions after an overnight fast. blood samples were collected through finger prick before and after feeding and were analysed for glucose levels using a clinical chemistry analyser. the significantly low-gi (< ...200313129460
the effect of a catechin-rich extract of cocos nucifera on lymphocytes proliferation.catechins are polyphenols with antioxidant activity. the fruit cocos nucifera (palmae) has a fi ber husk rich in catechins and the local population of northeast brazil uses it as a medicine against various diseases. an anti-bacterial and anti-viral activity has been already observed using this substance. plant extracts, from other sources, rich in catechins are inhibitory to tumour cells, suppressing their proliferation. the aim of the present work was to verify if catechins isolated from cocos ...200314595586
analysis of genetic diversity and population structure within florida coconut (cocos nucifera l.) germplasm using microsatellite dna, with special emphasis on the fiji dwarf cultivar.using 15 simple sequence repeat (ssr) microsatellite dna loci, we analyzed genetic variation within cocos nucifera germplasm collections at two locations in south florida, representing eight cultivars. the loci were also used in a parentage analysis of progeny of the 'fiji dwarf' variety at both locations. a total of 67 alleles were detected, with eight the highest number at any one locus. these loci identified 83 of the 110 individual palms. gene diversity of the 15 loci ranged from 0.778 to 0. ...200312596002
aeroallergens in clinical practice of allergy in india. an overview.allergic diseases such as bronchial asthma, allergic rhinitis and atopic dermatitis are dramatically increasing all over the world including developing countries like india. today, more than 30 % of the population is known to suffer from one or other allergic ailment. major causative agents implicated are pollen grains, fungal spores, dust mites, insect debris, animal epithelia, etc. several aerobiological studies have been conducted in different parts of the country to ascertain aerial concentr ...200314677902
evolution of parasitism in insect-transmitted plant nematodes.nematode-insect associations have evolved many times in the phylum nematoda, but these lineages involve plant parasitism only in the secernentean orders aphelenchida and tylenchida. in the aphelenchida (aphelenchoidoidea), bursaphelenchus xylophilus (pine wood nematode), b. cocophilus (red ring or coconut palm nematode) (parasitaphelenchidae), and the many potential host-specific species of schistonchus (fig nematodes) (aphelenchoididae) nematode-insect interactions probably evolved independentl ...200319265987
changes in carbohydrate metabolism in coconut palms infected with the lethal yellowing phytoplasma.abstract lethal yellowing (ly), a disease caused by a phytoplasma, is the most devastating disease affecting coconut (cocos nucifera) in mexico. thousands of coconut palm trees have died on the yucatan peninsula while plantations in central america and on the pacific coast of mexico are severely threatened. polymerase chain reaction assays enable identification of incubating palm trees (stage 0+, phytoplasma detected but palm asymptomatic). with the development of ly, palm trees exhibit various ...200318943864
in situ pcr detection of phytoplasma dna in embryos from coconut palms with lethal yellowing disease.summary dna of the lethal yellowing (ly) phytoplasma was detected in 13 of 72 embryos from fruits of four diseased atlantic tall coconut palms by polymerase chain reaction (pcr) assays employing phytoplasma universal rrna primer pair p1/p7, nested ly group-specific rrna primer pair 503f/ly16sr or ly phytoplasma-specific nonribosomal primer pair lyf1/r1. phytoplasma distribution in sectioned tissues from six pcr positive embryos was determined by in situ pcr and digoxigenin-11-deoxy-utp (dig) lab ...200320569368
distribution patterns of coconut mite, aceria guerreronis, and its predator neoseiulus aff. paspalivorus in coconut palms.distribution patterns and numerical variability of the coconut mite aceria guerreronis keifer (acari: eriophyidae) and its predator neoseiulus aff. paspalivorus deleon (phytoseiidae) on the nuts of 3- to 7-month-old bunches of coconut palms were studied at two sites in sri lanka. at the two sites, coconut mites were present on 88 and 75% of the nuts but no more than three-quarters of those nuts showed damage symptoms. n. aff. paspalivorus was found more on mature nuts than on immature nuts. spat ...200314756402
utilization of various agricultural wastes for activated carbon preparation and application for the removal of dyes and metal ions from aqueous solutions.activated carbons were prepared from the agricultural solid wastes, silk cotton hull, coconut tree sawdust, sago waste, maize cob and banana pith and used to eliminate heavy metals and dyes from aqueous solution. adsorption of all dyes and metal ions required a very short time and gave quantitative removal. experimental results show all carbons were effective for the removal of pollutants from water. since all agricultural solid wastes used in this investigation are freely, abundantly and locall ...200312733586
analysis of some cytokinins in coconut (cocos nucifera l.) water by micellar electrokinetic capillary chromatography after solid-phase extraction.micellar electrokinetic capillary chromatography (mecc) was developed for the separation of cytokinins including trans-zeatin, trans-zeatin-o-glucoside, dihydrozeatin, dihydrozeatin-o-glucoside, meta-topolin riboside, n6-isopentenyladenine and n6-benzylaminopurine. under the optimum conditions, i.e. a combination of 10 mm phosphate and 10 mm borate as the running buffer containing 50 mm sodium dodecyl sulphate at ph 10.4, the separation of seven cytokinin standards was accomplished within 11 min ...200415453426
hydrophobic metabolites of 2,4-dichlorophenoxyacetic acid (2,4-d) in cultured coconut tissue.cultures of inflorescence and plumular tissues of coconut palm (cocos nucifera l.) were maintained in the presence of the auxin, [14c]2,4-dichlorophenoxyacetic acid (2,4-d), so that its metabolic fate could be studied. thin layer chromatography of methanol extracts of the plumular tissue showed that four classes of metabolites, as well as the unchanged acid, were recovered in the extract. in inflorescence tissue, only the unchanged acid and the most polar class of metabolites (metabolite i) were ...200415474562
herbal mixtures in the traditional medicine of eastern cuba.herbal mixtures in the traditional medicine of eastern cuba. traditional herbal mixtures in eastern cuba are investigated through interviews with 130 knowledgeable people and traditional healers of the provinces of santiago de cuba and guantánamo. one hundred seventy plant species and other products are used in 199 formulas, galones being the more complex. cocos nucifera l. (arecaceae), bidens pilosa l. (asteraceae), cissus sicyoides l. (vitaceae), erythroxylum havanense jacq. (erythroxylaceae) ...200415013195
