Babar Ali

Jamia Hamdard University, New Delhi, NCT, India

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Publications (5)5.63 Total impact

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    ABSTRACT: Nigella sativa Linn. is extensively used in the Indian diasporas as spice, which may interact with co-administered drugs and affect their intestinal availability. The purpose of this study was to investigate the effect of Nigella on bioavailability of amoxicillin in animal model. Everted rat intestinal sacs were used for in vitro experiment to study the transfer of amoxicillin across the gut. Amoxicillin (6 mg/ml) was co-infused with 3 and 6 mg of methanol and hexane extract of Nigella seeds separately. The amount of amoxicillin that traversed the gut was followed spectrophotometrically at 273 nm. For in vivo studies Wistar albino rats were used. Amoxicillin (25 mg/kg, po) was co-administered with hexane extract of Nigella seeds (25 mg/kg, po). The amount of amoxicillin in rat plasma was determined by UPLC-MS/MS method. The in vitro studies both with methanol and hexane extracts of Nigella increased the permeation of amoxicillin significantly (P<0.001) as compared to control. Permeation was also found to be significantly higher for the hexane extract (P<0.001) in comparison to methanol extract at the same dose levels. In vivo experiments revealed that Cmax of amoxicillin in rat plasma when administered orally alone and in combination with hexane extract increased correspondingly from 4138.251 ± 156.93 to 5995.045 ± 196.28 ng/ml while as AUC 0→t increased from 8890.40 ± 143.33 to 13483.46 ± 152.45 ng/ml.h. Nigella enhanced amoxicillin availability in both in vivo and in vitro studies. As the increase in bioavailability is attributed, in part, to enhanced diffusivity across intestine, our study indicated that Nigella increased intestinal absorption of amoxicillin.
    The Indian Journal of Medical Research 04/2012; 135(4):555-9. · 2.06 Impact Factor
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    ABSTRACT: This study was undertaken to quantify psoralen and daidzein by high-performance thin layer chromatography (HPTLC). The methanolic extract of 10 mg mL(-1) concentration solution was prepared for HPTLC quantification of psoralen and daidzein. HPTLC aluminium-backed plates coated with 0.2 mm layers of silica gel 60 F(254) were used as the stationary phase. The working standard solution of psoralen and daidzein was applied along with the test sample solution by means of Camag Linomat IV sample applicator. R (f) values of psoralen and daidzein were found to be 0.60 and 0.88, whilst as their percentage values in methanolic extract were found to be 3.02% and 5.64% (w/w), respectively. A simple quantitative estimation method of psoralen and daidzein by HPTLC is reported that can be used for the quality control of marketed preparations containing Ficus carica. However, further study is warranted to isolate and quantify active constituents present in the leaves of F. carica by sophisticated techniques.
    Natural product research 06/2011; 25(17):1666-70. · 1.01 Impact Factor
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    ABSTRACT: Ficus carica Linn. (Moraceae) is commonly known as edible fig. The leaves, roots, fruits and latex of the plant are medicinally used in different diseases. The leaves are claimed to be effective in various inflammatory conditions like painful or swollen piles, insect sting and bites. However, there has been no report on anti-inflammatory and antioxidant activity of F. carica leaves. Therefore the aim of this study was to evaluate the anti-inflammatory and antioxidant activity of F. carica leaves. Our study validated the traditional claim with pharmacological data. Anti-inflammatory and antioxidant activity of the drug could be due to the presence of steroids and flavanoids, respectively, which are reported to be present in the drug. Furthermore, the anti-inflammatory activity of the drug could be due to its free radical scavenging activity. Further work is also required to isolate and characterise the active constituents responsible for the anti-inflammatory activities.
    Natural product research 01/2011; 26(5):460-5. · 1.01 Impact Factor
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    ABSTRACT: The ethanolic extract of Ficus carica leaves was screened for hepatoprotective and antioxidant activity in hepatotoxic Albino rats induced via carbon tetrachloride. The degree of protection was measured by estimating biochemical parameters such as serum glutamate Oxaloacetate transaminase (SGOT), serum glutamate pyruvate transaminase ( SGPT),totalprotein (TP), totalalbumin (TA), alkaline phosphatase (ALKP) and the level of total serum bilirubin. The extract in addition reduced CCl4 induced lipid peroxidation in - vivo and in - vitro. The ethanolic extract (50 mg/kg, 100mg/kg,200mg/kg)exhibited significant hepatoprotection incarbontetra chloride in toxicated rats in a dose dependant manner. The hepatoprotective effects of the extract were comparable with the standard drug silymarin 10)mg/kg body weight, IP).
    Iranian journal of pharmaceutical research (IJPR) 01/2011; 10(2):301-6. · 0.54 Impact Factor
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    ABSTRACT: The chemical composition of the solvent extracted fixed oil of black cumin (Nigella sativa L.) seeds was determined by capillary GC and GC/MS. Thirty-two fatty acids (99.9%) have been identified in the fixed oil. The major fatty acids were linoleic acid (50.2%), oleic acid (19.9%), margaric acid (10.3%), cis-11,14-eicosadienoic acid (7.7%) and stearic acid (2.5%). The effect of black cumin oil on in vitro percutaneous absorption of the model lipophilic drug carvedilol was investigated using excised rat abdominal skin. Transdermal flux, permeability coefficient and enhancement factor were calculated for different concentrations of oil in isopropyl alcohol. Black cumin oil (5% v/v) exhibited the highest enhancement in permeation. The increase in the permeability of the drug is due to increased drug diffusivity through the stratum corneum under the influence of black cumin oil. A higher content of linoleic acid (and other unsaturated fatty acids) in the oil has been postulated to be responsible for the enhancement of in vitro percutaneous absorption of the drug.
    Natural product research 07/2010; 24(12):1151-7. · 1.01 Impact Factor