Abstract
A COMPARATIVE STUDY BETWEEN THE EFFECT OF LICORICE ROOTS, MARJORAM AND DATE PALM POLLEN AQUEOUS EXTRACTS AND METFORMIN ON POLY CYSTIC OVARY SYNDROME IN RATS

Doaa Khalaf Mahmoud, Zakia Mostafa Abdelkader and Mai Elsayed*

ABSTRACT

The present study was designed to comparethe effect of licorice roots, marjoram, date palm pollen (DPP) aqueous extracts and metformin on polycystic ovary syndrome (PCOS) in reproductive-aged female rats. PCOS was induced by oral administration of letrozole given daily in a dose 1mg/kg b. wt. for 21days. After PCOS induction, the experimental groups were classified as follow; G1: Healthy control, G2: PCOS control rats, G3: PCOS+Licorice roots, G4: PCOS+Marjoram, G5: PCOS+DPP.G6: PCOS+Mixture of herbs by a ratio (1:1:1). Herbal extracts were administrated orally in a dose of (300mg/kg b.wt./day) for 30 days. G7:PCOS+Metformin (200mg/kg b.wt/day) for 30 days. Estrous cycle phases were measured every day to follow up. The present results revealed that PCOS causeddisturbances in estrous cycle, serum sex steroid profile ( luteinizing hormone, follicle stimulating hormone, estrogen, progesterone, and testosterone), lipid profile, glucose homeostasis, antioxidant status, lipid peroxidation and caspase-3 protein (apoptosis marker). On the other hand, oral administration of licorice roots, marjoram, DPP and mixture of herbs as well as metformin significantly restoring parameters up to the normal level as compared to PCOS control group. Meanwhile, herbal administration showed better ameliorative effects as compared to metformin. These results were confirmed by ovarian microscopic examination which showedpartial disappearance and reduction of ovarian cysts. In conclusion, the current results suggested that licorice roots, marjoram, DPP and their mixture have hypolipidemic, antioxidant, anti-apoptotic and hormonal regulatory effects on PCOS. Generally, the most ameliorative effect was observed in mixture administered group. This may be due to the synergistic action between the mixtures of phytochemicals present in herbs.

Keywords: PCOS, Licorice, Marjoram, date palm pollen, Metformin, oxidative stress, insulin resistance.


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