leishmanicidal activity of polyphenolic-rich extract from husk fiber of cocos nucifera linn. (palmae).the available therapy for leishmaniasis, which affects 2 million people per annum, still causes serious side effects. the polyphenolic-rich extract from the husk fiber of cocos nucifera linn. (palmae) presents antibacterial and antiviral activities, also inhibiting lymphocyte proliferation, as shown by our group in previous works. in the present study, the in vitro leishmanicidal effects of c. nucifera on leishmania amazonensis were evaluated. the minimal inhibitory concentration of the polyphen ...200415059625
antinociceptive and free radical scavenging activities of cocos nucifera l. (palmae) husk fiber aqueous extract.in the current study, the analgesic and free radical scavenging properties of an aqueous extract from the husk fiber of cocos nucifera l. (palmae) were demonstrated by the use of in vivo and in vitro models. the orally administered cocos nucifera aqueous extract (200 or 400 mg/kg) inhibited the acetic acid-induced writhing response in mice. tail flick and hot plate assays demonstrated that treatment of animals with this plant extract at 200 mg/kg induced attenuation in the response to a heat sti ...200415138011
the occurrence and allergising potential of airborne pollen in west bengal, india.a continuous 2-year volumetric aerobiological survey was conducted in berhampore town, a centrally located and representative part of west bengal, india. the aim of the study was to assess the allergising potential of airborne pollen grains of west bengal. a total of 31 pollen types were identified of which poaceae (grasses) pollen showed maximum frequency, followed by cyperaceae, cassia sp., acacia auriculiformis, etc. the seasonal periodicities of the pollen types and their relationship to met ...200415236497
genotoxicity induced by saponified coconut oil surfactant in prokaryote systems.surfactants are amphiphilic substances with special properties and chemical structures that allow a reduction in interfacial tension, which permits an increase in molecule solubilization. the critical micelle concentration (cmc) is an important characteristic of surfactants that determines their aggregate state, which is generally related to its functional mechanism. in this work the genotoxic potential of saponified coconut oil (sco), a surfactant obtained from cocos nucifera, was analyzed usin ...200415548754
cr(vi) removal from synthetic wastewater using coconut shell charcoal and commercial activated carbon modified with oxidizing agents and/or chitosan.in this study, the technical feasibility of coconut shell charcoal (csc) and commercial activated carbon (cac) for cr(vi) removal is investigated in batch studies using synthetic electroplating wastewater. both granular adsorbents are made up of coconut shell (cocos nucifera l.), an agricultural waste from local coconut industries. surface modifications of csc and cac with chitosan and/or oxidizing agents, such as sulfuric acid and nitric acid, respectively, are also conducted to improve removal ...200414637353
11s and 7s globulins of coconut (cocos nucifera l.): purification and characterization.total globulins extracted with 0.4 m nacl in buffer from coconut endosperm separated into two peaks on gel filtration: peak i corresponding to 11s globulin or cocosin and peak ii to 7s globulin with native molecular weights of 326 000 and 156 000, respectively. the percent composition of total globulins was estimated to be 11s, 86% and 7s, 14%. on sds-page, cocosin resolved into two closely migrating bands at approximately 34 000 (acidic polypeptide) and another set of 2 bands at 24 000 (basic p ...200515740067
the control of hypertension by use of coconut water and mauby: two tropical food drinks.in this study, the authors investigated the effect of regular consumption of two tropical food drinks, coconut (cocos nucifera) water and mauby (colubrina arborescens), on the control of hypertension. twenty-eight hypertensive subjects were assigned to four equal groups and their systolic and diastolic blood pressures recorded for two weeks before and then for another two weeks while receiving one of four interventions. one group (the control) received bottled drinking water, the second group re ...200515892382
profiling c6-c3 and c6-c1 phenolic metabolites in cocos nucifera.this paper reports the detection and identification of phenolic metabolites (c6-c3 and c6-c1 compounds) in cocos nucifera. an hplc/uv system was used to analyze the soluble and wall-associated phenolics in mesocarp and leaf tissues of c. nucifera. alkaline hydrolysis of the cell wall material of the mesocarpic and leaf tissues yielded 4-hydroxybenzoic acid as the major phenolic compound. other phenolic acids identified were ferulic acid, 4-coumaric acid, 4-hydroxybenzaldehyde and vanillic acid. ...200515900879
experimental investigation of various vegetable fibers as sorbent materials for oil spills.oil spills are a global concern due to their environmental and economical impact. various commercial systems have been developed to control these spills, including the use of fibers as sorbents. this research investigates the use of various vegetable fibers, namely mixed leaves residues, mixed sawdust, sisal (agave sisalana), coir fiber (cocos nucifera), sponge-gourd (luffa cylindrica) and silk-floss as sorbent materials of crude oil. sorption tests with crude oil were conducted in deionized and ...200515946707
antibacterial properties of some plants used in mexican traditional medicine for the treatment of gastrointestinal disorders.antibacterial properties of aqueous and methanolic extracts of 26 medicinal plants used in mexico to treat gastrointestinal disorders were tested against eight different species of enteropathogens: two escherichia coli species; two shigella sonnei species; two shigella flexneri species; and two salmonella sp. species. the results showed that all crude extracts exhibited antibacterial activity, at least against one of the microorganisms tested, at concentrations of 8 mg/ml or lower. the extracts ...200516005589
the oryctes virus: its detection, identification, and implementation in biological control of the coconut palm rhinoceros beetle, oryctes rhinoceros (coleoptera: scarabaeidae).in view of the increasing and devastating damage by rhinoceros beetle (oryctes rhinoceros) to coconut palms in the middle of last century, many efforts were made to find an efficient natural control factor against this pest, which could not be controlled by pesticides. the basic procedures of these monitoring programmes are outlined together with the final detection of a virus disease in oil palm estates in malaysia in 1963. in extensive laboratory studies, the virus was isolated and identified ...200516039308
