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  • Biological activities of phenolic compounds extracted from flaxseed meal

    • Authors: Hussein, Ahmed M.;  Advisor: -;  Participants: Yaseen, Attia A.; Esmail, Ramadan M.; Mohammad, Ayman A. (2020)

  • The antioxidant activity of the PC extract of FM is considerably high when measuring it by the three methods (the β-carotene coupled oxidation method, the DPPH free radical scavenging activity method, and measuring the reducing antioxidant power). The toxicity test revealed that the PC extract was nontoxic on normal retina cell line. Also, it has no anticoagulating activity. Evaluation of antimicrobial activity showed that it is effective towards four strains only from seven. FM phenolic extract has been evaluated as chemo-preventive agents by testing the product for any cytotoxic activity against human tumor cell lines. The highest inhibitory effect was achieved on cell lines of colon carcinoma and lung carcinoma with IC50 = 22.3 and 22.6 μ/ml respectively.
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  • Antimicrobial and antioxidant activities of different extracts from Aspergillus unguis SPMD-EGY grown on different media

    • Authors: Hamed, A.A.;  Advisor: -;  Participants: Abdel-Aziz, M.S.; Abd El Hady, F.K. (2018)

  • Aspergillus unguis SPMD-EGY was isolated from the soft coral Sinularia sp. and was cultivated on different media. Three broth media potato dextrose broth (PDB), peptone yeast extract malt extract glucose (PYMG), and Dox media in addition to one solid medium (rice medium) were used for this purpose. The fungus was grown under shake and static conditions (for broth media only). Ethyl acetate extract from both mycelia and culture supernatant and the extract from the direct extraction of rice solid medium were tested for their antimicrobial and antioxidant activities. It has been found that PYMG medium (mycelia static and culture static) exhibited the highest antimicrobial activity against all test microbes except Aspergillus niger followed by PDB medium (culture static and mycelia stat...
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  • Active compounds and biological activity of in vitro cultures of some Echinacea purpurea varieties

    • Authors: Rady, M.R.;  Advisor: -;  Participants: Aboul-Enein, A.M.; Ibrahim, M.M. (2018)

  • ata revealed the effect of yeast extract on calli of the two varieties. Double Decker calli recorded maximum caffeic acid derivatives and total hydrolysable sugars after 30 days of cultivation using 1.5 g/l and 1.0 g/l yeast extract respectively whereas, in Rubinstern calli, the maximum caffeic acid derivatives and total hydrolysable sugars were recorded at 1.0 g/l after 30 days. Using 50 mM jasmonic acid, Double Decker calli recorded maximum values of caffeic acid derivatives and total hydrolysable sugars after 15 days. In Rubinstern calli, caffeic acid derivatives and total hydrolysable sugar recorded maximum values after 30 days at 200 mM jasmonic acid and after 15 days at 50 mM jasmonic acid, respectively.
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