Browsing by Author "Krishnaveni C"

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    ANTIBACTERIAL EFFECT OF BULBOPHYLLUM NEILGHERRENSE WT. (ORCHIDACEAE). AN INVITRO STUDY
    (Ancient Science of Life, 2005-12) Priya K; Krishnaveni C
    The antibacterial activity of Bulbophyllum neilgherrense was tested against five species of bacteria, viz., Escherichia coli, Staphylococcus aureus, Bacillus pumilus, Pseudomonas aeruginosa and Pseudomonas putida Aqueous, ethanolic and chloroform soluble extracts of leaf and pseudobulb (5.50 w/v) were screened for their antibacterial potential. The zone of inhibition was seen to be largest when alcoholic extract was used.
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    ANTIPYRETIC POTENTIAL OF AQUEOUS LEAF EXTRACT OF ANNONA MURICATA.L AND SPERMACOCE ARTICULARIS. L.F. ON YEAST-INDUCED PYREXIA IN RATS
    (Innovare Academic Sciences Pvt Ltd, 2018) Maruvoor Arasi K; Krishnaveni C
    : The objective of this study is to evaluate the potential of in vivo antipyretic activity of the aqueous leaf extracts of Annona muricata L. and Spermacoce articularis. L.f.The acute oral toxicity was determined by the Organization of Economic and Cooperation Development-423 class methods, and the in vivo antipyretic activity was determined by brewer’s yeast induced pyrexia method The results showed that the aqueous leaf extract of A. muricata. L and S. articularis L.f plants is non-toxic and possessed significant antipyretic effect This study provides evidence for the antipyretic activity of A. muricata. L and S. articularis L.f. The aqueous leaf extract of S. articularis L.f at a dose of 400 mg/kg showed a more significant effect (p<0.01) in lowering the hypothermia than the extract of A. muricata L but found to have a similar effect as the standard drug aspirin (100 mg/kg)
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    GC-MS ANALYSIS OF BIOACTIVE COMPOUNDS PRESENT IN ETHANOLIC STEM BARK EXTRACT OF AN ENDEMIC PLANT CHIONANTHUS MALA-ELENGI (DENNST.) P.S. GREEN (OLEACEAE) (PDF)
    (EBSCO, 2020-04) Malathi K; Krishnaveni C; Sahithya S; Akila Shree J
    Traditional and herbal medicines are the most easily available health care remedies. Chionanthus mala-elengi (Dennst.) P. S. Green is an endemic tree species of the family Oleaceae. It is used in giddiness, epilepsy, wound healing and liver disease. Phytochemical studies of this plant have not been reported so far. The aim of the present study is to characterize the chemical constituents present in ethanolic stem bark extract of Chionanthus mala-elengi. Thirty grams of powdered stem bark was extracted using 150 ml ethanol in Soxhlet apparatus. The mixture was filtered. The filtrates were evaporated and the dried ethanolic stem bark extract was used for further studies. Gas Chromatography - Mass Spectrometry analysis provided different peaks indicating the presence of sixteen different phytochemical compounds. Thus, the qualitative determination of stem bark ethanolic extract of C. mala-elengi using GC-MS analysis revealed the presence of various bioactive compounds which is used for different ailments by traditional practitioners.
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    ISOLATION, IDENTIFICATION AND MOLECULAR CHARACTERIZATION OF ENDOPHYTIC FUNGI FROM THE LEAVES OF COELOGYNE SPECIES, AND THEIR ROLE AS AN ANTIMICROBIAL AGENT
    (Research Journal of Pharmacy and Technology, 2021) Akila Shree J; Krishnaveni C
    Endophytic fungi from Orchids believed to have an essential symbiotic relationship with the plant for both the germination of seeds and the development of young plantlets. Endophytes are microorganisms which live in the intercellular spaces of healthy host tissues without causing apparent symptoms. Endophytic fungi isolated from the medicinal plants are used for the development of drugs as they act as the source of bioactive compounds. This study has been designed to isolate the fungal endophytes from the leaves of three epiphytic orchid species (Coelogyne nervosa, A. Rich., Coelogyne mossiae, Rolf and Coelogyne cristata, Lindl) from the same genus Coelogyne, collected from Ooty flora, Coonoor. About five different endophytes were identified and their morphological characters were studied. Coelogyne cristata showed maximum colonization frequency. Among the five species, Fusarium species showed antibacterial activity against the gram-positive bacteria Bacillus Subtilis, a pathogen found in soil, water and food. Fungal genomic DNA isolated for molecular identification from the four fungal species.
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    PHYTOCHEMICAL AND ANTIMICROBIAL EVALUATION OF THE LEAVES OF ANTIARIS TOXICARIA, (LESCH)
    (Semantic Scholar, 2016) Kemila P; Krishnaveni C
    Antiaris toxicaria Lesch. commonly known as bark cloth tree. Its medicinal value is yet unexplored, hence this study forms a basis for the active components present in it and further isolation of the compound. The preliminary phytochemical screening in different solvent extracts of Antiaris toxicaria leaves, collected in the area Anaikatti, Coimbatore District exhibited variations in the presence of phytocompounds depends upon the polarity of solvents, the methanolic extract showed the presence of all phytoconstituents except alkaloids. In the present study, the methanol extract showed good antibacterial activity than chloroform and water extracts. It revealed that the methanol was the most effective solvent for the antibacterial activity. In antifungal activity, the aqueous and methanol extract showed good activity against Cuvularia lunata and Aspergillus flavus in which the zone of inhibition was higher against Aspergillus flavus.
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    POTENTIAL UTILIZATION OF A WEED PROSOPIS JULIFLORA LEAF EXTRACT NANOPARTICLE FOR DYE DEGRADATION AND ANTIBACTERIAL ACTIVITY
    (Bioremediation and Green Technologies, 2021-04-09) Sahithya S; Krishnaveni C
    The present study was conducted to evaluate the silver nanoparticle synthesized using leaf extract of Prosopis juliflora. For possible dye degradation and antibacterial activity on Gram positive and gram-negative bacteria (Bacillus subtilis and Pseudomonas putida). The acetone extract showed good anti-bacterial activity against both the organisms, the inhibitory effect increased with increase in concentration of the extract. The presence of Silver Nanoparticles in the leaf extract was observed by reduction of silver ions into silver nanoparticles. Fourier Transform Infra-Red (FTIR) analysis was done to detect the functional groups which will promote the antibacterial and dye degradation capabilites.
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    SURVEY OF ETHNO MEDICINAL PLANTS, NILGIRI BIOSPHERE NATURE PARK AT THUVAIPATHY, ANAIKATTI, COIMBATORE, TAMILNADU, INDIA
    (Plant Archives, 2019) Hemila P; Krishnaveni C
    An ethno medicinal Survey was conducted to collect information about medicinal plants used by Thuvaipathy tribal village people located in the forest area. About 180 medicinal plants are used in various health problems; Majority of the plant parts are stem, bark and leaves. The most representative families were Caesalpinaceae and Moraceae with 13 species each, Euphorbiaceae, and Mimosaceae with 9 species, Sapindaceae and Bignnoniaceae with 8 species each and Annonaceae and Apocynaceae with 6 species. The other families had 5 and below 5 species each associated with the treatment of the reports. The plants were found to be used in different forms such as juice, extracts, paste, powder, infusion. These ethno medicinal plants were used to treat ailments like cold, cough, headache, stomachache, dysentery, skin disease, poison bites, cut and wounds and diabetes.