EL ESTIGMA DEL ARRECIFE PDF

Nothing in eternity, a wandering ring, nothing in time, circle, pretence and vertigo, nothing in death, arteries of water and void. The flower of oblivion is uprooted and a lament sounds in the mist, a hawk flies over the blue meadow, in front of the immutable wall of remembrance and the iridescent air pulls out a sordid song. Share this poet:. Orietta Lozano. Orietta Lozano Poems Comments Stats.

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Directory of Open Access Journals Sweden. El HLB ya ha sido detectado en todo el estado de Colima. Essential oil or known as the eteris oil etheric oil was result from secondary metabolism of a plant. The components essential oil derived from citrus plants commonly used by perfume industry, on other hand it is used as essentials oil orange flavour addition in some drinks and food, and also as an antioxidant and anti cancer.

One of the essential oil is produced by Citrus aurantifolia El obj Effect of Citrus aurantifolia swingle essential oils on methyl mercaptan production of Porphyromonas gingivalis. Full Text Available Background: Halitosis is a term used to describe an unpleasant odors emanating timely from oral cavity. The unpleasant smell of breath most common caused from volatile sulphure compound VSC.

Methyl mercaptan is the major component of VSC. The essential oils of Citrus aurantifolia swingle contain antibacterial component. Purpose: The purpose of this study was to determine the effect of essential oil of Citrus aurantifolia swingle on the production of methyl mercaptan compounds in P.

Methods: Bacterial suspension of P. Distilled water was used as negative control and 0. Microplate was incubated anaerobically for 48 hours. After the periode of incubation, 0. The microplate was futher incubated for 12 hours. Concentration of methyl mercaptan produced by the P. Results: One-way ANOVA showed that the essential oil of Citrus aurantifolia swingle take effect on the concentration of methyl mercaptan produced by P.

LSD test results indicated that there was a significant difference of methyl mercaptan concentration between treatment groups of the essential oils of Citrus aurantifolia swingle and distilled water that used as negative control. Conclusion: The essential oil of Citrus aurantifolia swingle has decreased the production of methyl mercaptan produced by P. Latar belakang: Halitosis adalah istilah yang digunakan untuk menggambarkan bau tidak sedap yang berasal dari rongga mulut.

Penyebab utama halitosis. Full Text Available Exposure to electromagnetic fields EMF has become an issue of concern for a great many people and is an active area of research. Phytoplasmas, also known as mycoplasma-like organisms, are wall-less prokaryotes that are pathogens of many plant species throughout the world. Effects of electromagnetic fields on the changes of lipid peroxidation, content of H2O2, proline, protein, and carbohydrates were investigated in leaves of two-year-old trees of lime Citrus aurantifolia infected by the Candidatus Phytoplasma aurantifoliae.

Fresh and dry weight of leaves, content of MDA, proline, and protein increased in both healthy and infected plants under electromagnetic fields, compared with those of the control plants.

Electromagnetic fields decreased hydrogen peroxide and carbohydrates content in both healthy and infected plants compared to those of the controls. Thermophysical properties of enzyme clarified Lime Citrus aurantifolia L juice at different moisture contents.

Thermophysical properties of enzyme clarified lime Citrus aurantifolia L. The thermophysical properties evaluated were density, Newtonian viscosity, thermal conductivity, specific heat and thermal diffusivity. Full Text Available Citrus fruits are crops with high economic and medicinal value. The creole lime Citrus aurantifolia Christm. Swing var. The aim of this work was to achieve its establishment and in vitro multiplication. Seeds from mature fruits were disinfected with NaOCl 0.

At 7 days the number of explants contaminated with microorganisms, with necrosis and alive was quantified. The results indicated that the sodium hypochlorite was effective in disinfection of seeds and in its survival.

It was shown that for seed germination adding growth regulators is not required but for multiplication the inclusion of 1. The established protocol could be used in future studies of plant breeding. Key words: micropropagation, nodal cutting, plant growth regulators. In vitro Antimicrobial Activity of Citrus aurantifolia and its Phytochemical screening. Full Text Available Objective: To evaluate the antimicrobial efficacy of Citrus aurantifolia Linn CA against some microorganisms - bacteria and fungus were Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia, Pseudomonas spp, Aspergillus niger, Aspergillus fumigates, Mucor spp and Pencillium.

A different solvent was used to obtain CA leaf extract by using maceration technique. Due to its high yield value hydroalcoholic extract of CA was used for estimating the antimicrobial activity and its phytochemical screening. Phytochemical screening of CA plant reveals the presence of Alkaloids, carbohydrates, flavonoids, steroids and tannins. Conclusions: The study demonstrates that the hydroalcoholic extract of CA leaf exhibit antibacterial activity on Klebsiella pneumonia, Pseudomonas sp, Staphylococcus aureus and antifungal activity among Aspergillus niger, Aspergillus fumigates, Mucor species.

These recognized a good support to the use of this plant in herbal medicine and as base for the development of new drugs and phytomedicine. Potencial do flavedo epicarpo de Citrus aurantifolia cv.

Tahiti no controle do bolor verde e da antracnose em citros. Portanto, estudou-se os efeitos dos extratos aquosos do flavedo de Citrus aurantifolia var. Tahiti, Lentinula edodes, Agaricus subrufescens syn. Agaricus brasiliensis, albedo de Citrus sinensis var. Mengingat faktor ketersediaan dan harga jeruk lemon di Indonesia maka pada penelitian ini dilakukan pengamatan dengan menggunakan jeruk nipis Citrus aurantifolia.

