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Paper Title
Qualitative and Quantitative Analysis of Phytochemical Studies on Brown Seaweed, Dictyota dichotoma
  Mohammed Deyab,  Taha Elkatony,  Fatma Ward

In recent years, the secondary metabolites (Phytochemicals) have been extensively investigated as a source of medicinal agents. The sample for the study constitutes Dictyota dichotoma from brown seaweed. It was collected from Hurghada, Red sea coast of Egypt. Four different extracts of Dictyota dichotoma were subjected to phytochemical analysis of secondary metabolites both qualitatively and quantitatively by preliminary phytochemical screening tests of ten different chemical compounds (alkaloids, terpenoids, steroids, tannins, saponins, flavonoids, phenols, coumarins, quinones and glycosides). The result of phytochemical screening of Dictyota dichotoma showed the presence of alkaloids, terpenoids, steroids, tannins, flavonoids, phenols, coumarins, quinones and glycosides and the absence of saponins. Among the four different extracts, ethyl acetate extract showed the presence of maximum number (9) of compounds. Next to that, Methanol extracts showed seven compounds. Hexane extracts showed six compounds and acetone extracts showed only four compounds. The estimation of total phenolics, tannins and flavonoids were observed in different extracts of Dictyota dichotoma. The quantitative phytochemical analyses revealed that secondary metabolites such as phenolics (2.14 ± 0.15 mg GAE/g dry wt) and flavonoids (1.72 ± 0.05 mg RUE/g dry wt) showed high amounts in methanol extract, while tannins (2.12 ± 0.45 mg CAE /g dry wt) showed high amounts in ethyl acetate extract.

Keywords- Seaweed, Secondary metabolites, Dictyota dichotoma, Phytochemical, solvents.
Publication Details
Unique Identification Number - IJEDR1602118
Page Number(s) - 674-678
Pubished in - Volume 4 | Issue 2 | May 2016
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Mohammed Deyab,  Taha Elkatony,  Fatma Ward,   "Qualitative and Quantitative Analysis of Phytochemical Studies on Brown Seaweed, Dictyota dichotoma", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.4, Issue 2, pp.674-678, May 2016, Available at :http://www.ijedr.org/papers/IJEDR1602118.pdf
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