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1.
Eight Pakistani medicinal plants were investigated for antipyretic activity in rabbits receiving subcutaneous yeast injections. Hexane- and chloroform-soluble extracts of Aconitum napellus stems, Corchorus depressus whole plant and Gmelina asiatica roots exhibited prominent oral antipyretic activity while insignificant antipyretic effects were found in the hexane- and chloroform-soluble portions of Melia azadirachta seeds, Tinospora cordifolia stems and Vitex trifolia seeds. No antipyretic actions whatsoever were produced by extracts of A. heterophyllum roots and Hedysarum alhagi aerial parts. Toxicity studies revealed no noteworthy toxic or adverse effects for any of the above plant extracts up to the highest oral doses of 1.6 g/kg except in the case of A. napellus.  相似文献   

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Aqueous, ethanol and butanol crude extracts of the aerial parts of ten plants exhibited variable degrees of antimicrobial activity against four bacterial and two fungal species. Aqueous extracts had low antimicrobial activity against E.coli, P.aeruginosa, B. cerreus, S.aureus, C.albicans and A.flavus. Avicennia marina (AM) aqueous extract exhibited a moderate antifungal activity. Ethanol and butanol crude extracts exhibited an improved antimicrobial activity. However, butanol exhibited a superior antimicrobial activity compared with aqueous and ethanol crudes. Compared with the standard antibiotics tested the butanol extract had the highest activity. Butanol extracts at 2000 microg/disc of AM, Lotus halophilus (LA), Pulicaria gnaphaloides (PG) and Capparis spinosa (CS) had a very good antibacterial activity against both gram-positive and -negative bacteria as well as moderate to good antifungal activity against C. albicans and A. flavus. Medicago laciniata (ML), Limonium axillare (LA) and (PG) butanol crude extract compared with standard chloramphenicol, tetracycline and nalidixic acid exhibited a superior antifungal activity.  相似文献   

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Ethnopharmacological relevance

This study was aimed to explore the indigenous knowledge of medicinal plant species of Baluch tribes in Saravan region, Baluchistan province, Iran.

Material and methods

Rapid appraisal approach along with the semi-structured open ended questionnaire, interviews and personal observations were used to collect the indigenous medicinal information. Quantitative analysis including the informant consensus factor (ICF) and use value (UV) was performed to evaluate the valued medicinal plants.

Results and discussion

A total 64 medicinal plants belonging to 30 families were reported from the study area. Among families, Lamiaceae dominated over other families and leaves dominated with 31% over other plant parts used as herbal remedies. Rhazya stricta and Datura stamonium (0.35) attributed the higher UV, followed by Otostegia persica (0.33) and Teucrium polium (0.32). Results of the ICF showed that cold/flu/fever (0.71) and blood disorders (0.57) were the most common diseases of the study area.

Conclusion

The use value and informant consensus factor substantiated that the relative importance of plant species and sharing knowledge of herbal therapies between different tribal communities of this area is still rich.  相似文献   

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OBJECTIVE: To investigate the potential of medicinal plants used in traditional healing in Pakistan to inhibit the glycation process. This may be useful in combatting diabetes mellitus and its complications.METHODS: The in vitro antiglycation activity of 10 medicinal plants was examined by testing the ability of the extracts to inhibit the methyl-glyoxal-mediated development of fluorescence of bovine serumalbumin.RESULTS: Of the tested plants, Persicaria barbata,Geranium collinum and Berberis lyciumshowed significant inhibition of the formation of advanced glycation end products. The inhibitory capacity of these plants was 68.89%, 62.06% and 54.23%, respectively, compared with the positive control(rutin; 86%). All other plants inhibited AGE formation non-significantly.CONCLUSION:These findings will be helpful for further research into the use of traditional herbal medicines with antiglycation properties in the treatment of diabetes.  相似文献   

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Plants were collected from several states of México and dried in the shade, ground and extracted with water, methanol or chloroform. The antimicrobial activity of the crude extracts was tested against E. coli, S. aureus, S. lutea, P. vulgaris and C. albicans using the agar diffusion technique. A methanol extract of E. polistachia showed antimicrobial activity against all microorganisms used in this study to doses in the order of 400 μg. © 1997 John Wiley & Sons, Ltd.  相似文献   

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Extracts of five indigenous Thai medicinal having ethnomedical application in the treatment of dysuria were investigated for their diuretic activity. Root extracts of Ananas comosus and Carica papaya, given orally to rats at a dose of 10 mg/kg, demonstrated significantly increased urine output (P < 0.01) which was 79 and 74%, respectively, of the effect of an equivalent dose of hydrochlorothiazide. Both plant extracts gave similar profiles of urinary electrolyte excretion to that of the hydrochlorothiazide. The analyses of the urinary osmolality and electrolyte excretion per unit time suggest the observed effect of A. comosus was intrinsic, whereas that of C. papaya may have resulted from a high salt content of this extract. However, our experimental evidence on the diuretic activities of the other three plants did not parallel their local utilization for dysuria. It was found that the rhizome of Imperata cylindrica apparently inhibited the urination of rats whereas the rhizome of Cyperus rotundus and the stem of Averrhoa carambola failed to demonstrate any diuretic activities. These results indicate that two of the plants investigated exert their action by causing diuresis. The other three plants need further investigation to determine their effectiveness in the treatment of dysuria.  相似文献   

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The extracts of 12 plants selected on the basis of the folk-medicine reports were examined for their antibacterial effects against eight pathogenic bacteria. The n-butanol extract of Calotropis procera flowers and the aqueous extract of Eugenia caryophyllata proved to be the most effective against the bacteria tested.  相似文献   

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In the present study of some of the Indian medicinal plants Sida acuta whole plant (Malvaeae), Stylosanthes fruticosa (whole plant) (Papilionaceae), Toona ciliata (heart wood) (Meliaceao), Bougainvilla spectabilis (leaves) (Nyctaginaceae), Ficus glomerata (bark, leaves) (Moraceae) and Polyalthia longifolia (leaves) (Annonaceae). The different plants were used in folklore medicine in the treatment of toothache and strengthening of gums, anthelmintic, kidney diseases, analgesic, anti-inflammatory, hepatoprotective, antihyperglycaemic, antihyperglycaemic and anticancer. The extract was prepared using powdered material with ethanol, concentrated under vacuo and were evaluated for analgesic activity by analgesiometer at three dose level (100, 300 and 500mg/kg). Analgesic activity was significant with Toona ciliata (heart wood) ethanolic extract when compared with other extracts and its activity was confirmed by tail immersion method.  相似文献   

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