Posted by admin on Jun 1, 2011 in |
The present study was aimed to evaluate the antioxidant activity of A.sessilis plant extracts in different solvents. The antioxidant activity was studied by phosphomolybdate method and DPPH method. In phosphomolybdate method the highest activity was shown by methanolic extract (12.044 mM of ascorbic acid eqvt/gm of sample). The highest radical scavenging activity by DPPH method was found in methanol extracts (IC 50 587.093µg/ml). Ferrous chelating activity, superoxide radical scavenging activity, nitric oxide radical scavenging activity was found high in acetone, acetone and methanol extracts respectively. Total Flavonoids and crude phenolics were found to be 0.370 mg/gm dry wt. and 1.529 mg/gm dry wt. respectively. The antioxidant activity increases with increase in the concentration. This study indicates that A.sessilis is a potential source of natural antioxidant....
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Posted by admin on Jun 1, 2011 in |
Some N-{4-[(6-chloro-4-oxo-4H-chromen-3-ylmethylene) imino] phenyl}-2-(substituted phenoxy) acetamide derivatives (3) were synthesized by reacting N-{4-[(6-chloro-4-oxo-4H-chromen-3-ylmethylene) imino] phenyl}-2-chloroacetamide (2) with some substituted phenol in dry acetone in the presence of K2CO3 and catalytic amount of KI. The chemical structures of the compounds were elucidated by IR, 1H-NMR and elemental analysis. Their antibacterial activity against gram positive bacterial strains (S. aureus and B. subtilis) and gram negative bacterial strains (E. coli and P. aeruginosa) were investigated by disc diffusion method. The antifungal activity of these compounds was also tested against A. niger and A. flavipes. The results showed that some of the compounds have strong antimicrobial...
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Posted by admin on Jun 1, 2011 in |
Nutritional deficiency is almost impossible to avoid in these modern times, thus natural supplements help us to overcome the nutritional deficiencies. It also helps us to boost our immune system. Nutritional supplements are also useful in getting rid of the toxins that are accumulated in our body. Thus, the five natural supplements that are mentioned below are tested for the various parameters that include the basic Quality Control Parameters, the phyto chemical analysis, Microbial Analysis that includes the testing for the presence of pathogens along with the total bacterial and fungal count. It is also tested for the presence of heavy metals in them, followed by Aflatoxin and Pesticide analysis. The Nutritional Value for each of them were determined and calculated. The actives of Garcinia Capsule, Ginger Capsule and Holy Basil Capsule were confirmed by the HPLC...
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Posted by admin on Jun 1, 2011 in |
A series of 1, 3, 4-thiadiazole derivatives were synthesized. The structures of these compounds were established by means of IR, 1H-NMR and mass spectrum analysis. All the compounds were evaluated for antibacterial and antifungal activities. Most of the compounds have shown significant antibacterial and antifungal activity when compared with the standard...
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Posted by admin on Jun 1, 2011 in |
Aim of study is to evaluate the potential anti-tussive activity in a mouse model induced by sulphur dioxide gas of ethanolic extract of “Rosa centifolia”. The ethanol extract of Rosa centifolia (250mg/kg 500 mg/g p.o) showed significant anti-tussive activity, the cough inhibition (35% and 57% respectively) and being comparable to that of 10-20mg/kg of codeine phosphate (41 and 64% respectively).The effect of ethanolic extract on the trachea was also tested it did not relax pre-contractions in guinea pig trachealis induced by KCl and...
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