检索结果-南通市图书馆

Anti-bacterial studies on Hemigraphis colorata(Blume) *** and Elephantopus scaber L.

Asian Pacific Journal of Tropical Medicine 2012年第1期5卷 52-57页

作者： Vimala Thankappan Anitha johnson marimuthu Solomon Jeeva Centre for Biodiversity and Biotechnology Department of BotanyNesamony Memorial Christian CollegeMarthandam-629165Tamil NaduIndia Department of Plant Biology and Plant Biotechnology StXavier's College(Autonomous)Palayamkottai-627 002Tamil NaduIndia

Objective:To examine the ethanol,aqueous,chloroform,benzene,acetone and petroleum ether extracts of Hemigraphis colorata(***) leaves and stem and Elephantopus scaber (***) leaves,root and flower for the presence of phyto-constituents and screened the antibacterial activity against the selected ***:The fresh materials were shade dried and powdered using the tissue *** dried and powered materials(50 g) were extracted successively with 200 mL of aqueous,acetone,benzene,chloroform,*** petroleum ether by using Soxhlet extractor for 8 h at a temperature not exceeding the boiling point of the ***,acetone,benzene,chloroform,*** petroleum ether extracts were prepared from powdered materials were used for preliminary phytnehemical and antimicrobial studies using standard ***:The crude aqueous,acetone,benzene,chloroform, *** petroleum ether extracts *** leaves,flower and root and *** leaves and stem demonstrated that out of(5×6×12 = 360) tests for the presence or absence of the above compounds.188 tests gave positive results and the remaining 172 gave negative results. The results of the phvtochemical screening revealed that phenol(12/12).carbohydrates(9/12). steroids(8/12).saponins and coumarins(7/12).tannins(6/12),proteins(5/12).earboxylic acid and flavonoids(4/12).xanthoproteins(3/12) and alkaloids(2/12) presence in the crude aqueous, acetone,benzene,chloroform,*** petroleum ether extracts of *** leaves and *** crude aqueous,acetone,benzene,chloroform,*** petroleum ether extracts *** leaves,flower and root displayed the presence of phenol(18/18).tannin(17/18). carbohydrates(16/18).steroids(14/18),oarboxylic acid and coumarins(12/18).saponins(10/18), xanthoprotein(9/18).flavonoids(7/18).protein(4/18) and alkaloids(2/18).The root ethanolic extracts of *** illustrated the highest zone of inhibition against three pathogens viz.. Staphylococcus aure

关键词： Anti-bacterial Phytochemistry Sceondary metabolites

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Preliminary phytochemical and antimicrobial studies on a spike-moss Selaginella inaequalifolia(hook.& grev.) Spring

引用

Asian Pacific Journal of Tropical Medicine 2010年第12期3卷 957-960页

作者： Varaprasadham Irudayaraj Janaky M marimuthu johnson Nallayan Selvan Department of Plant Biology and Plant Biotechnology St.Xavier's College(Autonomous)Palayamkottai - 627 002Tamil NaduIndia Centre for Biotechnology Muthayammal College of Arts & ScienceRasipuram - 637 408Tamil NaduIndia

Objective:To screen the anti-cancer spike-mosses for the presence of various bioactivities and to identify the important bioactive chemicals present in Selaginella inaequalifolia(S. inaequalifolia)(Hook.& Grev.) ***:Preliminary phytochemical screening was done by following the method of Brindha et *** study was carried out by disc diffusion ***:Results of preliminary phytochemical screening on five different extracts(petroleum ether,benzene,chloroform,ethanol and distilled water) of the spike-moss *** show the presence steroids,triterpenes,phenolic group,tannin,sugars and ***,amino acids,anthraquinone and reducing sugar did not show any positive *** the five different extracts,ethanol and chloroform extracts show the presence of maximum number(4 each) of *** results on antimicrobial studies show that all the three microbes[Staphylococcus aureus(***),Escherichia coli(***) and Candida albicans (***)]tested are resistant to the ethanol extract and susceptible to petroleum ether *** petroleum ether extract shows maximum inhibition with 45 mm of inhibition zone in *** inhibition zone in *** and *** are 26 mm and 22 mm respectively. Conclusions:The present study shows *** having potent antibacterial and anticandidal activities.