identification of kinetin and kinetin riboside in coconut (cocos nucifera l.) water using a combined approach of liquid chromatography-tandem mass spectrometry, high performance liquid chromatography and capillary electrophoresis.kinetin (free base and riboside), which was assumed by many scientists to be a synthetic cytokinin plant growth hormone, has been detected for the first time in the endosperm liquid of fresh young coconut fruits ("coconut water"). to facilitate the study, we developed a sensitive liquid chromatography-tandem mass spectrometry (lc-ms/ms) method for the identification and quantification of kinetin and kinetin riboside in purified coconut water extract sample. following a solid-phase extraction of ...200516216563
the invasive coconut mite aceria guerreronis (acari: eriophyidae): origin and invasion sources inferred from mitochondrial (16s) and nuclear (its) sequences.over the past 30 years the coconut mite aceria guerreronis keifer has emerged as one of the most important pests of coconut and has recently spread to most coconut production areas worldwide. the mite has not been recorded in the indo-pacific region, the area of origin of coconut, suggesting that it has infested coconut only recently. to investigate the geographical origin, ancestral host associations, and colonization history of the mite, dna sequence data from two mitochondrial and one nuclear ...200516336700
nutrient content of four edible wild plants from west africa.non-cereal plant foods in the western sahel of africa contribute significantly to the diets of local residents, especially during periods of grain shortages. in this paper, we analyze four such plant foods including diyan kwakwa (nut of coconut palm, cocos nucifera l.), muricin giginya (young shoot of borassus aethiopum), tsamiya biri (fruit of the tree, tamarindus indica), and yari (a mixture of lichens, mainly rimelia reticulate) that grows on ebony trees (diospyros mespiliformis). they were a ...200516395630
chromoblastomycosis.a 70-year-old male agriculturist from a rural area presented with a history of a painless verrucous lesion over the medial aspect of the left leg for 1 year following abrasion by a branch of a coconut tree. koh preparation of the skin biopsy showed evidence of fungal elements. cladophilalospora sp. was isolated in culture. the case was diagnosed as chromoblastomycosis. as there was no response to itraconazole, complete surgical resection of the lesion was done. at follow-up after 1 year there wa ...200515679674
coconut fats.in many areas of sri lanka the coconut tree and its products have for centuries been an integral part of life, and it has come to be called the "tree of life". however, in the last few decades, the relationship between coconut fats and health has been the subject of much debate and misinformation. coconut fats account for 80% of the fat intake among sri lankans. around 92% of these fats are saturated fats. this has lead to the belief that coconut fats are 'bad for health', particularly in relati ...200617180807
occupational marks in a coconut tree climber. 200616880584
liquid phase adsorption of crystal violet onto activated carbons derived from male flowers of coconut tree.adsorption of crystal violet, a basic dye onto phosphoric and sulphuric acid activated carbons (paac and saac), prepared from male flowers coconut tree has been investigated. equilibrium data were successfully applied to study the kinetics and mechanism of adsorption of dye onto both the carbons. the kinetics of adsorption was found to be pseudo second order with regard to intraparticle diffusion. the pseudo second order is further supported by the elovich model, which in turn intensifies the fa ...200616675107
adsorption of dissolved reactive red dye from aqueous phase onto activated carbon prepared from agricultural waste.the adsorption of reactive red dye (rr) onto coconut tree flower carbon (cfc) and jute fibre carbon (jfc) from aqueous solution was investigated. adsorption studies were carried out at different initial dye concentrations, initial solution ph and adsorbent doses. the kinetic studies were also conducted; the adsorption of reactive red onto cfc and jfc followed pseudosecond-order rate equation. the effective diffusion coefficient was evaluated to establish the film diffusion mechanism. quantitativ ...200616182523
variants of coconut cadang-cadang viroid isolated from an african oil palm (elaies guineensis jacq.) in malaysia.variants of coconut cadang-cadang viroid have been identified in a plantation oil palm growing in malaysia. three size classes are described, comprising 297, 293, and 270 nt. compared with the 296-nt form of coconut cadang-cadang viroid (cccvd), all variants substituted c31 --> u in the pathogenicity domain and a175 --> c in the right-hand terminus. other mutations and deletions accounted for the different sizes. these are the first sequences reported for variants of coconut cadang-cadang viroid ...200616470341
the potential of cost-effective coconut husk for the removal of toxic metal ions for environmental protection.coconut (cocos nucifera) husk, an agricultural waste, has been thoroughly investigated for the removal of toxic cd(ii), cr(iii) and hg(ii) ions from aqueous media. the parameters like nature and composition of electrolyte, concentration of toxic ions, dosage of coconut husk, and equilibration time between the two phases were optimized for their maximum accumulation onto the solid surface. the effect of common ions on the uptake of metal ions has been monitored under optimal conditions. the varia ...200616713064
determination of cytokinins in coconut (cocos nucifera l.) water using capillary zone electrophoresis-tandem mass spectrometry.the applicability of cze in combination with ms and ms/ms methods for the simultaneous separation and determination of 12 cytokinins was investigated for the first time. cytokinins were first completely separated by cze within less than 20 min using a volatile buffer and then detected directly by ms or ms/ms. satisfactory separation of the 12 cytokinin standards was achieved using a 25 mm ammonium formate/formic acid buffer (ph 3.4) and 3% acn v/v with a separation voltage of 25 kv. on the basis ...200616736454
a putative acyl-coa-binding protein is a major phloem sap protein in rice (oryza sativa l.).the n-terminal amino-acid sequence of a major rice phloem-sap protein, named rpp10, was determined. rpp10 is encoded by a single gene in the rice genome. its complete amino-acid sequence, predicted from the corresponding rice full-length cdna, showed high similarity to plant acyl-coa-binding proteins (acbps). western blot analysis using anti-acbp antiserum revealed that putative acbp is abundant in the phloem sap of rice plants, and is also present in sieve-tube exudates of winter squash (cucurb ...200616804052
natural experiments indicate that geomagnetic variations cause spatial and temporal variations in coconut palm asymmetry. 200616957133
