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| ORIGINAL ARTICLE |
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| Year : 2010 | Volume
: 2
| Issue : 3 | Page : 125-127 |
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Chromatographic evaluation and anthelmintic activity of Eucalyptus globulus oil
DJ Taur1, VB Kulkarni1, RY Patil2
1 Department of Pharmacognosy, S.V.P.M's College of Pharmacy, Malegaon (BK), Maharashtra, India
2 Department of Pharmacognosy, S.U. College of Pharmacy, Kharadi, Pune, Maharashtra, India
| Date of Submission | 27-Mar-2010 |
| Date of Decision | 28-Mar-2010 |
| Date of Web Publication | 19-Jul-2010 |
Correspondence Address:
D J Taur
Department of Pharmacognosy, S.V.P.M's College of Pharmacy, Malegaon (BK), Tal. Baramati, Dist. Pune, Maharashtra
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0974-8490.65504
 Abstract | | |
In world Helminthes infections are the most widespread of all the infections in humans. The morbidity due to parasitic diseases has been increasing in our population. The gastrointestinal helminthes become resistant to the currently available anthelmintic drugs. Anthelmintic substances having considerable toxicity to human beings are present in foods derived from livestock, posing a serious threat to human health. Due to this, there is a need to derive new chemical substances from natural sources, for helminthes control. In this study, volatile oil isolated from Eucalyptus globulus Labill was evaluated for its anthelmintic activity on adult Indian earthworms, Pheretima posthuma, which have anatomical and physiological resemblance with the intestinal roundworm parasites of human beings. In concentrations of 0.05, 0.01 and 0.15 ml/ml, respectively, all the oil samples showed potent anthelmintic activity as compared to that of the standard drug albendazole at a concentration of 10 mg/ml. Keywords: Anthelmintic, Eucalyptus globulus, eucalyptus oil, Pheretima posthumag
How to cite this article:
Taur D J, Kulkarni V B, Patil R Y. Chromatographic evaluation and anthelmintic activity of Eucalyptus globulus oil. Phcog Res 2010;2:125-7 |
How to cite this URL:
Taur D J, Kulkarni V B, Patil R Y. Chromatographic evaluation and anthelmintic activity of Eucalyptus globulus oil. Phcog Res [serial online] 2010 [cited 2021 Feb 25];2:125-7. Available from: http://www.phcogres.com/text.asp?2010/2/3/125/65504 |
| Introduction | |  |
In world Helminthes infections are the most widespread of all the infections affecting humans. The morbidity due to parasitic diseases has been increasing in our population. [1] The gastrointestinal helminthes become resistant to the currently available anthelmintic drugs. Therefore, treatment of helminthes diseases has become difficult. [2] Anthelmintic substances having considerable toxicity to human beings are present in foods derived from livestock, posing a serious threat to human health. [3] A new lead for helminth control is greatly needed and has promoted studies of traditionally used anthelmintic plants which are generally considered to be very important sources of bioactive substances. [4]
Eucalyptus globulus Labill (family Myrtaceae) is a lofty tree of about 90 m in height. Leaves are febrifuge, carminative, stimulant, expectorant, antiseptic, antimalarial and anthelmintic. Eucalyptus oil has powerful antiseptic and disinfectant properties. It increases the flow of saliva, gastric and intestinal juices and increases the digestion and appetite. [5],[6]
Bark of E. globulus contains ellagitannins, methyl and glycosyl derivatives of ellagic acid and free ellagic and gallic acids, gallotannins and cathechin. [7],[8],[9],[10] Essential oil from this species has a therapeutic application in the treatment of pulmonary infections by inhalation [11] and the monoterpene extracted from Eucalyptus citriodora, E. globulus and Eucalyptus teretcorni exhibits antibacterial activity. [12] Besides antibacterial activity, the essential oil from eucalyptus shows analgesic and anti-inflammatory effects. [13] Phytochemical analysis has established that the genus Eucalyptus contains monoterpenes. [14] Two monoterpene glycosides, conjugated with gallic acid globulusin A and B, together with four known compounds, cypellocarpin A, eucaglobulin, cuniloside and (1S, 2S, 4R)-trans-2-hydroxy-1,8-cineole β-d-glucopyranoside, were isolated from hot water extracts of the leaves of E. globulus[15] The aim of this research was to study chemical composition and anthelmintic property of the volatile oil from the leaves of E. globulus.
