Differential solvent extraction of two seaweeds and their efficacy in controlling Aeromonas salmonicida infection in Oreochromis mossambicus: A novel therapeutic approach
The present study uses two differential extraction methods (sequential, maceration) to identify bioactive compounds present in two seaweeds Gracilaria folifera and Sargassum longifolium. Five different solvents namely Petroleum ether, Dichloromethane, Chloroform, ethanol and water were used. The bio...
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| Veröffentlicht in: | Aquaculture 2015-06, Vol.443, p.56-64 |
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| container_title | Aquaculture |
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| creator | Thanigaivel, S. Vidhya Hindu, S. Vijayakumar, S. Mukherjee, Amitava Chandrasekaran, Natarajan Thomas, John |
| description | The present study uses two differential extraction methods (sequential, maceration) to identify bioactive compounds present in two seaweeds Gracilaria folifera and Sargassum longifolium. Five different solvents namely Petroleum ether, Dichloromethane, Chloroform, ethanol and water were used. The bioactive compounds present in the extracts showed antioxidant and antibacterial activities against Aeromonas salmonicida. Ethanol and aqueous extracts of these seaweeds were found to have better antibacterial activity against bacterial diseases in fish when compared to the other extracts. Toxicological and in vivo pathogenicity studies were performed with the highest concentration of 250mg/l of extracts. The compounds identified by GC–MS which were found to have antibacterial activity were prepared in the form of a colloidal suspension for oral treatment. The use of algal extracts in aquaculture disease management is a cost effective and eco-friendly approach. These extracts could be used as prophylactics.
•Antioxidant capacity•Bacterial fish pathogen•Bioactive compounds•Control by sea weed extract |
| doi_str_mv | 10.1016/j.aquaculture.2015.03.010 |
| format | Article |
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•Antioxidant capacity•Bacterial fish pathogen•Bioactive compounds•Control by sea weed extract</description><subject>Aeromonas salmonicida</subject><subject>Algae</subject><subject>Antimicrobial agents</subject><subject>Antioxidant and antibacterial activity</subject><subject>Antioxidants</subject><subject>Aquaculture</subject><subject>Extraction processes</subject><subject>Fish pathogen</subject><subject>GC–MS</subject><subject>Gracilaria</subject><subject>In vivo treatment</subject><subject>Oreochromis mossambicus</subject><subject>Sargassum</subject><subject>Seaweeds</subject><subject>Solvents</subject><issn>0044-8486</issn><issn>1873-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNkcuOEzEQRVsIJMLAPxixYdONH_1ws4vCUxppNrC23OUyceTYGdudYX6Jr8RRWCBWrHwtnbr1uE3zmtGOUTa-O3T6ftWw-rIm7DhlQ0dFRxl90myYnEQ7jJw_bTaU9n0rezk-b17kfKCUjuPANs2vD85aTBiK057k6M9VEvxZkobiYiDRkvIQSUb9gGgy0cGQskeXCFrrQMMjcYFADCVF7134QbaY4jEGnUnWvgoHzugKWbw6VvwuYYR9xVwmx5izPi4O1vyebEmIZ_SXDkmfcC0OiD6dUtSwf9k8s9pnfPXnvWm-f_r4bfelvb37_HW3vW1BSF5abgZGRzsg2N7M4wz9Mg1m0cj1YsQyDJOcYbCLYGaBnsM4Vc05hUks9SvETfP26lvb3q-Yi6pjAnqvA8Y1KzYJLhnlUlb0zT_oIa4p1OkUGych-1mIuVLzlYJUd01o1Sm5o06PilF1SVEd1F8pqkuKigpVU6y1u2st1o3PDpPK4DAAGpfqPZWJ7j9cfgPXSLGe</recordid><startdate>20150601</startdate><enddate>20150601</enddate><creator>Thanigaivel, S.</creator><creator>Vidhya Hindu, S.</creator><creator>Vijayakumar, S.</creator><creator>Mukherjee, Amitava</creator><creator>Chandrasekaran, Natarajan</creator><creator>Thomas, John</creator><general>Elsevier B.V</general><general>Elsevier Sequoia S.A</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QR</scope><scope>7ST</scope><scope>7TN</scope><scope>7U7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H94</scope><scope>H95</scope><scope>H98</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20150601</creationdate><title>Differential solvent extraction of two seaweeds and their efficacy in controlling Aeromonas salmonicida infection in Oreochromis mossambicus: A novel therapeutic approach</title><author>Thanigaivel, S. ; 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| source | Elsevier ScienceDirect Journals |
| subjects | Aeromonas salmonicida Algae Antimicrobial agents Antioxidant and antibacterial activity Antioxidants Aquaculture Extraction processes Fish pathogen GC–MS Gracilaria In vivo treatment Oreochromis mossambicus Sargassum Seaweeds Solvents |
| title | Differential solvent extraction of two seaweeds and their efficacy in controlling Aeromonas salmonicida infection in Oreochromis mossambicus: A novel therapeutic approach |
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