analysis of cytokinin nucleotides in coconut (cocos nucifera l.) water using capillary zone electrophoresis-tandem mass spectrometry after solid-phase extraction.a method based on solid-phase extraction (spe) and capillary zone electrophoresis-tandem mass spectrometry (cze-ms/ms) is described for the separation and determination of six cytokinin nucleotides in coconut water. the best cze separation for the six cytokinin nucleotide standards was achieved using a 25 mm ammonium formate/formic acid buffer (ph 3.8) and 2% (v/v) methanol with an applied gradient separation voltage (25 kv for 32 min, and then a linear gradient to 30 kv in 5 min, finally 30 kv ...200616965778
ticks (acari: ixodidae) associated with wildlife and vegetation of haller park along the kenyan coastline.this artcile describes the results obtained from a tick survey conducted in haller park along the kenyan coastline. the survey aimed at evaluating tick-host associations, assessing tick population density, and providing baseline information for planning future tick control and management in the park. ticks (2,968) were collected by handpicking from eight species of wildlife and by dragging in 14 selected sites within the park. a considerable proportion of ticks were also collected from leaves, s ...200617017210
ethnomedicines used in trinidad and tobago for urinary problems and diabetes mellitus.this paper is based on ethnobotanical interviews conducted from 1996-2000 in trinidad and tobago with thirty male and female respondents.200617040567
[evaluation of hyalospila ptychis (dyar) (lepidoptera: phycitidae) damage in coconut palm].the aim of this study was to evaluate the losses provoked by the moth hyalospila ptychis (dyar) on green-dwarf coconut trees at una, state of bahia, brazil. inflorescences of 100 trees were inspected monthly, from april 1997 to march 1998, in a 15 ha orchard. the number of coconuts per inflorescence, fruits damaged by h. ptychis, and fruit losses due to other causes, were recorded. the number of nuts per inflorescence followed a seasonal variation. the average losses caused by the pest were arou ...200617061801
elevated blood selenium levels in the brazilian amazon.contaminated fish poses a difficult challenge throughout the world, on the one hand, fish is a very nutritious food source, while on the other hand it accumulates many toxic substances, including mercury (hg). as part of our efforts in the brazilian amazon to maximize nutritional input from fish consumption, a dietary mainstay, and minimize toxic risk, we have been studying the role of selenium (se), an essential element, that may influence the distribution of hg in the body and influence hg neu ...200616289298
qtl analysis of fruit components in the progeny of a rennell island tall coconut (cocos nucifera l.) individual.we investigated the genetic factors controlling fruit components in coconut by performing qtl analyses for fruit component weights and ratios in a segregating progeny of a rennell island tall genotype. the underlying linkage map of this population was already established in a previous study, as well as qtl analyses for fruit production, which were used to complement our results. the addition of 53 new markers (mainly ssrs) led to minor amendments in the map. a total of 52 putative qtls were iden ...200616307230
[feeding habits of the squirrel sciurus variegatoides (rodentia: sciuridae) in the nicoya peninsula, costa rica].food items consumed by the squirrel sciurus variegatoides atrirufus were determined in an agricultural setting in the nicoya peninsula (9 degrees 47' n, 84 degrees 56' w), costa rica, where two life zones (premontane moist forest basal belt transition, and tropical dry forest) predominate. by analyzing the gut contents of 120 squirrels, from february 1987 through january 1988, it was determined that coconut (cocos nucifera), indian almond (terminalia catappa) and flamboyant (delonix regia) were ...200618494334
[effects of host plants on development and fecundity of brontispa longissima (gestro)].with cocos nucifera, hyophorbe lagenicaulis, washingtonia filifera, roystonea regia and areca catechu as test host plants, this paper studied the effects of their un-spread leaves on the development and fecundity of experimental population of brontispa longissima. the results showed that the development duration of one generation b. longissima fed on different hosts varied significantly, with the longest (72.8 days) on w. filifera and the shortest (39.8 days) on h. lagenicaulis. the average pupa ...200718062312
some nigerian plants of dermatologic importance.according to the world health organization (who), 80% of the world's population uses medicinal plants in the treatment of diseases and, in african countries, this rate is much higher. in recent years, however, medicinal plants have represented a primary health source for the pharmaceutical industry. no less than 400 compounds derived from plants are currently used in the preparation of drugs, such as vincristine and vinblastine used in the treatment of cancer. nigerians still depend largely on c ...200717919209
preventing establishment: an inventory of introduced plants in puerto villamil, isabela island, galapagos.as part of an island-wide project to identify and eradicate potentially invasive plant species before they become established, a program of inventories is being carried out in the urban and agricultural zones of the four inhabited islands in galapagos. this study reports the results of the inventory from puerto villamil, a coastal village representing the urban zone of isabela island. we visited all 1193 village properties to record the presence of the introduced plants. in addition, information ...200717940606
the skimmiwallinols--minor components of the epicuticular wax of cocos nucifera.four new skimmiwallinol derivatives, isoskimmiwallinol acetate (4), skimmiwallinol acetate (5), isoskimmiwallinone (6) and skimmiwallinone (7), along with the previously isolated major components isoskimmiwallin (2) and skimmiwallin (3), have been found in the wax extract of pinnae from cocos nucifera. metabolites 4 and 5 were obtained as an inseparable mixture and identified by analysis of spectroscopic data and chemical correlation with 2 and 3, respectively. metabolites 6 and 7 were identifie ...200717500360
analyses of gibberellins by capillary electrophoresis-mass spectrometry combined with solid-phase extraction.a new, simple and rapid capillary electrophoresis-mass spectrometry (ce-ms) method, using a cationic polymer-coated capillary to reverse electroosmotic flow, is proposed and validated for the separation and simultaneous quantification of 11 gibberellins (gas). under optimum conditions, a baseline separation of 11 gas, including ga1, ga3, ga4, ga5, ga6, ga7, ga13, ga19, ga20, ga24 and ga53 was accomplished within 25 min using 70 mm ammonium formate/formic acid buffer (ph 3.8) and 2% (v/v) acetoni ...200717543977