| Material and Methods | | |
Plant material
The leaves were collected from Baramati region of Dist. Pune and were authenticated by Prof. R. B. Deshmukh, Head, Department of Botany, Shardabai Pawar Mahila Mahavidyalaya, Shardanagar.
Isolation of Essential Oil
The essential oil was isolated from the fresh leaves by hydrodistillation in a clevenger-type apparatus, yielding essential oil 0.53% w/v.
Evaluation of Anthelmintic Activity
Indian adult earthworms (Pheretima posthuma) of 3-5 cm length and 0.1-0.2 cm width were used for anthelmintic activity because of their anatomical and physiological resemblance with the intestinal roundworm parasites of human beings. [16],[17] The earthworms were divided into four groups containing five earthworms in each group. Oil was dissolved in water using tween 80. All the test samples and the standard drug were freshly prepared before starting the experiment. The solution of oils and standard solution were poured in petridishes. All the earthworms were washed in normal saline solution before they were released into petridish containing 10 ml solution of E. globulus oil in concentrations of 0.05, 0.1 and 0.15 ml/ml, respectively, and albendazole (10 mg/ml). The time taken for the worms to get paralyzed and killed was noted. All readings were expressed as mean and standard error of mean (SEM) of three animals in each group. [18]
Evaluation of Volatile Oil
Volatile oil was evaluated for optical rotation and refractive index as per the standard procedure. [19]
Thin layer chromatography
Thin layer chromatography was performed using silica gel G as the stationary phase, toluene-ethylacetate (97:3) as the mobile phase and vanillin-sulfuric acid as the spraying reagent. [20]
| Results | | |
Essential oil from E. globulus contains 1,8-cineole as the major component [21],[22] and is used in the treatment of pulmonary infections [11] and also exhibits antibacterial activity. [12] The result of the present study reveals that E. globulus oil in concentrations of 0.05, 0.1 and 0.15 ml/ml showed significant anthelmintic activity as compared to the standard drug albendazole at a concentration of 10 mg/ml, as shown in [Figure 1]. E. globulus oil showed anthelmintic activity in a concentration-dependent manner. Evaluation of E. globulus oil showed an optical rotation of +0.8° and a refractive index of 1.4554. Chromatographic study confirmed the presence of borneol, linalool, cineol, geranyl acetate, anethol, saffrol as the phytoconstituents of eucalyptus oil, as shown in [Table 1].
| Discussion | | |
An Indian adult earthworm (P. posthuma) has anatomical and physiological resemblance with the intestinal roundworm parasites of human beings. [16],[17] Result indicates that time taken for albendazole for causing paralysis and death of P. posthuma was 5.82 ± 0.466 and 6.54 ± 0.429, respectively, whereas eucalyptus oil at a concentration of 0.15 ml/ml causes paralysis and death at 4.598 ± 1.151 and 6.57 ± 1.374, respectively. So, the present investigation concludes that E. globulus oil has anthelmintic potential due to the presence of borneol, linalool, cineol, geranyl acetate, anethol, saffrol as phytoconstituents.
| Acknowledgments | | |
The authors are thankful to the Management and Prof. R. N. Patil, Principal, of S.V.P.M's College of Pharmacy, Malegaon (Bk), Baramati, for providing necessary facilities and also to Prof. R. B. Deshmukh, Head, Department of Botany, Shardabai Pawar Mahila Mahavidyalaya, Shardanagar, for the authentication of the plant.
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[Figure 1]
[Table 1]
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