Penelitian ini dilakukan untuk mengetahui seberapa besar potensi jeruk nipis untuk dipergunakan dalam mempercepat laju disinfeksi pada proses SODIS. Adapun faktor-faktor yang akan dipelajari terkait dengan hubungan antara variasi dosis jeruk nipis, perubahan pH dan suhu air terhadap efisiensi inaktivasi bakteri yang mampu dihasilkan. Hal ini menunjukkan bahwa Jeruk nipis berpotensi untuk digunakan dalam mempercepat laju disinfeksi E. Full Text Available Background and Aims: Instrumentation of the root canals results in formation of smear layer which covers the dentinal tubules.

In infected teeth, it is ideal to achieve a material that has the ability to remove the smear layer besides antimicrobial activity. Therefore, this study was designed to evaluate the antimicrobial effect of Citrus aurantifolia extracts lime juice and rind extract on Enterococcus faecalis within dentinal tubules in the presence of smear layer.

Materials and Methods: One-hundred and forty dentin tubes were prepared from bovine incisors. After removal the smear layer, the specimens were infected with Enterococcus faecalis. Then, the smear layer was reformed. Test solutions were used as the irrigants in study roups as follows: group 1: 5. Dentin chips were collected from inner and outer layers of dentinal walls and optical density was measured.

The aim of this work was to evaluate the antimicrobial activities of leaves and epicarp of Citrus aurantifolia essential oil against Phytophthora colocasiae, the causative agent of taro leaf blight. Oils were extracted by hydrodistillation, and their chemical composition was determined by gas chromatography and gas chromatography coupled with mass spectrometry.

Antimicrobial activities of oils were tested in vitro against mycelium growth and sporangium production. In situ tests were done on healthy taro leaves, and the necrosis symptoms were evaluated. Results showed that the essential oil extraction yields from leaves and epicarp were 0. Limonene The highest inhibitory concentration of sporangium production was There were positive correlations between both the oil concentration and the reduction of necrosis caused by P.

These findings suggest that the C. Comparative study on the antioxidant capacity and cholinesterase inhibitory activity of Citrus aurantifolia Swingle, C.

The interest in medicinal plant research and in the aroma-therapeutic effects of essential oils in humans has increased in recent years, especially for the treatment of pathologies of relevant social impact such as Alzheimer's disease. The present study was taken up to evaluate the antioxidant capacity and the acetylcholinesterase AChE and butyrylcholinesterase BChE inhibitory activity of the peel essential oils from three Citrus species, C.

Obtained data suggest a potential use of Citrus oils as a valuable new flavor with functional properties for food or nutraceutical products with particular relevance to supplements for the elderly.

The demonstrated antioxidant activity and procholinesterase properties of Citrus essential oils suggested their use as a new potential source of natural antioxidant to added as extra-nutrient for using in food industries as a valuable new flavor with functional properties for food or nutraceutical products with particular relevance to supplements for the elderly. Effect of in vitro mutagenesis on plant regeneration in Citrus aurantifolia S.

The cultures were maintained on the same media for 30 days. Part of the day-old calli were exposed to gamma radiation 5 and 10 Gy and the rest were treated with ethyl methanesulphonate EMS 0. The results indicated a significant effect of mutagenic agent on callus regeneration and regenerants' morphological features.

The same phenomenon was observed in Triticum aestivum and Zea mays. Regenerated mutants showed variation in morphological traits like, plant height, leaf length and breadth.

Moreover, the mutants are being screened for resistance against citrus canker. However, the genetic origin of the mutants has not been determined. Experimental Paper. The effect of different development stages on the quantity and quality of the essential oil of Citrus aurantifolia Christm.

Swingle in Iran. Swingle have great economic value because of its essential oil with a unique flavour. Objective: The essential oils from the peel of C. The highest oil yield was obtained at stage I 1. At the first stage, the highest percentages belonged to limonene Conclusion: Therefore, it is concluded that the harvest time has a considerable effect on the content and amount of lime fruit essential oil.

Agrobacterium-mediated transformation of Mexican lime Citrus aurantifolia Swingle using optimized systems for epicotyls and cotelydons. Epicotyl and internodal stem segments provide the predominantly used explants for regeneration of transgenic citrus plants following co-cultivation with Agrobacterium. Previous reports using epicotyls segments from Mexican lime have shown low affinity for Agrobacterium tumefaciens infection which re Acid lime Citrus aurantifolia Christm.

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Orietta Lozano

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Estigma del Arrecife, El

In order to raise the quality of teaching and teacher education in Uruguay, a program of innovation and change was considered at a educational conference. Conference goals included identifying ways to: 1 increase opportunities to promote innovation and change; 2 search for strategies to encourage creative problem solving; 3 increase…. PubMed Central. This work is an extened summary of the autor's PhD thesis. At first, students teachers' undestanding of astronomical concepts related to Sun-Earth system have been analysed. Taking into account the results of the previous analysis and using a socio-constructivist approach a teaching sequence has been designed. This sequence has been tested with different groups of students teachers showing an improvement in their undestanding of elementary astronomical concepts.

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Estigma Del Arrecife, El

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