identification of molecular markers associated with mite resistance in coconut (cocos nucifera l.).coconut mite (aceria guerreronis 'keifer') has become a major threat to indian coconut (coçcos nucifera l.) cultivators and the processing industry. chemical and biological control measures have proved to be costly, ineffective, and ecologically undesirable. planting mite-resistant coconut cultivars is the most effective method of preventing yield loss and should form a major component of any integrated pest management stratagem. coconut genotypes, and mite-resistant and -susceptible accessions ...200717546069
identification of a 7s globulin as a novel coconut allergen.coconut (cocos nucifera) is a monocotyledonous plant of the arecaceae family. allergy to coconut is infrequent, with only 5 cases reported so far in the medical literature.200717601273
effect of mexican medicinal plant used to treat trichomoniasis on trichomonas vaginalis trophozoites.crude methanolic extracts from 22 mexican medicinal plants were screened for antitrichomonal activity against trichomonas vaginalis, which is the etiological agent of trichomoniasis. among the plants tested carica papaya and cocos nucifera showed the best antitrichomonal activity with ic(50) values of 5.6 and 5.8 microg/ml, respectively. the extracts of bocconia frutescens, geranium mexicanum, and lygodium venustum showed moderate activity with ic(50) values ranging from 30.9 to 60.9 microg/ml. ...200717628366
[occurrence of amrineus cocofolius flechtmann (prostigmata: eriophyidae) in coconut fruits (cocos nucifera l.) in cuba].the presence of the eriophyid mite, amrineus cocofolius flechtmann, was confirmed in association with equatorial necrotic bands on the coconut fruit epidermis, in different growth areas in the provinces of la habana, granma y guantánamo, cuba, from february 2003 to march 2004.200717710333
the husk fiber of cocos nucifera l. (palmae) is a source of anti-neoplastic activity.in the present study, we investigated the in vitro anti-tumoral activities of fractions from aqueous extracts of the husk fiber of the typical a and common varieties of cocos nucifera (palmae). cytotoxicity against leukemia cells was determined by the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (mtt) assay. cells (2 x 10(4)/well) were incubated with 0, 5, 50 or 500 microg/ml high- or low-molecular weight fractions for 48 h, treated with mtt and absorbance was measured with an el ...200717713650
unfertilized ovary: a novel explant for coconut (cocos nucifera l.) somatic embryogenesis.unfertilized ovaries isolated from immature female flowers of coconut (cocos nucifera l.) were tested as a source of explants for callogenesis and somatic embryogenesis. the correct developmental stage of ovary explants and suitable in vitro culture conditions for consistent callus production were identified. the concentration of 2,4-dichlorophenoxyacetic acid (2,4-d) and activated charcoal was found to be critical for callogenesis. when cultured in a medium containing 100 microm 2,4-d and 0.1% ...200716902798
self-reported use of traditional, complementary and over-the-counter medicines by hiv-infected patients on antiretroviral therapy in pretoria, south africa.current management of hiv involves the use of conventional prescription medicines, called 'antiretroviral drugs' (arv), over-the-counter (otc), complementary and alternative medicines (cam), as well as african traditional medicine (atm). the aim of this study was to determine the prevalence of use of traditional, complementary and over-the-counter medicines. a cross-sectional survey of hiv-infected patients who started art between july 2004 and august 2005 at dr george mukhari hospital (pretoria ...200720161889
life history of the predatory mites neoseiulus paspalivorus and proctolaelaps bickleyi, candidates for biological control of aceria guerreronis.the eriophyoid mite aceria guerreronis keifer (eriophyidae), commonly called the coconut mite, is a key pest of coconut fruits. surveys conducted on coconut palms in brazil revealed the predatory mites neoseiulus paspalivorus deleon (phytoseiidae) and proctolaelaps bickleyi bram (ascidae) as the most commonly associated natural enemies of a. guerreronis on coconut fruits. however, virtually nothing is known about the life history of these two predators. we conducted laboratory experiments at 25 ...200717828440
[biology of amblyseius largoensis (muma) (acari: phytoseiidae), a potential predator of aceria guerreronis keifer (acari: eriophyidae) on coconut trees].aceria guerreronis keifer is considered one of the main pests of coconuts around the world. amongst the phytoseiidae recorded on this crop, amblyseius largoensis (muma) has been reported in association with a. guerreronis. in order to verify whether a. largoensis feeds on a. guerreronis, the biology of this predator was evaluated on different food sources, including a. guerreronis. three types of diet were tested [tetranychus urticae koch + castor bean (ricinus communis l.) pollen + honey at 10% ...200717710331
study of banana and coconut fibers botanical composition, thermal degradation and textural observations.four fibers from banana-trees (leaf, trunk) and coconut-tree (husk, fabric) were examined before their incorporation in cementitious matrices, in order to prepare insulating material for construction. their botanical compositions have been determined following a method described previously. thermal degradation of these fibers were studied between 200 and 700 degrees c under nitrogen gas flow. temperature of pyrolysis was the experimental parameter investigated. the solid residues obtained were a ...200716442281
sex ratio and female sexual status of the coconut pest, oryctes monoceros (coleoptera: dynastidae), differ in feeding galleries and pheromone-baited traps.oryctes monoceros is a serious coconut pest, causing up to 40% damage in tropical africa. synthetic aggregation pheromone, ethyl 4-methyloctanoate, has been used to lure adults to traps. traps with pheromone plus decaying palm material captured a high proportion of males. this raises the question whether individuals, which damage palms are receptive to the pheromone. we studied the sex ratio of the insects feeding on coconuts and those attracted to pheromone traps. sixty two percent of adults fr ...200818662429
burn wound healing property of cocos nucifera: an appraisal.the study was undertaken to evaluate the burn wound healing property of oil of cocos nucifera and to compare the effect of the combination of oil of cocos nucifera and silver sulphadiazine with silver sulphadiazine alone.200820040946
