The world's oceans covering more than 70% of the surface represents by marine organisms. By-products are used in very large quantity and variety of food production occur having important health benefits. The FT-IR shows the following characteristic peaks of alginate appeared at 3429, 1620 and 1421 cm 1 corresponding to hydroxyl (OH), carbonyl (C=O) and carboxyl (COOH), respectively. The IR spectrum of F-C-SA shows characteristics peaks of fibrin, chitosan and sodium alginate.
This is the first report on larvicidal and repellent practises in polyherbal repellent (PHR) formulation BIHER01 (Bharath Institute for Higher Education and Research 01) and its components. Our findings showed that polyherbal (POLH) extracts are promising and noteworthy larvicides for Culex quinquefasciatus which can be linked to polyphenols such as flavonoids, phenols, tannins, alkaloids, saponins, terpenoids, tri-terpenoids, glycosides, cardiac glycosides, protein, carbohydrates, acids and steroids. Based on the time periods used, either a synergist or an antagonistic effect of the phytoconstituents was observed against larvae. On the other hand, owing to its high potential for repellence, PHR was known as an active repellent for Culex quinquefasciatus. Nevertheless, further studies are necessary to establish the contribution to mode of action and repellence of the major and minor elements of POLH extract.
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