WHO monographs on selected medicinal plants - travolekar.ru
WHO monographs on selected medicinal plants - travolekar.ru WHO monographs on selected medicinal plants - travolekar.ru
Pericarpium Granati Pharmacology Experimental pharmacology Antidiarrhoeal activity Intragastric administration of a decoction or a 95% ethanol extract of the crude drug at a dose of 200.0 mg/kg or 50.0 mg/kg body weight (bw), respectively, reduced faecal output in rats with castor-oil induced diarrhoea (21). The same extracts, at a dose of 500.0 mg/kg bw, exhibited intestinal antisecretory activity in rats with magnesium sulfate-induced enteropooling (20). Antimicrobial, antiparasitic and antiviral activity An aqueous, butanol, or 95% ethanol extract of the crude drug had in vitro activity against Proteus mirabilis, Haemophilus influenzae, Klebsiella pneumoniae, Pseudomonas aeruginosa, Streptococcus aureus, Staphylococcus aureus and Candida albicans at a concentration of 60.0 μg/ml (21, 22). An aqueous extract and a 95% ethanol extract of the fruit rind had weak in vitro activity against Bacillus cereus, Enterococcus faecalis, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Staphylococcus aureus at a concentration of 25 mg/well (23, 24). A decoction of the crude drug weakly inhibited the growth of Trichophyton tonsurans, T. rubrum, T. simii, Trichosporon beigelii, Microsporum fulvum, M. gypseum and Candida albicans when added to the nutrient medium at a concentration of 5% (25). Tannins separated from the crude drug were effective against genital herpes virus (herpes simplex virus type 2). The tannin not only inhibited replication of the virus, but also blocked herpes type 2 viral adsorption in cultured cells (26). An aqueous extract of the crude drug had antiviral activity against hepatitis B virus in PLC/PRF/5 cells in vitro (27). An aqueous extract inhibited hepatitis C virus in vitro at a concentration of 100 μg/ml. An acetone extract of the crude drug had larvicidal activity against Chrysomya albiceps at a concentration of 25 μg/ml (28). At a concentration of 10.0 ml/plate, an aqueous extract of the crude drug weakly inhibited the growth of Ascaris galli, Pheritima posthuma and Taenia solium (29), as well as Ascaris lumbricoides (30). Antioxidant activity Aqueous, alcohol and ethyl acetate extracts of the crude drug have shown significant antioxidant activity in various in vitro and in vivo models. A methanol extract of the crude drug had antioxidant activity in vitro, in the -carotene-linoleate and 1,1-diphenyl-2-picrylhydrazyl radical model 121
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Pericarpium Granati<br />
Pharmacology<br />
Experimental pharmacology<br />
Antidiarrhoeal activity<br />
Intragastric administrati<strong>on</strong> of a decocti<strong>on</strong> or a 95% ethanol extract of the<br />
c<strong>ru</strong>de d<strong>ru</strong>g at a dose of 200.0 mg/kg or 50.0 mg/kg body weight (bw),<br />
respectively, reduced faecal output in rats with castor-oil induced diarrhoea<br />
(21). The same extracts, at a dose of 500.0 mg/kg bw, exhibited intestinal<br />
antisecretory activity in rats with magnesium sulfate-induced enteropooling<br />
(20).<br />
Antimicrobial, antiparasitic and antiviral activity<br />
An aqueous, butanol, or 95% ethanol extract of the c<strong>ru</strong>de d<strong>ru</strong>g had in<br />
vitro activity against Proteus mirabilis, Haemophilus influenzae, Klebsiella<br />
pneum<strong>on</strong>iae, Pseudom<strong>on</strong>as ae<strong>ru</strong>ginosa, Streptococcus aureus, Staphylococcus<br />
aureus and Candida albicans at a c<strong>on</strong>centrati<strong>on</strong> of 60.0 μg/ml<br />
(21, 22). An aqueous extract and a 95% ethanol extract of the f<strong>ru</strong>it rind<br />
had weak in vitro activity against Bacillus cereus, Enterococcus faecalis,<br />
Escherichia coli, Klebsiella pneum<strong>on</strong>iae, Pseudom<strong>on</strong>as ae<strong>ru</strong>ginosa and<br />
Staphylococcus aureus at a c<strong>on</strong>centrati<strong>on</strong> of 25 mg/well (23, 24).<br />
A decocti<strong>on</strong> of the c<strong>ru</strong>de d<strong>ru</strong>g weakly inhibited the growth of<br />
Trichophyt<strong>on</strong> t<strong>on</strong>surans, T. <strong>ru</strong>b<strong>ru</strong>m, T. simii, Trichospor<strong>on</strong> beigelii, Microspo<strong>ru</strong>m<br />
fulvum, M. gypseum and Candida albicans when added to the<br />
nutrient medium at a c<strong>on</strong>centrati<strong>on</strong> of 5% (25).<br />
Tannins separated from the c<strong>ru</strong>de d<strong>ru</strong>g were effective against genital<br />
herpes vi<strong>ru</strong>s (herpes simplex vi<strong>ru</strong>s type 2). The tannin not <strong>on</strong>ly inhibited<br />
replicati<strong>on</strong> of the vi<strong>ru</strong>s, but also blocked herpes type 2 viral adsorpti<strong>on</strong> in<br />
cultured cells (26).<br />
An aqueous extract of the c<strong>ru</strong>de d<strong>ru</strong>g had antiviral activity against<br />
hepatitis B vi<strong>ru</strong>s in PLC/PRF/5 cells in vitro (27). An aqueous extract<br />
inhibited hepatitis C vi<strong>ru</strong>s in vitro at a c<strong>on</strong>centrati<strong>on</strong> of 100 μg/ml. An<br />
acet<strong>on</strong>e extract of the c<strong>ru</strong>de d<strong>ru</strong>g had larvicidal activity against Chrysomya<br />
albiceps at a c<strong>on</strong>centrati<strong>on</strong> of 25 μg/ml (28). At a c<strong>on</strong>centrati<strong>on</strong> of<br />
10.0 ml/plate, an aqueous extract of the c<strong>ru</strong>de d<strong>ru</strong>g weakly inhibited the<br />
growth of Ascaris galli, Pheritima posthuma and Taenia solium (29), as<br />
well as Ascaris lumbricoides (30).<br />
Antioxidant activity<br />
Aqueous, alcohol and ethyl acetate extracts of the c<strong>ru</strong>de d<strong>ru</strong>g have shown<br />
significant antioxidant activity in various in vitro and in vivo models. A<br />
methanol extract of the c<strong>ru</strong>de d<strong>ru</strong>g had antioxidant activity in vitro, in the<br />
-carotene-linoleate and 1,1-diphenyl-2-picrylhydrazyl radical model<br />
121