scholarly journals Time-kill kinetics and antibacterial activity of root extract of Adenodolichos paniculatus (Hua) Hutch & Dalz (Fabaceae)

2021 ◽  
Vol 18 (2) ◽  
pp. 95-102
Author(s):  
Friday I. Kyahar ◽  
Edith A. Onwuliri ◽  
Joseph O. Ehinmidu ◽  
Peters O. Oladosu
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Streptococcus Pyogenes ◽  
Antibacterial Activities ◽  
Root Extract ◽  
Log Reduction ◽  
Zones Of Inhibition ◽  
Time Kill

Medicinal plants have been used in treatment of illness from time immemorial. Adenodolichos paniculatus is a medicinal plant used for traditional remedy of sore throat infections. This study therefore, evaluated the antibacterial activities of the root extracts and time-kill kinetics of the most potent extract. Five extracts, obtained by maceration using n-hexane, chloroform, ethyl acetate, methanol and water sequentially were evaluated for antibacterial activities and time-kill kinetics against Streptococcus pyogenes, Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli. Chloroform root extract at 100 mg/ml was active against Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa with zones of inhibition 25.00, 21.00 and 14.75 mm respectively but not against Escherichia coli. Minimum inhibitory concentrations were 1.56, 6.25 and 25.00 mg/ml respectively and the minimum bactericidal concentrations were 3.12, 12.50 and 50.00 mg/ml. Complete elimination of S. pyogenes, S. aureus and P. aeruginosa was achieved at concentrations 1.56 mg/ml, 6.25 mg/ml and 25.00 mg/ml within 300, 720 and 960 minutes exposure respectively and at concentrations 3.12 mg/ml, 25.00 mg/ml and 50.00 mg/ml within 180, 300 and 720 minutes exposure respectively. Chloroform root extract has the potential to be used as antibacterial agent and was better than the other solvent extract two-fold. Keywords: Adenodolichos paniculatus; Antibacterial activity; Time-kill kinetics; Percentage reduction, Log reduction

scholarly journals Evaluation of the Antibacterial Activities of Isolated Bioactive Components from the plant Adenodolichos paniculatus

2021 ◽  
Vol 19 (2) ◽  
pp. 429-447
Author(s):  
A.E. Onwuliri ◽  
I.F. Kyahar ◽  
J.O. Ehinmidu ◽  
P.O. Oladosu
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Stearic Acid ◽  
Streptococcus Pyogenes ◽  
Antibacterial Activities ◽  
Bioactive Components ◽  
Octadecanoic Acid ◽  
Zones Of Inhibition ◽  
Rf Values ◽  
Component C

