Phd Thesis On Antimicrobial Activity Of Medicinal Plants

Phd Thesis On Antimicrobial Activity Of Medicinal Plants-26
The biochemical compounds in safflower are reported to be flavonoids, triterpene alcohols, polysaccharides and lignans. curcas, have shown to display potent antimicrobial activities in different assays. curcas were collected from the college of Agricultural and Natural Resources, University of Bakht Al-Ruda (Ed Dueim, White Nile State, Sudan). They were isolated and purified on nutrient agar plates, characterized and identified. Thus, there is no uncertainty that Carthamus tinctorius is the one source for medicinal material in the pharmacopeia in many countries, especially the People’s Republic of China. oleifera) belongs to the genus of family Moringaceae. Many studies have identified certain compounds as flavonoid derivatives (e.g., kaempferol, rhamnetin, isoquercitrin and kaempferitrin), alkaloid compounds (e.g., pterygospermin, moringin and moringinine) and 4-(L-rhamnosyloxy) benzyl isothiocyanate, which may act as antibacterial agents. The extracts of many Jatropha species, including J. spp were obtained from the Department of Plant Biotechnology, University of Khartoum, Sudan. The active substances were in most cases antibacterial and only 3 possessed antifungal activity.

The biochemical compounds in safflower are reported to be flavonoids, triterpene alcohols, polysaccharides and lignans. curcas, have shown to display potent antimicrobial activities in different assays. curcas were collected from the college of Agricultural and Natural Resources, University of Bakht Al-Ruda (Ed Dueim, White Nile State, Sudan). They were isolated and purified on nutrient agar plates, characterized and identified. Thus, there is no uncertainty that Carthamus tinctorius is the one source for medicinal material in the pharmacopeia in many countries, especially the People’s Republic of China. oleifera) belongs to the genus of family Moringaceae. Many studies have identified certain compounds as flavonoid derivatives (e.g., kaempferol, rhamnetin, isoquercitrin and kaempferitrin), alkaloid compounds (e.g., pterygospermin, moringin and moringinine) and 4-(L-rhamnosyloxy) benzyl isothiocyanate, which may act as antibacterial agents. The extracts of many Jatropha species, including J. spp were obtained from the Department of Plant Biotechnology, University of Khartoum, Sudan. The active substances were in most cases antibacterial and only 3 possessed antifungal activity.

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The polypodiaceous ferns constitute a rich group of which Microsorium alternifolium, Leptochillus decurrens, Polypodium irioides, Pyrrosia mannii and Phymatodes ebenipes deserve special mention.

Several thelypteroid, davalloid and athyroid ferns were also fairly active.

Antimicrobial activity of the leaf extracts of Moringa oleifera and Jatropha curcas on pathogenic bacteria.

Genetic diversity and oil quality of Guizotia cass.

The sample was then ground into a powder using a mortar and pestle and kept in dark, airtight bottles for the extraction process. The same quantities of the powdered seed material were again percolated with ethanol and hexane, following the same method, in order to obtain three extracts per sample, namely, water, ethanolic and hexane extracts. Discs (6 mm diameter) impregnated with the seed extracts (water, ethanol andhexane) were aseptically placed onto the agar surface and thereafter incubated at 37°C for 24 h. aureus showed the same zone of inhibition (ZI) (1.0±0.0) against hexane extracts (50%) (Fig. Interestingly, the ethanol and hexane solvent extracts (50 and 30%) showed against E coli (5.9±0.10 mm). The lowest zone of inhibition (ZI) was found with the water extract (50%) against S. curcas was significantly higher (1.8±0.02 and 1.3±0.02 mm) against E. Based on the results obtained, both ethanol and hexane extracts showed different rates of inhibitory effect on both gram-positive and gram-negative bacteria.

All the extractions were conducted by following the methods of Okorondu et al. Approximately 10, 30 and 50 g of the powdered Carthamus, Moringa and Jatropha seeds were percolated into 100 m L water and kept for 24 h. The inhibition zone was observed and then recorded in millimeters using a transparent meter ruler. Statistical analysis: The experiments were performed in a completely randomized design. In the same manner, the hexane extract inhibited E. It is hoped that these results will lead to the identification of compounds that could help to establish antibacterial drugs from natural products. Antimicrobial Activity of the Seed Extracts of Carthamus tinctorius, Moringa oleifera and Jatropha curcas on Pathogenic Bacteria. DOI: 10.3923/pjn.20 URL: https://scialert.net/abstract/? doi=pjn.20 Received: March 13, 2018; Accepted: September 14, 2018; Published: December 15, 2018 Copyright: © 2019. Evaluation of the anti-nociceptive potential of ethanolic extract of leaves of Bryophyllum pinnatum in experimental animals. MATERIALS AND METHODS Sample collection: Healthy seeds of C. Preparation of seed extracts: Each plant seed sample was washed and air dried at ambient temperature (25°C). Approximately 0.5 m L of the previously prepared inoculum of the dilute cultures was aseptically inoculated onto the surface of sterile Petridishes containing sterile solid nutrient agar. These results were consistent withthose reported by other researchers Figure 3 shows that the zone of inhibition for the hexane and ethanol extracts of J. However, the lowest zone of inhibition (0.60±0.012 mm) was shown with the water extract against B. Generally, the different seed extracts revealed a concentration-dependent inhibition effect on the bacteria tested. Cytotoxicity, mutagenicity and antimicrobial activity of forty Jordanian medicinal plants. The World Health Organization (WHO) has estimated that up to 80% of people worldwide still rely mainly on traditional remedies such as herbs for their medicines.Plants are also alternatives to antibiotics and have fewer side effects compared to allopathic medicine [1].The Zingiberaceae family constitutes a vital group, medicinal and aromatic plants which characterized by the presence of volatile oils and oleoresins of export value [2].The rhizomes and roots of are characterized as bitter, astringent, purgative, anthelmintic, antioxidant, antitumor improves digestion and stimulant [2-6].This study may also help researchers to discover novel drugs from a natural antibacterial source to control some bacterial infections or use as a food additive to control . ACKNOWLEDGMENTS The authors are grateful to the Department of Food Science and Technology and the Faculty of Agricultural and Natural Resources for providing some of the reagents and equipment for this work. Twenty species were inhibitory to penicillin-resistant Staphylococcus aureus, 16 against Mycobacterium phlei, 24 against Salmonella typhi, 16 against Vibrio cholerae and 3 against Pseudomonas aeruginosa.Only Dryopteris coch-leata was active against both bacteria and fungi.

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