Context. The plant Citrus maxima Merr. (Rutaceae), commonly known as shaddock or pomelo is indigenous to tropical parts of Asia. The objective of present study is to evaluate the methanol extract of Citrus maxima leaves for its antitumor activity against Ehrlich's Ascites Carcinoma cell in Swiss albino mice. Experimental design. The antitumor activity of methanol extract of Citrus maxima leaves (MECM) was evaluated against Ehrlich Ascites Carcinoma (EAC) cell line in Swiss albino mice. 2 × 106 cells were inoculated in different groups of animals. MECM (200 and 400 mg/kg BW i.p.) was administered for nine consecutive days. On day 10th half the animals of different groups were sacrificed for determination of tumor and haematological parameters and the rest half were kept with sufficient food and water ad libitum for determination of increase in life span. Result and Discussions. Oral administration of the extract at the doses of 200 and 400 mg/kg significantly decreased tumor parameters such as tumor volume, viable tumor cell count and increased body weight, hematological parameters and life span in respect of the EAC control mice. Conclusion. Experimental design exhibits significant antitumor activity of the extract (MECM) in a dose dependant manner.
The present paper aims to evaluate antihyperglycemic activity of methanol extract of Citrus limetta fruit peel (MECL) in streptozotocin-induced (STZ; 65 mg/kg b.w.) diabetic rats. Three days after STZ induction, diabetic rats received MECL orally at 200 and 400 mg kg−1 body weight daily for 15 days. Glibenclamide (0.5 mg kg−1 p. o.) was used as reference drug. Blood glucose levels were measured on 0th, 4th, 8th, and 15th days of study. Serum biochemical parameters namely, SGOT, SGPT and ALP were estimated. The TBARS and GSH levels of pancreas, kidney, and liver were determined. MECL significantly (P < 0.001) and dose dependently normalized blood glucose levels and serum biochemical parameters, decreased lipid peroxidation, and recovered GSH as compared to those of STZ control. The present paper infers that in STZ-induced diabetic Wistar rats, C. limetta fruit peel demonstrated a potential antihyperglycemic effect which may be attributed to its antioxidant property.
Citrus limetta Risso (Rutaceae), commonly known as sweet lime in English and Mousambi in India, has been traditionally used for several medicinal purposes. This study explored the relationship between Citrus limetta fruit peel and its antitumor activity against Ehrlich ascites carcinoma (EAC) bearing mice. The antitumor activity of methanol extract of peel of Citrus limetta fruits (MECL) was evaluated against EAC cell line in Swiss albino mice. Twenty-four hours after intraperitoneal inoculation of tumor EAC cells in mice, MECL was administered at 200 and 400 mg/kg body weight i.p. daily for nine consecutive days. On the 10 th day, half of the mice were sacrificed for the estimation of tumor growth (tumor volume, viable and non-viable tumor cell counts), and hematologic parameters (red blood cells, white blood cells and hemoglobin). The rest were kept alive for assessment of survival parameters, i.e. median survival time and percentage increase in life span of EAC bearing mice. Intraperitoneal administration of MECL at the doses of 200 and 400 mg/kg for nine days to the carcinoma induced mice demonstrated a significant (P<0.001) decrease in tumor volume, viable tumor cell count, tumor weight and a significant (P<0.001) improvement in hematologica parameters and life span as compared to the EAC control mice. The present study establishes marked and dose dependant antitumor effect of C. limetta fruit peel against Ehrlich ascites carcinoma bearing Swiss mice.
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