The three bioactive components isolated included: component A (major phytochemicals were Bis (2-ethylhexyl) phthalate (16.36 %), 9,12-Octadecadienoic acid, ethyl ether (14.77 %) and 9.cis., 11.trans.-octadecadie noate (14.77 %), component B (major phytochemicals were 9,12-Octadecadienal (Linoleic acid) (40.98 %), Octadecanoic acid (Stearic acid) (9.26 %), Undecanoic acid, 10-bromo- (10-bromoudecanoic acid) (9.26 %) and n-Hexadecanoic acid (Palmitic acid) and component C (cis-9-octadecenoic acid (Oleic Acid) (30.45 %), Octadecanoic acid (Stearic acid) (17.33 %)). These components isolated from the chloroform fraction of Adenodolichos paniculatus are used by traditional medicinal practitioners for the management of mouth and throat infections. The antibacterial activities against Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa were evaluated using bioautography and agar-well diffusion methods. The bioautogram result showed that component A had inhibited spots against S. pyogenes (17.50 mm) and P. aeruginosa (16.00 mm), corresponding to the TLC spots with Rf values of 0.594, 0.55 and 0.26, respectively. Component B showed inhibition spots against Streptococcus pyogenes (36.50 mm), Staphylococcus aureus (16.00 mm) and Pseudomonas aeruginosa (11.00 mm), corresponding to the TLC spots with Rf values 0.891, 0.87, 0.85 and 0.25, respectively. Component C showed inhibition spots against Streptococcus pyogenes (16.50 mm), Staphylococcus aureus (15.00 mm) and Pseudomonas aeruginosa (10.50 mm), corresponding to the TLC spots Rf values of 0.938, 0.44, 0.21 and 0.90, respectively. For the agar-well diffusion method, component A at 1 mg/ml inhibited Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa growths with zones of inhibition 23.0, 19.5 and 17.50 mm, respectively. MIC and MBC of component A were 125, 250 and 250 and 250, 500 and 500 μg/ml, respectively. Component B at 1 mg/ml inhibited Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa growth with zones of inhibition 30.0, 28.0 and 18.5 mm, respectively. MIC and MBC of the compound B were 31, 62 and 125 and 62, 125 and 250 μg/ml, respectively. Component C at 1 mg/ml inhibited Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa growth with zones of inhibition 24.5, 20.5 and 17.0 mm, respectively. MIC and MBC of the component C were 62, 125 and 250 and 125, 250 and 500 μg/ml, respectively. This study confirmed that bioactive compounds of A. paniculatus root have antibacterial properties and support the use of this part of the plant as a traditional remedy for mouth and throat infections possibly caused by the test bacteria.

scholarly journals Potential Antibacterial Activity of Two Important Local Chewing Sticks “Fagara zanthoxyloides and Distemonanthus benthamianus” along with Antioxidant Capacities

2019 ◽  
Vol 18 (2) ◽  
pp. 223-232
Author(s):  
AO Shittu ◽  
A Aliyu ◽  
MS David ◽  
NS Njinga ◽  
HI Ishaq
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Antibacterial Activity ◽  
Antioxidant Activities ◽  
Diffusion Method ◽  
Phytochemical Screening ◽  
Zones Of Inhibition ◽  
Chewing Sticks

In order to authenticate and ascertain the various claim by the rural dwellers that depend on chewing sticks for their oral hygiene and protection against innumerable diseases, the antibacterial activity of the roots of Fagara zanthoxyloides and Distemonanthus benthamianus were evaluated. Preliminary phytochemical screening was carried out using standard methods. In-vitro antibacterial activity of the methanol extracts of both plants was also carried out using the agar well diffusion method against standard strains of Staphylococcus aureus ATCC 25923, Pseudomonas aeruginosa ATCC 27853, Escherichia coli ATCC 25922, Salmonella typhii ATCC 14028, Citrobacter freundii ATCC 8090 and also some clinical isolates of Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae and Proteus mirabilis at different concentrations and ratios. Preliminary phytochemical screening showed that the extracts contained alkaloids, saponin, tannins, steroids, flavonoids, anthraquinones, cardiac glycosides and phenol. All the test microorganisms were susceptible to the inhibitory effect of the extracts at concentrations of 200 mg/ml and 500 mg/ml. F. zanthoxyloides had better antimicrobial activity with zones of inhibition ranging from 21.0 to 26.0 mm at 200 mg/ml and 24.3 to 29.3 mm at 500 mg/ml while D. benthamianus had zones of inhibition ranging from 17.7 to 26.7 mm at 200 mg/mL and 19.0 to 26.7 mm at 500 mg/mL. Some of the test microorganisms were resistant to the standard antibiotics (cefuroxime, ciprofloxacin, ofloxacin and gentamicin). Combinations of the extracts in ratios 50:50 and 75:25 yielded no increase in activity. The MIC and MBC for D. benthamianus ranged from 6.25 mg/ml to 100 mg/mL and 25 to 200 mg/ml, respectively while that of F. zanthoxyloides ranged from 1.56 mg/ml to 12.5 mg/mL and 50 to 200 mg/ml, respectively. The antimicrobial activity demonstrated by F. zanthoxyloides and D. benthamianus indicates that they would be valuable in the management of urinary, respiratory and gastrointestinal tracts infections while at the same time helping to mitigate the problem of antimicrobial resistance. Phenolic compounds of plants, among them flavonoids are the chief constituents, which have potent antioxidant activities Dhaka Univ. J. Pharm. Sci. 18(2): 223-232, 2019 (December)