simulating coconut growth, development and yield with the infocrop-coconut model.simulation modeling of perennial crops has immense potential for generating information for plantation managers. we report the development of the infocrop-coconut model and its application to coconut (cocos nucifera l.) growing in diverse tropical and subtropical environments. the model is based on the generic crop model infocrop that simulates various annual crops in tropical and subtropical regions. the infocrop-coconut model was calibrated and validated with data compiled from published studi ...200818450569
cryopreservation by encapsulation-dehydration of plumules of coconut (cocos nucifera l.).this study describes the use of an encapsulation-dehydration cryopreservation technique on coconut plumules (apical dome with three or four leaf primordia) excised from embryos. in order to establish a reliable cryopreservation process for plumules, several different key factors were tested: pretreatment duration, sugar concentration, dehydration period and freezing. in parallel, histological studies were performed to describe the structural changes of tissues and plumule cells subjected to dehy ...200819137197
effect of ph and ionic strength on the physicochemical properties of coconut milk emulsions.coconut milk (16% to 17% fat, 1.8% to 2% protein) was extracted from coconut (cocos nucifera l.) endosperm and diluted in buffer to produce natural oil-in-water emulsions (10 wt% oil). the effect of ph (3 to 7) and nacl (0 to 200 mm) on the properties and stability, namely, mean particle size, zeta-potential, viscosity, microstructure, and creaming stability, of the natural coconut milk emulsions was investigated. at ph values close to the isoelectric point (iep) of the coconut proteins (ph 3.5 ...200819241548
description of tylenchorhynchus qasimii sp. n. with a new report of t. kegasawaiminagawa, 1995 from pakistan.a new stunt nematode, from soil around the roots of coconut (cocos nucifera l.) and rice (oryza sativa l.) from karachi, pakistan, is described and illustrated as tylenchorhynchus qasimii n. sp. this new species is characterized by having females with 3-4 head annules, anteriorly directed stylet knobs, absence of post anal extension, presence of rounded sperm filled spermatheca and conoid to bluntly rounded hemispherical tail terminus. males are common. also included is the record of t. kegasawa ...200819259514
a rapid decision sampling plan for implementing area-wide management of the red palm weevil, rhynchophorus ferrugineus, in coconut plantations of india.the red palm weevil rhynchophorus ferrugineus olivier (curculionidae/rhynchophoridae/dryophthoridae) is a lethal pest of young coconut palms, cocos nucifera l. (arecales: arecaceae), with a highly aggregated population distribution pattern. r. ferrugineus is managed in several coconut growing countries using area-wide pheromone based programmes that need a substantial commitment of funds over a period of time. often, decisions to implement area-wide management of r. ferrugineus are based on pher ...200820337561
optimization of ultrasound extraction of phenolic compounds from coconut (cocos nucifera) shell powder by response surface methodology.coconut is a tropical fruit largely consumed in many countries. in some areas of the brazilian coast, coconut shell represents more than 60% of the domestic waste volume. the coconut shell is composed mainly of lignin and cellulose, having a chemical composition very similar to wood and suitable for phenolic extraction. in this work, the use of ultrasound to extract phenolic compounds from coconut shell was evaluated. the effect of temperature, solution to solid ratio, ph and extraction time wer ...200817400017
rearing of coconut mite aceria guerreronis and the predatory mite neoseiulus baraki in the laboratory.a method was developed for the rearing of coconut mite, aceria guerreronis keifer (acari: eriophyidae), and its predatory mite neoseiulus baraki (athias-henriot) (acari: phytoseiidae) on embryo culture seedlings of coconut (cocos nucifera) in the laboratory. seedlings in the ages of <2, 2-4 and 4-6 months were infested with 75 field-collected coconut mites and the population growth was determined up to six weeks after introduction. the populations of coconut mites increased exponentially up to f ...200818058025
studies on nest construction and nest microclimate of the baya weaver, ploceus philippinus (linn.).the nest construction pattern at different stages of nest and variations in the nest microclimate, i.e., temperature and light intensity were assessed in different nests of baya weaver (ploceus philippinus) between november 2002 and march 2003 in nagapattinam and tiruvarur district of tamil nadu, india. the baya weaver constructed nests in palm (borassus flabellifer), coconut (cocos nucifera) and date palm trees (phoneix psuilla) and majority of the nests were found in the solitary palm. the mal ...200818972698
aeroallergens in clinical practice of allergy in india- aria asia pacific workshop report.allergic diseases such as bronchial asthma, allergic rhinitis and atopic dermatitis are dramatically increasing all over the world including developing countries like india. today, more than 30% of the population is known to suffer from one or other allergic ailment. major causative agents implicated are pollen grains, fungal spores, dust mites, insect debris, animal epithelia, etc. several aerobiological studies have been conducted in different parts of the country to ascertain aerial concentra ...200819317344
exploration of the acarine fauna on coconut palm in brazil with emphasis on aceria guerreronis (acari: eriophyidae) and its natural enemies.coconut is an important crop in tropical and subtropical regions. among the mites that infest coconut palms, aceria guerreronis keifer is economically the most important. we conducted surveys throughout the coconut growing areas of brazil. samples were taken from attached coconuts, leaflets, fallen coconuts and inflorescences of coconut palms in 112 localities aiming to determine the occurrence and the distribution of phytophagous mites, particularly a. guerreronis, and associated natural enemie ...200818062836
in vitro antioxidant potential of medicinal plant extracts and their activities against oral bacteria based on brazilian folk medicine.this study aims to determine antibacterial activities of cocos nucifera (husk fiber), ziziphus joazeiro (inner bark), caesalpinia pyramidalis (leaves), aqueous extracts and aristolochia cymbifera (rhizomes) alcoholic extract against prevotella intermedia, porphyromonas gingivalis, fusobacterium nucleatum, streptococcus mutans and lactobacillus casei. the antioxidant activity and acute toxicity of these extracts were also evaluated.200818243157
effect of the concentration of inherent mineral elements on the adsorption capacity of coconut shell-based activated carbons.coconut shells of west africa tall, a local variety of the coconut species cocos nucifera l., were taken from five different geographical locations in ghana and examined for the presence and concentration levels of some selected mineral elements using atomic absorption spectrometer. activated carbons were subsequently made from the shells by the physical method. the iodine adsorption characteristics of the activated carbons measured showed a definite relationship to the concentration levels of p ...200818248981
