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| 1 | A comparative study on the antioxidant activity of methanolic leaf extracts of Ficus religiosa L,Chromolaena odorata(L.) King & Rabinson,Cynodon dactylon(L.) Pers.and Tridax procumbens L.显示文摘Objective:To compare the antioxidative effects of the methanolic leaf extracts of Ficus religiosa (F.religiosa),Chromolaena odorata(C.odorata),Cynodon dactylon(C.dactylon) and Trida,x procumbens(T.procumbens) as well as the contents of antioxidants in the extracts.Methods: Total phenol and total flavanoid contents were measured according to the standard procedures. The total antioxidant capacity was determined using the phosphomolybdenum method.Reducing power was determined by the potassium ferrieyanide reducing method.The free radical scavenging activity was measured by 2,2’-Diphenyl-l-picrylhydrazyl(DPPH) assay.Results: Quantitative phytochemical analysis of total phenol content showed that C.odorata had the highest content of phenolic compounds significantly followed by F.religiosa,T.procumbens and C.dactylon.As for the total flavanoids content,F.religiosa had the highest content,followed by C.odorata,T.procumbens and C.daxtylon.Study on the total antioxidant capacity revealed that F.religiosa,C.dactylon and C.odorata showed higher total antioxidant capacity.T.procumbens showed the lowest capacity.Meanwhile,T.procumbens and C.odorata have the highest reducing power activity followed by F.religiosa and C.dactylon.The results of DPPH radical scavenging activity indicated that T.procumbens induced the largest elevation as the concentration of its extract increased,followed by C.odorata and F.religiosa and C.dactylon.Conclusions:The present study demonstrates the antioxidative capacity of all the four plant species.Of all the plants,C.odorata,a perennial weed plant showed potentially a high antioxidant activity,with higher phenolic and flavonoids contents.The data suggest that C.odorata can be best utilized in developing bioantioxidants. | Melinda Krishanti P Xavier Rathinam Marimuthu Kasi Diwakar Ayyalu Ramanathan Surash Kathiresan Sadasivam Sreeramanan Subramaniam | 2010 | Asian Pacific Journal of Tropical Medicine2010，3，5： | 6 |
| 2 | Thermal degradation properties of solid polymer electrolyte (poly(vinyl alcohol) + phosphoric acid)/methylene blue composites 显示文摘 | Somani P R Marimuthu R Viswanath A K | 2003 | Polym Degrada & Stabi2003，79，： | 1 |
| 3 | Antioxidant and antibacterial investigations on essential oils and acetone extracts of some spices 显示文摘 | Singh G Maurya S Marimuthu P | 2007 | Natural Product Radiance2007，6，2： | 1 |
| 4 | Efficacy of a fish protein hydrolysate in malnourished children显示文摘 | KNUT O N NAGALAKSHMI A P MARIMUTHU P | 2011 | Indian Journal ofClinical Biochemistry2011，26，4： | 1 |
| 5 | Evaluation of Connection Flexibility in Cold Formed Steel Racks显示文摘 | PRABHA P MARIMUTHU V SARAVANAN M | 2010 | Journal of Constructional Steel Research2010，66，7： | 1 |
| 6 | Multi basin desalination u-sing biomass heat source and analytical validation using RSM显示文摘 | Rajan A S Raja K Marimuthu P | 2014 | Energy Conversion and Management2014，87，： | 1 |
| 7 | Changes in free- radical scavenging ability of kombucha tea during fermentation显示文摘 | Jayabalan R Subathradevi P Marimuthu S | | 0，，： | 1 |
| 8 | Prevalence and psychosocial factors of aggression among youth显示文摘 | Sharm M K Marimuthu P | 2014 | Indian J Psychol Med2014，36，1： | 1 |
| 9 | A comprehensive map of the human urinary proteome显示文摘 | Marimuthu A O'Meally R N Chaerkady R Subbannayya Y Nanjappa V Kumar P Kelkar D S Pinto S M Sharma R Renuse S Goel R Christopher R Delanghe B Cole R N Harsha H C Pandey A | | 0，，06： | 1 |
| 10 | Antioxidant and antibacterial investigations on essential oils and acetone extracts of some spices显示文摘 | SINGH G MAURYA S MARIMUTHU P | 2007 | Natural Product Radiance2007，6，2： | 1 |
| 11 | Gamete tormation without meiosis in Arabidopsis 显示文摘 | Ravi M Marimuthu M P A Siddiqi 1 | 2008 | Nature2008，451，7182： | 1 |
| 12 | Induction of apoptosis in HeLa cells via caspase activation by resveratrol and genistein显示文摘 | DHANDAYUTHAPANI S MARIMUTHU P HORMANN V | 2013 | J Med Food2013，16，2： | 1 |
| 13 | High piezoresistivity and its origin in conducting polyaniline/TiO2 composites显示文摘 | Somani P R Marimuthu R Mulik U P | 1999 | Synthetic Metals1999，106，： | 1 |
| 14 | Determination of optimum parameters in turning of aluminium hybrid composites 显示文摘 | SURESH P MARIMUTHU K RANGANATHAN S | 2013 | International Review of Mechanical Engineering2013，7，1： | 1 |
| 15 | Induction of apoptosis in HeLa cells v/a easpase activation by resveratrol and genistein显示文摘 | Dhandayuthapani S Marimuthu P Hormann V | 2013 | J Med Food2013，16，2： | 1 |
| 16 | Changes in free-radical scavenging ability of kombucha tea during fermentation显示文摘 | JAYABALAN R SUBATHRADEVI P MARIMUTHU S | 2008 | Food Chem2008，109，： | 1 |
| 17 | Triiodothyronine increases brain natriuretic peptide (BNP) gene transcription and amplifies endotheia-dependent BNP gene transcription and hypertrophy in neonatal rat ventricularmyocytes显示文摘 | Webb P Marimuthu A | 2003 | J Biol Chem2003，278，15： | 1 |
| 18 | Synthesis ,characterization and charge transport mechanism in conducting polyaniline/V2O5 composites 显示文摘 | Somani P R Marimuthu R Mandale A B | 2001 | Polymer2001，42，： | 1 |
| 19 | High piezoresistivity and its origin in conducing polyaniline/TiO2 composites显示文摘 | Somani P R Marimuthu R Mulik U P | 1999 | Synth Met1999，106，： | 1 |
| 20 | Effi- cacy of a fish protein hydrolysate in malnourished chil- dren显示文摘 | Nesse K O Nagalakshmi A Marimuthu P | 2011 | Indian Journal of Clinical Biochemistry2011，26，4： | 1 |
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