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      Traditional Consumption of the Fruit Pulp of Chrysophyllum albidum (Sapotaceae) in Pregnancy may be Serving as an Intermittent Preventive Therapy against Malaria Infection

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          Abstract

          Background:

          The bark of Chrysophyllum albidum is reported to possess antimalarial property. The fruit pulp of C. albidum consumed by pregnant women of south eastern Nigeria may also possess antimalarial activity. The present preliminary study investigated the antimalarial potential of the pulp juice and seed of C. albidum.

          Methods:

          Schizonticidal activity was evaluated using the Peter’s 4-day suppressive test. The prophylactic and curative antimalarial activities of the extracts were evaluated in Albino mice inoculated with Plasmodium berghei.

          Results:

          The oral acute toxic dose of the pulp extract is beyond 5000 mg/kg. The seed and pulp possess both suppressive and curative properties. The seed extract suppressed early infection by 72.97% and 97.30%, at 500 and 1000 mg/kg, respectively. The pulp juice recorded 72.97% and 81.08%, at 500 and 1000 mg/kg, respectively. At 500 mg/kg dose, the level of parasite control on Day 7 was the same (96.10%) for both seed and pulp.

          Conclusion:

          This study demonstrates the presence of antimalarial constituents in the chemically uncharacterized samples (fruit pulp and seed) of C. albidum. Its ethnomedicinal use may be valuable in pregnancy where it may possibly serve as an intermittent preventive therapy against malaria.

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          Most cited references15

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          A new approach to practical acute toxicity testing.

          A method for the investigation of the acute toxicity of an unknown chemical substance, with an estimation on the LD50, is described. Using this, it is possible to obtain with 13 experimental animals adequate information on the acute toxicity and on the LD50. This method has no limitations and applies to drugs, agricultural and industrial chemicals. It can be used for every route of administration.
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            Malaria in pregnancy: pathogenesis and immunity.

            Understanding of the biological basis for susceptibility to malaria in pregnancy was recently advanced by the discovery that erythrocytes infected with Plasmodium falciparum accumulate in the placenta through adhesion to molecules such as chondroitin sulphate A. Antibody recognition of placental infected erythrocytes is dependent on sex and gravidity, and could protect from malaria complications. Moreover, a conserved parasite gene-var2csa-has been associated with placental malaria, suggesting that its product might be an appropriate vaccine candidate. By contrast, our understanding of placental immunopathology and how this contributes to anaemia and low birthweight remains restricted, although inflammatory cytokines produced by T cells, macrophages, and other cells are clearly important. Studies that unravel the role of host response to malaria in pathology and protection in the placenta, and that dissect the relation between timing of infection and outcome, could allow improved targeting of preventive treatments and development of a vaccine for use in pregnant women.
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              The economic burden of malaria.

              Malaria and poverty are intimately connected. Controlling for factors such as tropical location, colonial history, and geographical isolation, countries with intensive malaria had income levels in 1995 of only 33% that of countries without malaria, whether or not the countries were in Africa. The high levels of malaria in poor countries are not mainly a consequence of poverty. Malaria is geographically specific. The ecological conditions that support the more efficient malaria mosquito vectors primarily determine the distribution and intensity of the disease. Intensive efforts to eliminate malaria in the most severely affected tropical countries have been largely ineffective. Countries that have eliminated malaria in the past half century have all been either subtropical or islands. These countries' economic growth in the 5 years after eliminating malaria has usually been substantially higher than growth in the neighboring countries. Cross-country regressions for the 1965-1990 period confirm the relationship between malaria and economic growth. Taking into account initial poverty, economic policy, tropical location, and life expectancy, among other factors, countries with intensive malaria grew 1.3% less per person per year, and a 10% reduction in malaria was associated with 0.3% higher growth. Controlling for many other tropical diseases does not change the correlation of malaria with economic growth, and these diseases are not themselves significantly negatively correlated with economic growth. A second independent measure of malaria has a slightly higher correlation with economic growth in the 1980-1996 period. We speculate about the mechanisms that could cause malaria to have such a large impact on the economy, such as foreign investment and economic networks within the country.
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                Author and article information

                Journal
                Anc Sci Life
                Anc Sci Life
                ASL
                Ancient Science of Life
                Medknow Publications & Media Pvt Ltd (India )
                0257-7941
                2249-9547
                Apr-Jun 2017
                : 36
                : 4
                : 191-195
                Affiliations
                [1 ] Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
                [2 ] Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
                Author notes
                Address for correspondence: Dr. Chibueze Peter Ihekwereme, Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria. E-mail: cp.ihekwereme@ 123456unizik.edu.ng
                Article
                ASL-36-191
                10.4103/asl.ASL_208_16
                5726185
                ec6a29c8-48e6-417d-b03f-e22093bcaabd
                Copyright: © 2017 Ancient Science of Life

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

                History
                : October 2016
                : October 2017
                Categories
                Original Article

                Life sciences
                chrysophyllum albidum,intermittent preventive therapy,malaria,parasitemia,pregnancy
                Life sciences
                chrysophyllum albidum, intermittent preventive therapy, malaria, parasitemia, pregnancy

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