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Antibacterial Activities of Seaweed Extracts/Fractions Obtained through a TLC Profile against the Phytopathogenic Bacterium Xanthomonas oryzae pv. oryzae
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K. Arun umar
Published/Copyright:
June 1, 2005
Abstract
Petroleum ether extracts and unsaponified fractions of red and green seaweeds and methanol extracts, lipophilic fractions and unsaponified fractions of brown seaweeds separated on TLC were tested for their efficacy against Xanthomonas oryzae pv. oryzae. Two active zones from red seaweeds, one to five from brown seaweeds and two to three from green seaweeds were isolated through TLC profiles. Among eleven seaweeds Gracilaria edulis, Sargassum wightii and Enteromorpha flexuosa showed high antibacterial activity. The Rf 0.30 substance obtained from unsaponified fractions of E. flexuosa showed the maximum antibacterial activity against the test bacterium.
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Published Online: 2005-06-01
Published in Print: 2000-09-07
Copyright (c)2000 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Evaluation of Antibacterial Potential of Seaweeds Occurring along the Coast of Tamil Nadu, India against the Plant Pathogenic Bacterium Xanthomonas oryzae pv. oryzae (Ishiyama) Dye
- Antibacterial Activities of Seaweed Extracts/Fractions Obtained through a TLC Profile against the Phytopathogenic Bacterium Xanthomonas oryzae pv. oryzae
- Seasonal Dynamics of Dinophysis in Coastal Waters of the NW Adriatic Sea (1990-1996)
- Non-Geniculate Coralline Algae (Corallinales, Rhodophyta) on Heron Reef, Great Barrier Reef (Australia)
- Notes on the Marine Algae of the Bermudas. 5. Some Delesseriaceae (Ceramiales, Rhodophyta), Including the First Record of Hypoglossum barbatum Okamura from the Atlantic Ocean
- Removal of Heavy Metals from Solution Using Dried Brown Seaweed Material
- Chemical Composition and Structure of Sulphated Water-Soluble Cell-Wall Polysaccharides from the Gametic, Carposporic and Tetrasporic Stages of Asparagopsis armata Harvey (Rhodophyta, Bonnemaisoniaceae)
- Observations on the Biology and Ecology of Selected Macroalgae from the Littoral of São Miguel (Azores)