关键词： Spike moss Selaginella inaequalifolia Phytochemical screening Antimicrobial activity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Studies on isozymic variation among the South Indian species of Sphaerostephanos

引用

Asian Pacific Journal of Tropical Biomedicine 2011年第4期1卷 295-297页

作者： Irudayaraj Varaprasadham johnson marimuthu Department of Plant Biology and Plant Biotechnology St.Xavier's College(Autonomous)PalayamkpttaiTamil NaduIndia

Objective:To explore the identity and phylogenetic relationships among the three medicinally important species of Sphaerostephanos from South India using isozymic ***:The young fronds were homogenized with 3.5 mL of ice-cold homogenizing buffer in a pre-chilled pestle and *** supernatant was subjected to electrophoresis as described by Anbalagan poly acrylamide gel *** solutions for isoperoxidase was prepared as per Smila method for the detection of ***:A total of six different bands in five different positions with different molecular weight/Rf values and four active zones have been observed in the isoperoxidase enzyme system of *** one band with MW/Rf 0.399 is common to two different species *** arbuscula(***) and Sphaerostephanos unitus(***).Among the remaining four bands,two bands(R_f.0.23,0.47)are present in Sphaerostephanos subtruncatus(***) and one distinct band has been observed individually in ***(R_f.0.507) and ***(R_f.0.56).Conclusions:The present preliminary molecular study through isozymic analysis shows the identity of all the three species and the present results confirm distinctness of these three species based on macromicromorphology,phytochemistry and cytology.

关键词： Sphaerostephanos Isoperoxidase Poly acrylamide gel electrophoresis Inter-specific variation Isozymic variation Isozymic profile Phylogenetic relationship

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The effect of leaves extracts of Clitoria ternatea Linn against the fish pathogens

引用

Asian Pacific Journal of Tropical Medicine 2010年第9期3卷 723-726页

作者： Selvamaleeswaran Ponnusamy Wesely Ebenezer Gnanaraj johnson marimuthu Antonisamy Velusamy Selvakumar Jeyakumar Nelson Research and Development centre Bharathiar UniversityCoimbatoreTamil NaduIndia Department of Botany Arignar Anna Government Arts CollegeNamakkalTamil NaduIndia Department of Plant Biology and Plant Biotechnology St.Xavier's College(Autonomous)PalayamkottaiIndia - 627 002 Unit of Microbiology Faculty of MedicineAIMST UniversityMalaysia

Objective:To investigate the antimicrobial activity of Clitoria ternatea(***) against the fish pathogens viz.,Pseudomonas aeruginosa(***),Escherichia coli(***),Klebsiella pneumonia(***),Bacillus subtilis(***),Aeromonas formican(***)s, Aeromonas hydrophila(***) and Streptococcus agalactiae(*** )isolated from diseased Tilapia(Oreochromis niloticus).Methods:The extracts of *** was tested against ***,***,***,***,***,*** and *** by the agar well diffusion ***:Different extracts of *** showed inhibitory effects against ***,***,***,***,***,*** and S. *** acetate extracts of *** showed maximum of zone of inhibition against A. formicans(18 mm),***(19 mm),***(19 mm) and ***(21 mm) next to that ethanol extract of *** showed ***(18 mm) and ***(14 mm) followed by Acetone extract showed maximum zone of inhibition ***(19 mm) and ***(17 mm).Conclusions:The antimicrobial activities of all the four plant extracts are comparable and their potential as alternative in the treatment of infectious by these microorganisms was present in the *** testing is conducted on isolates using drugs selected on the basis of their importance to human medicine and use in fish production.

关键词： Anti-bacterial Fish Pathogens Well diffusion Clitoria tematea

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The effect of extracts of Selaginella involvens and Selaginella inaequalifolia leaves on poultry pathogens

引用

Asian Pacific Journal of Tropical Medicine 2010年第9期3卷 678-681页

作者： Haripriya Duraiswamy Selvan Nallaiyan Jeyakumar Nelson Periasamy Rathina samy marimuthu johnson Irudayaraj Varaprasadam Department of Biochemistry Muthayammal College of Arts and ScienceRasipuramTamil NaduIndia Centre for Biotechnology Muthayammal College of Arts and ScienceRasipuramTamil NaduIndia Unit of Microbiology Faculty of MedicineAIMST UniversityMalaysia Department of Plant Biology & Plant Biotechnology St.Xaveirs College(Autonomous)TirunelveliTamil NaduIndia

Objective:To investigate the antimicrobial activity of some commonly available herbs against poultry pathogens such as Escherichia coli(***) and Pseudomonas species isolated from poultry ***:The extracts of Selaginella involvens and Selaginella inaequalifolia were tested against *** and Pseudomonas isolated from poultry litter by the agar diffusion ***:Results indicated that different plant extracts showed inhibitory effects against ***(8-13 mm ) and Pseudomonas(6.5-13 mm).The four different extracts of Selaginella involvens and Selaginella inaequalifolia showed similar levels of antimicrobial activity on ***. Conclusions:The antimicrobial activities of all the four plant extracts are comparable and their potential as alternatives in the treatment of infections by these microorganisms were present in the poultry *** testing is conduced on isolates using drugs selected on the basis of their importance to human medicine and use in poultry production.

