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Phytopharmacological evaluation of ethanol extract of Sida cordifolia ***

Asian Pacific Journal of Tropical Biomedicine 2014年第1期4卷 18-24页

作者： mohammad Abdul Motalib Momin Sm Faysal Bellah sarder mohammad raussel rahman Ahmed Ayedur rahman Gazi mohammad Monjur Murshid sarder mohammad Saker Billah Talha Bin Emran Department of Pharmacy Jahangirnagar University Department of Clinical Pharmacy and Pharmacology Dhaka University Pharmacy Discipline Life Science SchoolKhulna University Department of Chemistry Gort.M.M.University College Department of Pharmacy BGC Trust University

Objective:To investigate the phytochemical screening(group determination)and selected pharmacological activities(antioxidant,antimicrobial and analgesic activity)of the plant Sida cordifolia Linn(***).Methods:Eighty percent concentrated ethanol extract of the roots was *** identify the chemical constituents of plant extract standard procedures were *** phytochemical screening the crude extract was tested for the presence of different chemical groups like reducing sugar,tannins,saponins,steroids,flavonoids,gums,alkaloids and *** antioxidant property of ethanolic extract of *** was assessed by DPPH free radical scavenging *** activity of the extract was tested using the model of acetic acid induced writhing in *** sodium is used as reference standard drug for the analgesic activity test Antibacterial activity of plant extract was carried out using disc diffusion method with five pathogenic bacteria comparison with kanamycin as a ***:Phytochemical analysis of the ethanolic extract of the roots of *** indicated the presence of reducing sugar,alkaloids,steroids and *** DPPH scavenging assay the IC_(50)value was found to be 50 ug/mL which was not comparable to the standard ascorbic *** crude extract produced 44.3%inhibition of writhing at the dose of 300 mg/kg body weight which is statistically significant(P>0.001).The in vitro antimicrobial activity of the ethanol extract of the roots of *** showed no antimicrobial activity against five types of *** experiment was conducted only with five species of bacteria as test species,which do not at all indicate the total inactivity against ***:The obtained results provide a support for the use of this plant in traditional medicine but further pharmacological studies are required.

关键词： Antioxidant Antimicrobial Analgesic DPPH Phytochemical screening

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A multi-purpose National Forest Inventory in Bangladesh:design,operationalisation and key results

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Forest Ecosystems 2021年第1期8卷 151-172页

作者： Matieu Henry Zaheer Iqbal Kristofer Johnson Mariam Akhter Liam Costello Charles Scott Rashed Jalal Md.Akhter Hossain Nikhil Chakma Olaf Kuegler Hossain Mahmood Rajib Mahamud mohammad Raqibul Hasan Siddique Khaled Misbahuzzaman mohammad Main Uddin Mohammed Al Amin Farid Uddin Ahmed Gael Sola Md.Baktiar Siddiqui Luca Birigazzi Mahmudur rahman Ilias Animon Saimunnahar Ritu Laskar Muqsudur rahman Aminul Islam Heather Hayden Frida Sidik Mondal Falgoonee Kumar Rakibul Hassan Mukul Hossain Nishad Ariful Hoque Belal Asif Reza Anik Abdul Khaleque Md.Shaheduzzaman Syed Shahadat Hossain Tariq Aziz Md.Tauhidor Rahaman Ruhul Mohaiman Patrick Meyer Purnata Chakma A.Z.M.Manzoor Rashid Sourav Das Shrabanti Hira Mohammed Jashimuddin mohammad Mahfuzur rahman Karl Wurster sarder Nasir Uddin Abul Kalam Azad S.M.Zahirul Islam Laurent Saint-André Food and Agriculture Organization of the United Nations Viale delle Terme di Caracalla00153 RomeItaly Forest Department Ministry of EnvironmentForests and Climate ChangeBan BhabanShere Bangla NagarAgargaonDhaka 1207Bangladesh School of Ecosystem and Forest Sciences University of MelbourneParkville VictoriaMelbourne 3010Australia United States Forest Service(USFS)/SilvaCarbon WashingtonD.CUSA Institute of Forestry and Environmental Sciences(IFES) University of ChittagongChattogramBangladesh Department of Forestry and Environmental Science Rangamati Science and Technology UniversityRangamatiBangladesh Forestry and Wood Technology Discipline Khulna UniversityKhulnaBangladesh School of Biological Sciences The University of QueenslandQLDBrisbane 4072Australia Arannyak Foundation DhakaBangladesh United Nations Framework Convention on Climate Change(UNFCCC) BonnGermany Bangladesh Space Research and Remote Sensing Organization(SPARRSO) DhakaBangladesh Institute for Marine Research and Observation Ministry of Marine Affairs and FisheriesNegaraBaliIndonesia Department of Agricultural Economics Bangabandhu Sheikh Mujibur Rahman Agricultural University(BSMRAU)GazipurBangladesh Bangladesh Bureau of Statistics(BBS) DhakaBangladesh Institute of Statistical Research and Training University of DhakaDhakaBangladesh United States Agency for International Development(USAID) DhakaBangladesh Department of Forestry and Environmental Science Shahjalal University of Science and TechnologyKumargaonSylhetBangladesh Department of Biological Sciences Faculty of Science and EngineeringMacquarie UniversitySydneyAustralia Bangladesh National Herbarium(BNH) Zoo RoadMirpurDhakaBangladesh Bangladesh Forest Research Institute(BFRI) SholoshaharChottogramBangladesh National Research Institute for Agriculture Food and Environment(INRAE)ParisFrance

