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1.  Biodeterioration in Emblica based Medicinal products and their Aflatoxin contamination 
Ancient Science of Life  2011;30(3):65-71.
In the present investigation, Emblica officinalis Gaerth. Syn Phyllanthus emblica linn. has been selected on account of its large scale use in manufacture of indigenous drugs. Among the various fungal, species, Aspergillus flavus was the most dominant and frequent species in most of food stuffs studied. The total population of Aspergillus. flavus was recorded in range of 20.30 × 103 - 89.50 × 103 colonies/g in dried Aonla, 8.00 - 42.25 × 103 colonies/g in dried Aonla, 8.00 - 42.25 × 103 colonies/g Triphala, 1.25 × 103 - 19.83 × 103 colonies/g in hair oil and 1.20- 27.00 × 103 colonies/g in Aonla syrup. Minimum 26.66% percentage incidence of aflatoxin contamination was recorded in samples where the frequency of Aspergillus flavus was 91.50%.
PMCID: PMC3336256  PMID: 22557430
Aflatoxin; Biodeterioration; Emblica officinalis
2.  Diuretic activity of the leaves of Coleus aromaticus Benth 
Ancient Science of Life  2009;29(1):20-21.
The aqueous and ethanolic extract of leaves of Coleus aromaticus was evaluated for diuretic activity. Both extracts were evaluated by determination of urine volume and electrolyte concentration in albino rats. Results revealed that both the aqueous and ethanolic extract at dose 500mgl kg showed significant diuretic activity by increasing the total volume of urine and concentration electrolyte. Furosamide (10 mg/kg) was used as reference drug while normal saline (0.9%) solution was used as control.
PMCID: PMC3336299  PMID: 22557339
Diuretic activity; Coleus aromaticus; Furosamide
3.  In vitro antioxidant studies of the ethanolic extract of Tephrosia purpurea L. 
Ancient Science of Life  2007;27(1):26-30.
The ethanolic extract of the root of Tephrosia purpurea was screened for in vitro antioxidant properties using standard procedures. The ethanolic extract exhibited IC50 values of 132.31±8.79 and 405.22±15.09 respectively in DPPH and nitric acid radical inhibition assay. These values were slightly more than those obtained for ascorbic acid and rutin used as standard. The findings justify the therapeutic application of the plant in the indigenous system of medicine, augmenting its therapeutic value.
PMCID: PMC3330837  PMID: 22557256
Tephrosia purpurea; DPPH; Nitric oxide; Free radical scavenging
4.  Antimicrobial Activity of Root Bark of Salacia reticulata 
Ancient Science of Life  2005;25(1):4-7.
Antimicrobial activity of chloroform and methanolic extracts of Salacia reticulata were tested against gram positive, gram negative and fungus strains using zone of inhibition and minimum inhibitory concentrations. It was observed that both extracts have inhibitory effect towards all microorganisms used in the test. Chloroform extract was more effective than methanolic extract.
PMCID: PMC3330890  PMID: 22557181

Results 1-4 (4)