关键词： Poultry litter Medicinal plants Crude extracts Escherichia coli Pseudomonas species Antimicrobial activity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Antibacterial activity of selected ethnomedicinal plants from South India

引用

Asian Pacific Journal of Tropical Medicine 2011年第5期4卷 375-378页

作者： Rajendran Darling Anpin Raja Solomon Jeeva Juststella Wilfred Prakash johnson marimuthu Antonisamy Varaprasadham Irudayaraj Department of Botany Scott Christian College(Autonomous)Nagercoil-629 003Tamil NaduIndia Centre for Biodiversity and Biotechnology Department of BotanyNesamony Memorial Christian CollegeMarthandam-629 165Tamil NaduIndia Denartment of Botanr Scott Christian College(Autonomous)Naeercoil-629 003Tamil NaduIndia Department of Plant Biology and Plant Biotechnology St.Xavier's College(Autonomous)TirunelveliTamil NaduIndia

Objective:To screen the antimicrobial potential of three ethnomedicinal plants Chassalia curviflora Thw.(***),Cyclea peltata Hook.F.& Thomson(***) and Euphorbia hirta L(***) used in folk medicines in Aarukani hills Kani tribe,Tamil Nadu,India against human bacterial ***:Antibacterial efficacy was performed by disc diffusion method against the pathogens viz.,Escherichia coli(***)(ATCC 35218),Staphylococcus aureus (***)(ATCC 6538),Salmonella typhi(***)(MTCC 733),Proteus vulgaris(***), Proteus mirabilis(***) and Streptococcus pyogenes(***) and incubated for 24 h at 37°***:The maximum degree of antibacterial activity was observed in *** followed by *** *** showed comparatively low degree of antibacterial *** methanolic extract of *** showed the antibacterial activity against three pathogens viz.,***,*** and *** with the inhibition zones 12 mm,10 mm and 9 mm,respectively,hexane extracts of *** also showed the antibacterial activity against two selected pathogens viz.,*** and *** with 15 mm and 12 mm of inhibition *** the three different concentrations(025,0.50 & 0.75 mg/mL) of methanolic extract of C. peltata show the inhibitory effect on the three susceptible bacteria ***,*** and E. coli with the maximum inhibition in the highest concentration(0.75 mg/mL).The methanolic and hexane extracts of *** exhibited the antibacterial activity against only one bacterium each *** and *** with the maximum zone of inhibition 13 and 11 mm respectively. The methanolic and hexane extracts of *** exhibited the antibacterial activity against only one bacterium *** with the maximum zone of inhibition 13 and 11 mm respectively. Conclusions:The present investigation revealed that the ***,*** and *** are potentially good source of antibacterial agents and demonstrates

关键词： Antibacterial Folk medicine Kani tribe

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

In vitro clonal propagation of Achyranthes aspera L. and Achyranthes bidentata Blume using nodal explants

引用

Asian Pacific Journal of Tropical Biomedicine 2012年第1期2卷 1-5页

作者： Wesely Edward Gnanaraj johnson marimuthu Mohanamathi RB Kavitha Marappampalyam Subramanian Department of Botany Arignar Anna Government Arts College Department of Plant Biology and Plant Biotechnology St. Xavier's College(Autonomous)Palayamkottai Centre for Biotechnology Research Department of BiotechnologyMuthayammal College of Arts & Science

Objective:To develop the reproducible in vitro propagation protocols for the medicinally important plants viz.,Achyranthes aspera(***)*** Achyranthes bidentata(***)Blume using nodal segments as ***:Young shoots of *** and *** were harvested and washed with running tap water and treated with 0.1%bavistin and rinsed twice with distilled *** the explants were surface sterilized with 0.1%(w/v)HgCl_2 solutions for I *** rinsing with sterile distilled water for 3-4 times,nodal segments were cut into smaller segments(1 cm)and used as the *** explants were placed horizontally as well as vertically on solid basal Murashige and Skoog(MS)medium supplemented with 3%sucrose,0.6%(w/v)agar(HiMedia,Mumbai)and different concentration and combination of 6-benzyl amino purine(BAP),kinetin(Kin),naphthalene acetic acid(NAA)and indole acetic acid(IAA)for direct ***:Adventitious proliferation was obtained from *** and *** nodal segments inoculated on MS basal medium with 3%sucrose and augmented with BAP and Kin with varied *** medium augmented with 3.0 mg/L of BAP showed the highest percentage(93.60±0.71)of shootlets formation for *** and(94.70±0.53)percentages for *** number of shoots/explants(10.60±0.36)for *** and(9.50±0.56)for *** was observed in MS medium fortified with 5.0 mg/L of *** ***,maximum mean length(5.50±0.34)of shootlets was obtained in MS medium augmented with 3.0 mg/L of Kin and for ***(5.40±0.61)was observed in the very same *** highest percentage,maximum number of rootlets/shootlet and mean length of rootlets were observed in 1/2 MS medium supplemented with 1.0 mg/L of *** percentages of plants were successfully established in *** eight percentages of plants were well established in the green house *** five percentages of plants were established in the ***:The