nematodes of rhynchophorus palmarum, l. (coleoptera: curculionidae), vector of the red ring disease in coconut plantations from the north of the rio de janeiro state.rhynchophorus palmarum, the palm weevil, has been reported as a pest of palms and sugarcane plants. the red ring disease is an infectious plant disease caused by nematodes. the etiological agent, bursaphelencus (rhadinaphelencus) cocophilus (nematoda: aphelenchoididae), completes its life cycle within 9 to 10 days inside the palm tree. the main symptom is a permanent wilting of the plant aerial parts. previous studies stated that b. cocophilus cohabits with other nematodes the gut of r. palmarum ...200818278512
simultaneous analysis of different classes of phytohormones in coconut (cocos nucifera l.) water using high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry after solid-phase extraction.coconut (cocos nucifera l.) water, which contains many uncharacterized phytohormones is extensively used as a growth promoting supplement in plant tissue culture. in this paper, a high-performance liquid chromatography (hplc) method was developed for the simultaneous determination of various classes phytohormones, including indole-3-acetic acid (iaa), indole-3-butyric acid (iba), abscisic acid (aba), gibberellic acid (ga), zeatin (z), n(6)-benzyladenine (ba), alpha-naphthaleneacetic acid (naa) a ...200818291140
equilibrium modeling and kinetic studies on the adsorption of basic dye by a low-cost adsorbent: coconut (cocos nucifera) bunch waste.in this paper, the ability of coconut bunch waste (cbw), an agricultural waste available in large quantity in malaysia, to remove basic dye (methylene blue) from aqueous solution by adsorption was studied. batch mode experiments were conducted at 30 degrees c to study the effects of ph and initial concentration of methylene blue (mb). equilibrium adsorption isotherms and kinetics were investigated. the experimental data were analyzed by the langmuir, freundlich and temkin models of adsorption. t ...200818308467
an unusual suspect: coconut bezoar after laparoscopic roux-en-y gastric bypass.nausea and vomiting after gastric bypass are common, but some of the underlying causes may be life threatening or, in some cases, unusual. this case report describes a patient who underwent laparoscopic roux-en-y gastric bypass and whose postoperative course was complicated by a bezoar in the gastric pouch. to our knowledge, this is the first published report addressing a coconut bezoar in the gastric pouch after gastric bypass surgery. coconut (cocos nucifera) is known to form emulsions and sus ...200818347881
analyses of gibberellins in coconut (cocos nucifera l.) water by partial filling-micellar electrokinetic chromatography-mass spectrometry with reversal of electroosmotic flow.in this paper, we present the results of simultaneous screening of eight gibberellins (gas) in coconut (cocos nucifera l.) water by mekc directly coupled to esi-ms detection. during the development of mekc-ms, partial filling (pf) was used to prevent the micelles from reaching the mass spectrometer as this is detrimental to the ms signal, and a cationic surfactant, cetyltrimethylammonium hydroxide, was added to the electrolyte to reverse the eof. on the basis of the resolution of the neighboring ...200818409157
whole-plant adjustments in coconut (cocos nucifera) in response to sink-source imbalance.coconut (cocos nucifera l.) is a perennial tropical monocotyledon that produces fruit continuously. the physiological function of the large amounts of sucrose stored in coconut stems is unknown. to test the hypothesis that reserve storage and mobilization enable the crop to adjust to variable sink-source relationships at the scale of the whole plant, we investigated the dynamics of dry matter production, yield and yield components, and concentrations of nonstructural carbohydrate reserves in a c ...200818519251
antiulcerogenic effects of coconut (cocos nucifera) extract in rats.a warm water crude extract of coconut milk and a coconut water dispersion were investigated for their antiulcerogenic effects in male wistar albino rats. ulcers were induced in the male rats by subcutaneous administration of indomethacin (40 mg/kg) using standard procedures. the ulcer inhibition rate (uir) was taken as a measure of the cytoprotection offered by test substances. coconut milk (2 ml daily oral feeding) produced a stronger percentage (54%) reduction in the mean ulcer area than cocon ...200818521965
correlation between the distribution of lignin and pectin and distribution of sorbed metal ions (lead and zinc) on coir (cocos nucifera l.).plant fibres are capacious for sorption of metal ions, and can be used in water cleaning. knowledge about the sorption will help in selection of the fibre and optimisation of its chemical modification, if any. the aim of this paper is to investigate the connection, if any, between the distribution of lignin and pectin and the loading of pb and zn on coir (mesocarp fibres from cocos nucifera l.). the coir consisted mainly of xylem and a fibre sheath. the lignin was evenly distributed in the cell ...200818558484
analysis of monoglycerides, diglycerides, sterols, and free fatty acids in coconut (cocos nucifera l.) oil by 31p nmr spectroscopy.phosphorus-31 nuclear magnetic resonance spectroscopy ( (31)p nmr) was used to differentiate virgin coconut oil (vco) from refined, bleached, deodorized coconut oil (rco). monoglycerides (mgs), diglycerides (dgs), sterols, and free fatty acids (ffas) in vco and rco were converted into dioxaphospholane derivatives and analyzed by (31)p nmr. on the average, 1-mg was found to be higher in vco (0.027%) than rco (0.019%). 2-mg was not detected in any of the samples down to a detection limit of 0.014% ...200818576656
enabling mycelial application of hirsutella thompsonii for managing the coconut mite.laboratory and field studies were conducted to examine the prospect of mycelial application of hirsutella thompsonii as an alternative to the use of mycelial-conidial formulations of the fungus in the suppression of the coconut mite, aceria guerreronis. in a series of laboratory experiments, glycerol, yeast extract powder and dehydrated malt extract broth were found to be the best among nine substances investigated as possible adjuvants for use on coconut palms in the field along with h. thompso ...200818685957
fruit development, not gpp, drives seasonal variation in npp in a tropical palm plantation.we monitored seasonal variations in net primary production (npp), estimated by allometric equations from organ dimensions, gross primary production (gpp), estimated by the eddy covariance method, autotrophic respiration (r(a)), estimated by a model, and fruit production in a coconut (cocos nucifera l.) plantation located in the sub-tropical south pacific archipelago of vanuatu. net primary production of the vegetative compartments of the trees accumulated steadily throughout the year. fruits acc ...200818765371