Structure of plantaricin locus of Lactobacillus plantarum 8P-A3

2011 ◽  
Vol 2 (4) ◽  
pp. 255-261 ◽  
Author(s):  
A. Tsapieva ◽  
N. Duplik ◽  
A. Suvorov
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Sequence Analysis ◽  
Lactobacillus Plantarum ◽  
Streptococcus Pyogenes ◽  
Antagonistic Activity ◽  
Wide Range ◽  
Encoding Genes

Lactobacillus plantarum 8P-A3 is a strain which is well known on the Russian pharmaceutical market and it is included in several probiotic products. The strain has been widely used since 1973 but the mechanisms of its antibacterial activity were unknown. L. plantarum 8P-A3 expressed high antagonistic activity against the wide range of bacterial pathogens including Streptococcus agalactiae, Streptococcus pyogenes, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Klebsiella pneumoniae strains. DNA sequence analysis of L. plantarum 8P-A3 genome revealed the presence of a complete plantaricin locus of about 20,000 bp encoding genes of at least two bacteriocins – plantaricins EF and NC8. The plantaricin locus found in L. plantarum 8P-A3 is homologous to the plantaricin cluster in L. plantarum J51.

scholarly journals Antibacterial Activity of the Crude Extract and Constituents of Vismia Baccifera Var. Dealbata (Guttiferae) Collected in Venezuela

2007 ◽  
Vol 2 (2) ◽  
pp. 1934578X0700200 ◽  
Author(s):  
Fabiola Salas ◽  
Judith Velasco ◽  
Janne Rojas ◽  
Antonio Morales
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Klebsiella Pneumoniae ◽  
Enterococcus Faecalis ◽  
Crude Extract ◽  
Antibacterial Activities ◽  
Disc Diffusion ◽  
Agar Method

The antibacterial activities of the crude extract of Vismia baccifera var. dealbata Triana & Planch and of compounds isolated from it (sesamin, friedelin and vismiaquinone) were evaluated against Staphylococcus aureus (ATCC 25923), Enterococcus faecalis (ATCC 29212), Escherichia coli (ATCC 25992), Klebsiella pneumoniae (ATCC 23357), and Pseudomonas aeruginosa (ATCC 27853) using the disc diffusion agar method. The results obtained have revealed antibacterial activity against S. aureus, E. faecalis and P. aeruginosa, pathogen opportunists that become resistant to the antibiotics frequently used. According to the literature consulted, this is the first report of the antibacterial activity of the crude extract of V. baccifera and its constituents.

scholarly journals Aktivitas Antibakteri Minyak Atsiri Kulit Kayu Akway (Drimys piperita Hook. f.) pada Beberapa Tingkat Konsentrasi, Keasaman (pH) dan Kandungan Garam

2019 ◽  
Vol 8 (4) ◽  
pp. 149
Author(s):  
Gino Nemesio Cepeda ◽  
Meike Meilan Lisangan ◽  
Isak Silamba
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Sodium Chloride ◽  
Essential Oil ◽  
Bacillus Cereus ◽  
Chloride Content ◽  
Antibacterial Activities ◽  
Water Distillation

Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri minyak atsiri kulit kayu akway pada beberapa tingkat konsentrasi, keasaman (pH) dan kandungan sodium klorida. Minyak atsiri disuling dengan menggunakan metode distilasi air. Pengujian aktivitas antibakteri minyak atsiri pada beberapa tingkat konsentrasi, pH dan kandungan sodium klorida dilakukan dengan menggunakan metode difusi sumur. Hasil penelitian menunjukkan bahwa aktivitas antibakteri minyak atsiri kulit kayu akway cenderung meningkat dengan meningkatnya konsentrasi. Konsentrasi penghambatan minimum terhadap Escherichia coli, Bacillus cereus, Pseudomonas aeruginosa dan Staphylococcus aureus adalah 0,28–0,56%. Tingkat keasaman dan kandungan sodium klorida tidak berpengaruh nyata terhadap aktivitas antibakteri minyak atsiri kulit kayu akway. Kesimpulannya, minyak atsiri kulit kayu akway berpotensi sebagai sumber antibakteri alami untuk menghambat pertumbuhan bakteri yang tahan terhadap antibiotik.Antibacterial Activity of Essential Oil of Akway (Drimys piperita Hook f.) Barks on Some Levels of Concentration, Acidity (pH) and Salt ContentsAbstractAkway (Drimys piperita Hook. f) was an aromatic plant of winteraceae. Leaves and barks of this plant contain essential oil. Previous studies indicated that essential oil from some aromatic plants had strong antibacterial activities. The aims of the study were to know antibacterial activities of essential oil isolated from akway bark on some levels of concentration, acidity (pH) and sodium chloride content. The essential oil was distilled by using water distillation method. The antibacterial activity was assayed on several levels of concentration, pH and sodium chloride concentrations that were performed using method of agar well diffusion. The results showed that the antibacterial activity of akway barks essential oil tended to increase with increasing of concentrations. The minimum inhibition concentrations against Escherichia coli, Bacillus cereus, Pseudomonas aeruginosa, and Staphylococcus aureus were 0,28–0,56%. The pH and sodium chloride contents had not significantly influenced to the antibacterial activities of akway barks essential oil. As conclusion, the essential oil of akway barks had potential as source of antibacterial on inhibiting growth of antibiotic resistance bacteria. 

scholarly journals Phytochemical Analysis, In vitro Antibacterial Activity and Rate of Kill of Different Fractions of Dacryodes edulis Leaf

2020 ◽  
pp. 23-35
Author(s):  
R. E. Hassan-Olajokun ◽  
A. M. Deji-Agboola ◽  
O. O. Olasunkanmi ◽  
T. A. Banjo ◽  
O. Olaniran ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Antibacterial Activity ◽  
Antibacterial Activities ◽  
Diffusion Method ◽  
Phytochemical Analysis ◽  
Phytochemical Screening ◽  
Zones Of Inhibition ◽  
Time Kill ◽  
Dacryodes Edulis

Dacryodes edulis is a fruit tree attaining a height of 18–40 meters mostly grown around the house and rarely in the forest. It has a relatively short trunk and a deep, dense crown and it is native to Africa hence often called African pear. The leaves are a compound with 5-8 pairs of leaflets. Acetone extract/solvent fractions of the leaves of Dacryodes edulis were used. The in vitro antibacterial activities and rate of kill of different fractions were investigated. The phytochemical screening was done by some chemical tests, antibacterial activity by agar well diffusion method and rate of kill was carried out on S. aureus and E. coli organisms. The fractions exhibited antibacterial activities with zones of inhibition ranged between 20 and 30 mm by Aqueous (AQU) fraction while Dichloromethane (DCM) fraction ranged between 22 and 32 mm. The standard antibiotics, streptomycin ranged between 10 and 20 mm and ampicillin between 11 and 27 mm. The Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) of both fractions had range values between 0.78 and 6.25 mg/mL. The phytochemical screening revealed the presence of alkaloids, tannins, saponins, flavonoids, terpenoid and glycoside. Overall, the two fractions had better activities than the standard antibiotics used. The time kill assay showed that the percentage of the cells killed increased with increasing concentrations of the fractions, as well as, contact time intervals. The AQU fraction killed 100% of Escherichia coli and Staphylococcus aureus cells at concentration of 4.68 mg/mL (3 X MIC) within 120 min while DCM fraction killed 100% of Escherichia coli cells within 90 min at a concentration of 4.68 mg/mL and killed 100% of S. aureus cells within 120 min at a concentration of 3.12 mg/mL (2X MIC). In conclusion, D. edulis leaf fraction has a broad spectrum antibacterial activity, with the AQU and DCM fractions being bactericidal as exemplified by the killing rate and MIC index of 2 (ratio of MBC/MIC) for both fractions.

