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| 1 | Phytochemical and anti-bacterial activity of epidermal glands extract of Christella parasitica (L.) H. Lev.显示文摘Objective:To study the morphology,biochemistry and bioactivity of the epidermal glands of the glandular morphotype of Christella parasitica(C.parasitica)(L.) H.Lev.Methods: Morphological studies on epidermal glands were earned out by using light microscope and scanning electron microscope.To prepare the extract,the shade-dried fronds of glandular morphotype were soaked in acetone.For antibacterial studies paper disc method was followed by using various pathogenic bacteria.Results:Detailed micromorphological,phytochemical and bioactivity studies on a medicinal fern C.parasitica(L.) H.Lev.showed its inlraspecific variation in antibacterial activity.The presence or absence of the epidermal glands was the key factor for antibacterial activity in the morphovariants of this species.The epidermal glands were orange-coloured,stalked and elongated ones of about 84.2μm×45μm,and distributed on the undersurface of cosla,coslules and veins in croziers,young and mature leaves.Frequency of glands varied from 15/cm on costa in mature leaves to 140/cm on costules in croziers.The acetone extract of the glands showed antibacterial activities and also toxic effect against mosquito larvae and tadpoles of frog.Preliminary phytochemical analysis and HPLC studies of the gland extract showed the presence of various kinds of terpenoids,alkaloids,tannins,saponins and flavonoids in it.Conclusions:The present study shows that epidermal glands of the glandular morphotype of C. parasitica(L.) H.Lev.have several bioactive compounds and such rare moiphovariant should be conserved in nature.The next step is to isolate the pure compounds and to screen the bioactivity of individual compounds of the epidermal glands. | Paul Raj K Irudayaraj V Johnson M Patric Raja D | 2011 | Asian Pacific Journal of Tropical Biomedicine2011，1，1： | 14 |
| 2 | Solvent extraction of Hf(IV) from acidic chloride solutions using Cyanex 302显示文摘 | REDDY B R KUMAR J R RAJA K P REDDY A V | 2004 | Minerals Engineering2004，17，： | 1 |
| 3 | Enhancing stress corrosion crackingresistance in Al-Zn-Mg-Cu-Zr alloy through inhibitingrecrystallization 显示文摘 | KANNAN M B RAJA V S | 2010 | Engineering Fracture Mechanics2010，77，2： | 1 |
| 4 | Accurate and reproducible gene expression profiles from laser capture microdissection transcript amplification, and high density oligonucleotide microarray analysis 显示文摘 | LUZZI V MAHADEVAPPA M RAJA R | 2003 | J Mol Diagn2003，5，1： | 1 |
| 5 | Vanadium market in the world 显示文摘 | Raja B V R | 2007 | Steelworld2007，13，2： | 1 |
| 6 | Engineering Education in India-Quality Concerns and Remedial Measures 显示文摘 | R V RAJA KUMAR | 2007 | The Journal of Technical Education2007，30，3： | 1 |
| 7 | Incorporated tool selection sys-tem using object technology显示文摘 | Fernandes K J Raja V H | 2000 | International Journal ofMachine Tools&Manufacture2000，40，： | 1 |
| 8 | Comparison of heavy metal toxicity in life stages (spermiotoxieity, egg toxicity, embryotoxicity and larval toxicity) of Hydroides elegans显示文摘 | GOPALAKRISHNAN S THILAGAM H RAJA P V | 2008 | Chemosphere2008，71，3： | 1 |
| 9 | Antimicrobial activity of extracts from the leaves of Clematis gouriana Roxb显示文摘 | Raja Naika H Krishna V | 2007 | Int J Biomedical Pharma Sciences2007，，1： | 1 |
| 10 | Study of the structure and corrosion behavior of PEO coatings on AM50 magnesium alloy by electrochemical impedance spectroscopy显示文摘 | Ghasemi A Raja V S Blawert C | 2008 | Surf Coat Technol2008，202，： | 1 |
| 11 | Impedance spectroscopic and dielectric analysis of PMMA-CO-P4VPNO pol- ymer films显示文摘 | RAJA V SHARMA A K NARASIMHA V V R | 2004 | Mater Lett2004，58，26： | 1 |
| 12 | Determination of photo conversion efficiency of nanotubular titanium oxide photo-electrochemical cell for solar hydrogen generation显示文摘 | Raja K S Mahajan V K Misra M | 2006 | J Power Sources2006，159，： | 1 |
| 13 | Laser-induced breakdown speetroseopy analysis of lunar simulants under high vacuum conditions显示文摘 | ANTONY J K VASA N J SRIDHAR RAJA V L N | 2010 | TENCON2010，，4： | 1 |
| 14 | Wide viewing angle and fast responding TN LCD 显示文摘 | Chandrasekhar S Raja Krishna V N S Prasad S | 2004 | Molecular Crystals and Liquid Crystals2004，410，1： | 1 |
| 15 | Geometric Feature Recognition for Reverse Engineering using Neural Networks 显示文摘 | Jun Y Raja V Park S | 2001 | International Journal of Advanced Manufacturing Technology2001，17，6： | 1 |
| 16 | Study of the structure and corrosion behavior of PEO coatings on AM50 magnesium alloy by electrochemical impedance spectroscopy显示文摘 | GHASEMI A RAJA V S BLAWER C DIETZEL W KAINER K U | 2008 | Surface and Coatings Technology2008，202，15： | 1 |
| 17 | Impact of carbon nanotube exposure, dosage and aggregation on smooth muscle cells显示文摘 | Raja P M V Connolley J Ganesan G P | 2007 | Toxicol Lett2007，169，： | 1 |
| 18 | Incorporated tool selection system using object technology显示文摘 | FERNANDES KJ RAJA V H | 2000 | International Journal of Machine Tools and Manu facturing2000，40，： | 1 |
| 19 | Recent Trends in Continuous Casting Technology显示文摘 | Raja V R Pal N Jayaswal N P | 2005 | Steel Times International2005，29，4： | 1 |
| 20 | Role of coarse intermetallic particles on the environmentally assisted cracking behavior of peak aged and over aged Al-Zn-Mg-Cu-Zr alloy during slow strain rate testing显示文摘 | BOBBY M RAJA K V S | 2007 | J Mater Sci2007，42，： | 1 |
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