Background:National forest inventory and forest monitoring systems are more important than ever considering continued global degradation of trees and *** systems are especially important in a country like Bangladesh,which is characterised by a large population density,climate change vulnerability and dependence on natural *** the aim of supporting the Government’s actions towards sustainable forest management through reliable information,the Bangladesh Forest Inventory(BFI)was designed and implemented through three components:biophysical inventory,socio-economic survey and remote sensing-based land cover *** article documents the approach undertaken by the Forest Department under the Ministry of Environment,Forests and Climate Change to establish the BFI as a multipurpose,efficient,accurate and replicable national forest *** design,operationalization and some key results of the process are ***:The BFI takes advantage of the latest and most well-accepted technological and methodological ***,it was designed through a collaborative process which drew from the experience and knowledge of multiple national and international ***,1781 field plots were visited,6400 households were surveyed,and a national land cover map for the year 2015 was *** technological enhancements include a semi-automated segmentation approach for developing the wall-to-wall land cover map,an object-based national land characterisation system,consistent estimates between sample-based and mapped land cover areas,use of mobile apps for tree species identification and data collection,and use of differential global positioning system for referencing plot ***:Seven criteria,and multiple associated indicators,were developed for monitoring progress towards sustainable forest management goals,informing management decisions,and national and international reporting needs.A wide range of biophysica

关键词： South-Asia Forest monitoring Innovation Remote sensing Socio-economic Partnership Ecosystem services Carbon sequestration

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Study on Vaccination Efficacy against Avian Influenza in Rajshahi, Bangladesh

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Journal of Agricultural Science and Technology(A) 2017年第3期7卷 193-198页

作者： Md. Shofiqul Islam Md. Hemayatul Islam Md. Jalal Uddin sarder K. M. Mozaffor Hossain Md. Shofinur rahman Mir Rowshan Akter Institute of Biological Sciences University of Rajshahi Rajshahi-6205 Bangladesh Department of Veterinary and Animal Science University of Rajshahi Rajshahi-6205 Bangladesh Youth Training Center Naogaon-6520 Bangladesh Department of Microbiology Hajee Mohammad Danesh Science and Technology University Dinajpur-5200 Bangladesh

Vaccines are used in integrated control strategies to guard poultry against H5N1 high-pathogenicity avian influenza （AI）. This study was to evaluate the efficacy of AI vaccine against AI in poultry. About 400 serum samples were collected from the selected 130 farms located at Rajshahi region, Bangladesh. The study was carried out from January, 2013 to January, 2015. The AI vaccine titres were compared in different breed of layer, environmental temperature, feed and egg production. Result showed that the value of titres （mean ± SD） in Hyline brown, Hyline white, Bovans white and Novogen white were 6.71 ± 0.05, 6.67 ± 0.06, 6.79 ± 0.03 and 6.43 ± 0.04, respectively. The highest serum antibody titres were 6.61 ± 0.24 against AI antibody in 〉 26 ℃ environment temperature. The highest and lowest serum antibody value of AI against feed brand （nutrient） were 7.75 ± 0.08 and 5.58 ± 0.22 for Aftab and Quality brand feed, respectively.

关键词： Avian influenza titres layer environmental temperature and egg production.

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