scholarly journals Antibacterial activity of methanol extracts of the leaves of three medicinal plants against selected bacteria isolated from wounds of lymphoedema patients

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Dereje Nigussie ◽  
Gail Davey ◽  
Belete Adefris Legesse ◽  
Abebaw Fekadu ◽  
Eyasu Makonnen
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Medicinal Plants ◽  
Klebsiella Pneumoniae ◽  
Streptococcus Pyogenes ◽  
Bacterial Species ◽  
Wound Infections ◽  
Methanol Extracts

Abstract Background Patients with lymphoedema are at high risk of getting bacterial and fungal wound infections leading to acute inflammatory episodes associated with cellulitis and erysipelas. In Ethiopia, wound infections are traditionally treated with medicinal plants. Methods Agar well diffusion and colorimetric microdilution methods were used to determine the antibacterial activity of methanol extracts of the three medicinal plants against Staphylococcus aureus, Streptococcus pyogenes, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Shewanella alage, methicillin-resistant S. aureus ATCC®43300TM, Staphylococcus aureus ATCC25923, Escherichia coli ATCC25922, Klebsiella pneumoniae ATCC700603, and Pseudomonas aeruginosa ATCC37853. Results The methanol extract of L. inermis leaves showed high activity against all tested bacterial species, which was comparable to the standard drugs. Similarly, the extracts of A. indica showed activity against all tested species though at higher concentrations, and higher activity was recorded against Streptococcus pyogenes isolates at all concentrations. However, the extract of A. aspera showed the lowest activity against all tested species except Streptococcus pyogenes isolates. The lowest minimum inhibitory concentration (MIC) was recorded with the extract of L. inermis against E. coli isolate and S. aureus ATCC 25923. Conclusion Methanol extracts of L. inermis, A. indica, and A. aspera leaves exhibited antimicrobial activity against selected bacterial isolates involved in wound infections, of which the methanol extracts of L. inermis exhibited the highest activity. The results of the present study support the traditional use of plants against microbial infections, which could potentially be exploited for the treatment of wound infections associated with lymphoedema.

scholarly journals Evaluation of the Antibacterial Activity, Acute Toxicity and Immuno-stimulatory Potential of Adenodolichos paniculatus root Extract

2020 ◽  
Vol 9 (5) ◽  
pp. 318-322
Author(s):  
IF Kyahar ◽  
◽  
AE Onwuliri ◽  
JO Ehinmidu ◽  
PO Oladosu ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Streptococcus Pyogenes ◽  
Large Population ◽  
Herbal Medicines ◽  
Antibacterial Activities ◽  
Diffusion Method ◽  
Root Extract ◽  
Immunostimulatory Activity ◽  
Test Organisms

