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Background: Asafoetida is used as an antiulcer agent in Iran and Afghanistan. This study was undertaken to determine the healing of ulcers induced by indomethacin (IND) due to the protective role of asafoetida on ulcers in rats. Materials and Methods: Rats were divided into four groups with five rats in each group. One group only received IND as negative control group and other group received normal saline and considered as control group, respectively. Two groups were pretreated by asafoetida (25 and 50 mg/kg) by oral gavage for 4 days, and after this time, rats were kept fasted for 12 h and received IND at 48 mg/kg orally. Four hour later, animals were killed and their stomach and liver were fixed in formalin (10%) and sections of 5 μm in diameter were prepared. Histological and morphological characteristics of stomach and liver were assessed using hematoxylin and eosin (H and E) staining. Results: Treatment groups with asafoetida (25 and 50 mg/kg) showed significant (P < 0.05) reduction in microscopic and macroscopic ulcer index as compared to the IND control group. Asafoetida promotes ulcer protection as ascertained histologically by comparatively decrease in ulcer areas, reduction or absence of edema and leukocytes infiltration of submucosal layer compared to IND control group. The results also indicated that asafoetida has a protective effect on liver tissues. In general, ameliorative effects of asafoetida in animals treated at 50 mg/kg were better than dose of 25 mg/kg, respectively. Conclusions: Data indicates that asafoetida has anti-ulcer and hepatoprotective activity that these beneficial effects may be or mainly related to anticholinergic antihistaminergic and antioxidant effects.

In traditional Iranian medicine, asafoetida, an oleo-gum-resin obtained from the roots of Ferula assa-foetida, has been prescribed as a diuretic. This study was undertaken to investigate the diuretic effect of asafoetida in normal rats. Asafoetida was administered orally at the doses of 25 and 50 mg/kg and furosemide (10 mg/kg, intraperitoneal) was used as positive control. The diuretic effect was evaluated by measuring urine volume and sodium, potassium, urea, and creatinine content in urine and serum. Urine volume, excretion of sodium, and potassium were significantly increased by asafoetida as compared to the control group. A significant increase in creatinine clearance was observed in the groups treated with asafoetida at the doses of 25 and 50 mg/kg (P < 0.05). We conclude that asafoetida induced a diuretic effect comparable to that produced by the reference diuretic furosemide. This study provides a quantitative basis for explaining the folkloric use of asafoetida as a diuretic agent.

Background: In Ayurveda and traditional medicines of different countries such as Iran, America and Brazil, asafoetida has been used as an aphrodisiac agent. Objective: The present study was aimed to evaluate the effectiveness of asafoetida on spermatic and testicular parameters in treated rats. Materials and Methods: A total of 30 male Wistar rats divided equally to five groups (one control and four test groups receiving 25, 50,100 and 200 mg/kg asafoetida respectively). After 6 weeks, a small part of the cauda epididymis of each rat was dissected, and the spermatic parameters were evaluated for at least 200 spermatozoa of each animal. Testis of all rats was harvested for pathologic examination. The testosterone concentration of serum was also determined. Data were statistically assessed by one-way ANOVA and value of P < 0.05 was considered as the level of significance. Results: This study indicated that the asafoetida significantly increased the number and viability of sperms (P < 0.05). Histological study showed that spermatogenesis process and numbers of Leydig cells were increased with increasing the dose, but the Leydig cells become vacuolated. Johnsen score in experimental groups was increased compared to control although this difference was not significant (P > 0.05). Conclusion: Asafoetida showed a positive effect on spermatic parameters although the histopathological effects on the testis were observed, particularly at high doses.

In traditional Iranian medicine, asafoetida, an oleo-gum-resin obtained from the roots of Ferula assa-foetida, has been prescribed as a diuretic. This study was undertaken to investigate the diuretic effect of asafoetida in normal rats. Asafoetida was administered orally at the doses of 25 and 50 mg/kg and furosemide (10 mg/kg, intraperitoneal) was used as positive control. The diuretic effect was evaluated by measuring urine volume and sodium, potassium, urea, and creatinine content in urine and serum. Urine volume, excretion of sodium, and potassium were significantly increased by asafoetida as compared to the control group. A significant increase in creatinine clearance was observed in the groups treated with asafoetida at the doses of 25 and 50 mg/kg (P < 0.05). We conclude that asafoetida induced a diuretic effect comparable to that produced by the reference diuretic furosemide. This study provides a quantitative basis for explaining the folkloric use of asafoetida as a diuretic agent.

Background: In Iranian traditional medicine, Ferula assa-foetida oleo gum resin (asafoetida) have been used as anti-convulsant agents. Aims: This study was designed to evaluate the anti-convulsant effect of asafoetida on chemical and amygdala -kindled rats. Materials and Methods: In chemical model, rats received orally asafoetida at dose of 50 and 100 mg/kg 90 minutes prior to Pentylenetetrazol injection in dose of 35 mg/kg intraperitoneally (i.p.) and control group received normal saline. Convulsive behavior was recorded for 30 minutes. For amygdala kindle model, bipolar stimulating and monopolar recording electrodes were implanted stereotaxically. After kindling, the effect of asafoetida (50 and 100mg/kg) on after discharge duration, duration of stage 5 seizure and latency to the onset of bilateral forelimb clonuses was measured. Results: Pretreatment animals with asafoetida significantly reduced the mean seizure stage during the 20 kindling injection of Pentylenetetrazol. Seizure parameters in amigdala kindle model improved in treatment animals at both dose 50 and 100 mg/kg. The number of stimulations in stage 3, 4, and 5 in asafoetida-treated rats at both doses significantly increased. Conclusions: These results showed that asafoetida could prevent seizure in both chemical and electrical kindling model and this effect may partially be related to the terpenoids compounds.

Background: In Iranian folk medicine, several plants are used for treatment of gastrointestinal disorders, such as diarrhea and spasm. One of these herbal medications are the essential oil yielded from seeds of Ferula assa-foetida L. and an oleo-gum-resin known as asafetida, which is exudated from its root . F. assa-foetida grows wildly in south and central mountains of Iran. Aim: In this study, relaxant effect of asafoetida and seed's essential oil of F. assa-foetida was investigated in isolated rat's ileum in three doses. Materials and Methods: A total of 5 cm of ileum was removed and sets for recording its isotonic contractions. The amplitude of contractions induced by different doses of asafoetida and essential oil before and after exposing the specimens with cumulative logarithmic concentrations of acetylcholine (Ach) was evaluated. The relaxant effect of asafoetida and seed's essential oil of F. assa-foetida was investigated in isolated rat's ileum in three doses (0.1 0.2 and 0.3%). All statistical analysis was by GraphPad Prism 5 (San Diego, California ) and comparisons were made by means of the analysis of variances followed by Tukey's test. The statistical significance was considered as P Results: Asafoetida produced an antispasmodic effect on Ach induced contraction in 0.2% and 0.3% concentrations. Our findings also showed that essential oil has significant antispasmodic action against cumulative concentrations of 10 ­12 up to 10 ­2 M Ach. In spasmolytic evaluation, our findings showed that the essential oil derived from F. assa - foetida seed in concentrations of 0.2% and 0.3% significantly reduced Ach (10 ­4 M) induced contractions. Exposure to the 0.2% and 0.3% asafoetida, reduced the percentage of maximum contraction induced by 10 ­4 M Ach to 43% and 12% respectively, which this reduction was statistically significant. Conclusion: The results of the present study, supports the traditional claim of asafoetida as an antispasmodic therapeutic.