检索结果-南通市图书馆

In Vitro Free Radical Scavenging Activity of Ethanolic Extract of the Whole Plant of Evolvulus Alsinoides(L.) L.

Chinese Journal of Integrative Medicine 2015年第6期21卷 453-458页

作者： Duraisamy Gomathi ganesan ravikumar Manokaran Kalaiselvi Balasubramaniam Vidya Chandrasekar Uma Department of Biochemistry Karpagam University

Objective： To identify the free radical scavenging activity of ethanolic extract of Evolvulus alsinoides. Methods： The free radical scavenging activity was evaluated by in vitro methods like reducing power assay, total antioxidant activity, 2,2-diphenyl-l-picrylhydrazyl （DPPH） reduction, superoxide radical scavenging activity, 2,2＇-azinobis-（3-ethylbenzothiazoline-6-sulfonic acid）（ABTS＊） scavenging activity, hydroxyl radical scavenging assay, and nitric oxide radical scavenging assay, which were studied by using ascorbic acid as standard. Results： The extract showed significant activities in all antioxidant assays compared with the reference antioxidant ascorbic acid. The total antioxidant activity as well as the reducing power was also found to increase in a dose-dependent manner. Conclusion： Evolvulus alsinoides may act as a chemopreventive agent, providing antioxidant properties and offering effective protection from free radicals.

关键词： Evolvulus alsinoides ethanolic extract total antioxidant reducing power ascorbic acid convolvulaceae

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Antioxidant activity and functional group analysis of Evolvulus alsinoides

引用

Chinese Journal of Natural Medicines 2014年第11期12卷 827-832页

作者： Duraisamy Gomathi ganesan ravikumar Manokaran Kalaiselvi Kanakasabapathi Devaki Chandrasekar Uma Food Analyst Post Harvest Technology Centre Tamil Nadu Agricultural University Coimbatore Research Associate Dalmia Centre for Research and Development Coimbatore Assistant Professor Departments of Biotechnology Kongunadu Arts and Science College Coimbatore Department of Biochemistry Karpagam University Coimbatore 641021 Department of Biochemistry College of Medicine & Health Science Hawassa University Hawassa Ethiopia

AIM: Many oxidative stress-related diseases occur as a result of the accumulation of free radicals in the body. Free radicals are generated by various endogenous systems, exposure to different physiochemical conditions, or pathological states. A balance between free radicals and antioxidants is necessary for appropriate physiological function. A lot of studies are going on worldwide directed towards finding natural antioxidants of plant origin. FTIR spectroscopy is used to develop a rapid and effective analytical method for studying the main constituents in medicinal plants. The chemical constituents in the plants were identified and monitored for their medicinal properties. The aim of this study was to evaluate the in vitro antioxidant activities and FTIR spectroscopic analysis of the ethanolic extract of Evolvulus alsinoides. METHOD: Free radical scavenging activity of ethanolic extract of the whole plant of E. alsinoides was evaluated by in vitro methods, including total antioxidant assay(FRAP method) and hydrogen peroxide scavenging activity using ascorbic acid as a standard. The degree of lipid peroxidation was examined by estimating the thiobarbituric acid reactive substances(TBARS) using standard methods and the functional groups were analyzed using FTIR spectroscopy. The IR spectrum in the mid-infrared region 4 000–400 cm–1 was used for discriminatio and to identify various functional groups present in E. alsinoides. RESULTS: The findings indicated the presence of amino acids, amides, amines, carboxylic acids, carbonyl compounds, organic hydrocarbons, and halogens in the ethanolic extract of E. alsinoides, and the antioxidant activities were significantly increased, when compared with the standard antioxidant ascorbic acid, in a dose-dependent manner. CONCLUSION: The findings indicated promising antioxidant activity of the crude extract of E. alsinoides, and needs further exploration for their potential effective use.

关键词： Evolvulus alsinoides Convolvulaceae Ethanolic extract FT-IR Free radicals Ascorbic acid

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Secondary metabolite credentials ofEvolvulus alsinoides by high performance thin layer chromatography(HPTLC)

引用

The Journal of Biomedical Research 2012年第4期26卷 295-302页

作者： Duraisamy Gomathi Manokaran Kalaiselvi ganesan ravikumar Dominic Sophia Velliyur Kanniappan Gopalakrishnan Chandrasekar Uma Department of Biochemistry Karpagam University

Plants and plant-based products are the bases of many modern pharmaceuticals that are current in use today for various *** aim of the study was to investigate the biochemical constituents and high performance thin layer chromatography（HPTLC） finger printing of the ethanolic extract of Evolvulus *** screening was done by standard procedures and HPTLC method was also established to analyze alkaloids,flavonoids and phenolic compounds from the ethanolic extract of Evolvulus *** phytochemical screening showed that ethanol extracted more secondary metabolites than other *** fingerprinting analysis showed the presence of various alkaloids,flavonoids and phenols（quercetin） in the ethanolic *** can be concluded that Evolvulus alsinoides may serve as a source of potent antioxidants that may be used in the prevention of various diseases such as cancer,diabetes and cardiovascular diseases due to the presence of phenolic *** finger print of Evolvulus alsinoides may be useful in the differentiation of the species from adulterants and act as a biochemical marker for this medicinally important plant in the pharmaceutical industry and plant systematic studies.

关键词： Evolvulus alsinoides high performance thin layer chromatography(HPTLC) secondary metabolites convolvulaceae

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

In vitro antiplasmodial activity of Spiro benzofuran compound from mangrove plant of Southern India

引用

Asian Pacific Journal of Tropical Medicine 2012年第5期5卷 358-361页

作者： Sundaram ravikumar ganesan Ramanathan Murugesan Gnanadesigan School of Marine Sciences Department of Oceanography and Coastal Area StudiesAlagappa UniversityThondi CampusThondi-623409Ramanathapuram DistrictTamil NaduIndia Department of Microbiology V.H.S.N.CollegeVirudhunagar DistrictTamil NaduIndia Department of Microbiology Selvamm Art and Science CollegeNamakkal-637003Tamil NaduIndia

Objective:To find out the in vitro antipalsmodial activities of mangrove leaf ***: In vitro antiplasmodial assay was carried out with 13 different mangrove *** chromatography was performed with the most potent Agecerious corniculatum（***） by using various solvent ***-MS was also preformed with the most potent ethanolic fraction of the *** ***:Of the 13 mangroves plants, *** showed maximum percentage of parasitemia suppression（94.98±1.16）%.Column chromatography was performed with *** with different solvents and the methanolic extract showed maximum percentage（99.73±1.63）%of parasitemia inhibition at 150μg/mL concentration with the IC50 value of（29.28±3.23）μg/mL *** results of the GC-MS analysis observed that,the most potent methanolic extract showed maximum retention time（30.687 RT） and the chemical class was identified as Spiro[benzofuran-2（3 H）,1’-（3 cyclohexane）-2’,3- dione,7-chloro-4’,6]which was responsible for the antiplasmodial ***:It is concluded from the present study that,the chemical constituents of *** collected from Pichavaram mangrove forest can be used as a putative antiplasmodial drugs in future.

关键词： Antiplasmodial Benzofuran compounds Mangrove plants

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

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

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：