population dynamics of aceria guerreronis keifer (acari: eriophyidae) and associated predators on coconut fruits in northeastern brazil.aceria guerreronis keifer can cause severe damage to coconuts in several countries around the world. rare studies have been conducted to determine the predatory mites associated with a. guerreronis in brazil. the study evaluated the prevalence of a. guerreronis and associated predators on the bracts and on the surface of the fruits underneath the bracts, for 12 months, on coconut palms grown along the coast of the states of alagoas, paraíba and pernambuco, northeastern brazil. mites of 10 famili ...200818813749
detection of a serk-like gene in coconut and analysis of its expression during the formation of embryogenic callus and somatic embryos.somatic embryogenesis involves different molecular events including differential gene expression and various signal transduction pathways. one of the genes identified in early somatic embryogenesis is s omatic e mbryogenesis r eceptor-like k inase (serk). cocos nucifera (l.) is one of the most recalcitrant species for in vitro regeneration, achieved so far only through somatic embryogenesis, although just a few embryos could be obtained from a single explant. in order to increase efficiency of t ...200918818928
accumulation of phenylpropanoid derivatives in chitosan-induced cell suspension culture of cocos nucifera.chitosan-induced elicitation responses of dark-incubated cocos nucifera (coconut) endosperm cell suspension cultures led to the rapid formation of phenylpropanoid derivatives, which essentially mimics the defense-induced biochemical changes in coconut palm as observed under in vivo conditions. an enhanced accumulation of p-hydroxybenzoic acid as the major wall-bound phenolics was evident. this was followed by p-coumaric acid and ferulic acid. along with enhanced peroxidases activities in elicite ...200918448193
[can euseius alatus deleon (acari: phytoseiidae) prey on aceria guerreronis keifer (acari: eriophyidae) in coconut palm?].mites of the genus euseius are generally considered specialist as pollen feeders. euseius alatus deleon is one of the six species of phytoseiid mites most commonly found on coconut plants in northeast brazil associated with aceria guerreronis keifer. although the morphology of e. alatus does not favor the exploitation of the meristematic area of the fruit inhabited by a. guerreronis, the predator may have some role in the control of this eriophyid during the dispersion process. the objective of ...200919347108
purification and characterization of a serine protease (cesp) from mature coconut endosperm.in plants, proteases execute an important role in the overall process of protein turnover during seed development, germination and senescence. the limited knowledge on the proteolytic machinery that operates during seed development in coconut (cocos nucifera l.) prompted us to search for proteases in the coconut endosperm.200919426537
characterization of the antinociceptive and anti-inflammatory activities from cocos nucifera l. (palmae).cocos nucifera cultivated in brazil is known as "coco-da-bahia" or "coqueiro-da-india". the tea from the husk fiber is widely used to several inflammatory disorders. crude extract and fractions obtained from cocos nucifera "common variety" were evaluated to test the anti-inflammatory and antinociceptive activities.200919429325
[parisoschoenus obesulus casey (coleoptera: curculionidae) is not a pest of young coconut tree fruits].this study aimed to evaluate if parisoschoenus obesulus casey only attacks naturally aborting coconuts and, consequently, is not a pest of young fruits of coconut tree. aiming to test this hypothesis, inflorescences at diverse stages of physiological development were offered to individuals of p. obesulus. the results showed that only aborting fruits were colonized by p. obesulus corroborating the established hypothesis.200919488515
an ethnobotanical study of medicinal plants in chandauli district of uttar pradesh, india.chandauli district is one of the less studied regions of india for its ethnobotanical values. the present paper synthesizes the first report related to the documentation and conservation of ethnomedicinal plants of chandauli district and their socio-economic relationship with the forests and its resources.200919022368
anthelmintic activity of cocos nucifera l. against sheep gastrointestinal nematodes.the development of anthelmintic resistance has made the search for alternatives to control gastrointestinal nematodes of small ruminants imperative. among these alternatives are several medicinal plants traditionally used as anthelmintics. this work evaluated the efficacy of cocos nucifera fruit on sheep gastrointestinal parasites. the ethyl acetate extract obtained from the liquid of green coconut husk fiber (lgchf) was submitted to in vitro and in vivo tests. the in vitro assay was based on eg ...200919042088
identification and structural insights of three novel antimicrobial peptides isolated from green coconut water.infections caused by pathogenic bacteria could cause an expressive negative impact on human health. a significant enhance in resistance to commercial antibiotics has been observed in all kinds of pathogenic bacteria. in order to find novel approaches to control such common infections, a wide number of defense peptides with bactericidal properties have been characterized. in this report, three peptides lower than 3kda were purified and identified from green coconut (cocos nucifera l.) water by us ...200919111587
biochemical and immunological studies on eight pollen types from south assam, india.a total of 65 pollen types were identified from two years atmospheric pollen survey in the environmental conditions of south assam. out of them, eight pollen types viz., acacia auriculiformis, amaranthus spinosus, cassia alata, cleome gynandra, cocos nucifera, imperata cylindrica, ricinus communis and trewia nudiflora, were selected for biochemical studies on the basis of their dominance in the study sites. among the sample extract tested, ricinus communis was found to contain the highest amount ...200920404388
skimmiwallinin, an additional skimmiwallinol derivative from the cuticular wax of cocos nucifera.agno3-impregnated prep-tlc purification of the wax extract of cocos nucifera allowed the isolation and identification of skimmiwallinin as an additional skimmiwallinol derivative from the cuticular wax of coconut palms. identification was based on the comparison of its spectroscopic data with those reported in the literature.200919521908
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