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Mansour Afsharmohammadian, Mohsen Sharifi, Seyyede Narjes Abolghasemi, Narjes Mohammad,
Volume 2, Issue 2 (9-2015)

Dittrichia graveolens (Asteraceae) is an aromatic and annual plant. The aim of this study is the evaluation of total phenolic, flavonoid and flavonol content, the antioxidant activities and other important medicinal secondary metabolites of this plant. According to the results, the total amount of phenols and flavonoid in different plant organs of D. graveolens were different in a way that the content of total phenols and flavonoid in the flowers and leaves were significantly more than the stems and roots. The content of flavonol in the flowers, leaves and stems were not significantly different, and the lowest content was observed in the roots. In addition, the linear and significant correlation coefficient was found between the antioxidant activity and the phenolic compounds in the extracts of different organs of the plant. The main components in different extracts were Bornyl acetate and α-Cadinol in flower extract, Borneol, Bornyl acetate, Thymol and Calarene in leaf extract and PMAMOMPE, Safrole, Carvacryl acetate, Vulgarone B and Bornyl acetate in root extract. On the whole, the current results compared with the results of other researchers indicates the remarkable impact of plant habitat on the quality and quantity of pharmaceutical compounds in different organs of the plant

Hadiseh Esfade, Ghadireh Mirabolghasemi, Mahnaz Azarnia,
Volume 6, Issue 2 (8-2019)

Diabetes mellitus is known to be resistant to insulin, to dysfunction of beta cells and to increase liver glucose production. Poor glucose control during hyperglycemia causes damage to the tissues and creates dangerous consequences, such as infertility. Chronic hyperglycemia has harmful effects on the growth of follicles, which is essential for normal female sexual function. Metformin is the most widely prescribed drug in diabetes, but chemical drugs, despite their undeniable benefits, have destructive effects, so alternative strategies for current modern diabetes medications are essential. Herbal medicines are widely used by patients, based on non-medical recommendations and as blood-glucose-lowering agents, including the nettle. Nettle contributes to lower plasma glucose levels by secreting insulin and increasing the proliferation of beta cells in the pancreas. Therefore, the aim of this study was to determine the effect of nettle extract as a supplement of metformin on ovarian tissue of diabetic model. In this experimental study, 30 female Wistar rats were used. Animals were weighed and randomly divided into 5 groups (n=6).  1) control group  2) diabetic group who were diabetic with intravenous injection of alloxan (150 mg / kg)  3) diabetic group + Nettle root extract (150 mg / kg)  4) diabetic + metformin (150mg / kg)  5) Diabetic group + Metformin(150 mg / kg) + Nettle root extract(150 mg / kg). At the end of treatment, the effect of metformin and nettle root extract on ovarian tissue and biochemical factors such as blood glucose and sex hormones were compared and the data obtained were analyzed by SPSS. Hyperglycemia and body weight loss after metformin and nettle root increased for 4 weeks. Simultaneous administration of metformin and extracts of nettle root significantly increased the primordial, primary, secondary, and corpus luteum and reduced the atretic follicles and significantly increased FSH, LH and testosterone levels as compared with metformin alone. The results of this study showed that the root of nettle with its antioxidant compounds and other properties could be a complement to metformin with a corrective effect on hyperglycemia and the improvement of ovarian disorders.

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