关键词： In vitro Plant regeneration Tissue culture Nodal culture Achyranthes aspera Achyranthes bidentata Clonal propagation Nodal explant Reproducible MS medium Shoots BAP NAA IAA Kinetin Nodal segment Shootlet Rootlet

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Antibacterial,cytotoxic and larvicidal potential of Dictyota bartayresiana Lamour

引用

Journal of Coastal Life Medicine 2015年第5期 352-355页

作者： johnson marimuthu Alias Antonysamy Kalaiarasi Velayutham Narayani Mani Shibila Thangaiah Revathy Irullappan Centre for Plant Biotechnology Department of BotanySt.Xavier’s College(Autonomous)PalayamkottaiTirunelveliTamil NaduIndia-627002

Objective:To reveal the antibacterial,cytotoxic and larvicidal activity of Dictyota bartayresiana Lamour(***).Methods:Phytochemical analysis of various extracts of *** was *** antibacterial activity of *** was evaluated by agar diffusion *** larvicidal activity of crude extract was evaluated as per the protocol described by World Health *** evaluation of LC_(50) value was carried out after 24 h by probit *** test was carried out using the standard *** LC_(50) and LC_(90) values were obtained from the best-fit line plotted concentration verses percentage ***:Phytochemical analysis of various extracts of *** showed the presence of steroids,alkaloids,phenolic groups,cardiac glycosides,flavonoids,saponins,tannins and amino *** was observed that the methanolic extracts of *** expressed maximum zone of inhibition against Escherichia coli[(9.4±0.2)mm].Crude methanolic extracts of *** showed the highest larval mortality(LC_(50)=166.33 mg/L and LC_(90)=265.69 mg/L)against Culex ***,methanolic extracts of *** displayed the highest cytotoxicity with LC_(50) and LC_(90) values at 202.63 and 354.24 mg/L respectively against Artemia ***:The present results revealed the biopotentials of *** and further investigations are needed to elucidate the active principle.

关键词： Dictyota bartayresiana Cytotoxicity Larval mortality Culex quinquefasciatus Artemia salina

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Bio-potency of Dictyota ciliata ***

引用

Journal of Coastal Life Medicine 2014年第9期 684-688页

作者： Kalaiarasi Velayutham johnson marimuthu Alias Antonysamy Narayani Mani Sivaraman Arumugam Janakiraman Narayanan Babu Anantham Centre for Plant Biotechnology Department of BotanySt.Xavier’s College(Autonomous)Palayamkottai-627002Tamil NaduIndia

Objective:To reveal the antibacterial,cytotoxicity,larvicidal potentials of Dictyota ciliata ***(***).Methods:Phytochemical,antibacterial screening,cytotoxicity and larvicidal properties of the *** extracts were carried out according to standard *** and larvicidal potentials were analyzed by means of computerized probit analysis ***:The phytochemical screening showed the presence of steroids,alkaloids,phenolic groups,cardiac glycosides,flavonoids and tannins in the crude extracts of *** methanolic extracts of *** showed the highest metabolites presence compared to other tested *** antibacterial activity illustrated that the acetone extracts of *** exhibited the highest zone of inhibition[(10±0.2)mm]against Morganella *** larval mortality(50%)was observed in the crude methanolic extracts of *** against Culex quinquefasciatus(LC_(50)=202.82 mg/L and LC_(90) value is 488.52 mg/L).The result of brine shrimp lethality bioassay showed highest cytotoxicity in methanolic extracts of *** with LC_(50) and LC_(90) values at 340.14 mg/L and 555.58 mg/L ***:The results of the present phytochemical analysis and biological assays will help the manufacturers for identification and selection of raw materials for drug production.

关键词： Dictyota ciliata Larval mortality Morengilla morrgani Culex quinquefasciatus Brine shrimp

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：