Medicinal plants have been used in the treatment of illnesses from time immemorial. In Nigeria today a large population of people still depend on herbal medicines for their health needs. The medicinal plant, Adenodolichos paniculatus has been used traditionally as a remedy for mouth and throat infections in Pushit community of Plateau state, Nigeria. Five solvents (hexane, chloroform, ethyl acetate, methanol and water) were used sequentially for the isolation of bioactive compounds from the root of the plant Adenodolichos paniculatus and concentrated on rotary vacuum evaporator. Concentrated extracts were tested for their antibacterial activities against Streptococcus pyogenes, Staphylococcus aureus, Pseudomonas aeruginosa and E. coli by agar-well diffusion method. Ofloxacin was the referenced drug. Chloroform root extract was more potent than the remaining four extracts. The extract at 100 mg/ml was active against only three (3) of the four (4) pathogens tested namely Streptococcus pyogenes, Staphylococcus aureus and Pseudomonas aeruginosa with zones of inhibition measuring 25.00, 21.00 and 11.75 mm respectively. The minimum inhibitory concentration of the extract against the test organisms were 1,560, 6,250 and 25,000 µg/ml respectively. The minimum bactericidal concentration was 3,120, 12,500 and 50,000 µg/ml against the three organisms. The extract was found to be nontoxic with LD50 of above 2000 (mg//kg body weight) when administered orally in mice. The plant extract has immunostimulatory activity with a significant increase (p<0.05) in white blood cell proliferation when administered into mice at doses of 50, 25 and 100 mg/kg. Conclusion: The result of this investigation supports the use of this plant for the traditional remedy of mouth and throat infections possibly caused by these test organisms. The extract can serve as lead in phytomedicine development for the treatment of throat related infections.

scholarly journals ELECTRONIC SPECTRAL CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF LANTHANIDE (III) - CEFTAZIDIME COMPLEXES

2020 ◽  
Vol 5 (2) ◽  
pp. 57-65
Author(s):  
Preeti Singhal ◽  
Renuka Jain ◽  
Deepti Goyal
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Special Reference ◽  
Antibacterial Activities ◽  
Intensity Parameters ◽  
The Impact ◽  
And Staphylococcus Aureus ◽  
Ligand Bond

The present work describes the spectrochemical study of some Lanthanide (III) - ceftazidime (Ln(III)-CEFZ) complexes. The impact of the ligand environment on electronic spectrum of the lantanide ion with special reference to complexation and nature of Ln-ligand bond has been examined. The energy and intensity parameters for the complexes have also been evaluated. The ligand and all prepared complexes were screened for their antibacterial activities against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus and the results showed that antibacterial activity of ligand on complexation have been enhanced.

Glycerol and ichthammol: medicinal solution or mythical potion?

1996 ◽  
Vol 110 (4) ◽  
pp. 319-321 ◽  
Author(s):  
E. Nilssen ◽  
P. J. Wormald ◽  
S. Oliver
Keyword(s):  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antibacterial Activity ◽  
Clinical Practice ◽  
Streptococcus Pyogenes ◽  
Therapeutic Benefit ◽  
Bacterial Activity ◽  
Significant Activity ◽  
Zones Of Inhibition ◽  
Inflammatory Action

AbstractGlycerol and ichthammol (G & I) has been used for generations by otologists. However, there is a paucity of information on both its mode of action and its anti-bacterial properties. The aim of this paper was to ascertain firstly, what the most common organisms found in discharging ears were and secondly, what antibacterial activity G & I had against these organisms. All ear swabs from 1992–1994 in our unit were reviewed to ascertain the prevalence of the commonly isolated organisms. Fresh isolates of these organisms were collected and plated onto agar with wells of glycerol, ichthammol and a combination of both as used in clinical practice. The diameters of the zones of inhibition observed after incubation were measured in millimetres. Common isolates were: Pseudomonas aeruginosa, Staphylococcus aureus, Proteus mirabalis, Streptococcus pyogenes in descending order of frequency. Pure glycerol showed no significant zones of inhibition against any of the organisms tested. The average zones of inhibition for G & I and ichthammol alone were for Staphylococcus aureus 15 mm and 18 mm and for Streptococcus pyogenes: 16 mm and 23 mm. Ichthammol alone was significantly more effective than G & I (p<0.001). There was no significant activity against Proteus mirabalis and Pseudomonas aeruginosa. The therapeutic benefit of G & I is due in part to the inherent anti-bacterial activity of ichthammol against the Gram positive organisms as well as its anti-inflammatory action and the dehydrating effect of the glycerol.

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