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KMID : 0380620150470050667
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Korean Journal of Food Science and Technology
2015 Volume.47 No. 5 p.667 ~ p.672
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Mixture of Extracts of Cynanchum wilfordii and Phlomis umbrosa Turcz. Does Not Have an Estrogenic Effect in Ovariectomized Rats
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Han Song-Hee
Lee Tae-Hee
Jang Ja-Young
Song Hyun-Kyung
Hong Sang-Keun
Kim Yu-Ri
Han Beom-Seok
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Abstract
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Cynanchum wilfordii and Phlomis umbrosa Turcz. are known to contain isoflavone, a representative phytoestrogen. This study was performed to determine whether the extract mixture of C. wilfordii and P. umbrosa Turcz. would induce an estrogenic effect in ovariectomized rats. The extracts were administered to the ovariectomized rats at 30, 60, 120 mg/ kg per day for 4 weeks, respectively. They showed no estrogenic effect, which was indicated by the decrease in uterus wall thickness as well as the increase in body weight and the level of cholesterol and triglyceride. The extracts also had no effect on the concentrations of estrogen and growth hormone in the serum. However, the increase in alkaline phosphatase activity, which leads to protection against the bone loss caused by ovariectomy, was noted on administration of the extract. Therefore, it seemed that the extracts of C. wilfordii and P. umbrosa Turcz. had no estrogenic effect in rats.
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KEYWORD
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Cynanchum wilfordii, Phlomis umbrosa Turcz, isoflavone, estrogen, growth hormone ovariectomized rat
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