Characterization of Soybean Germinated Embryo Extract as an Estrogen Receptor Subtype-Selective and Tissue-Specific Modulator
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초록

Phytoestrogens possess beneficial effects in the management of menopausal symptoms with few side effects. Soybeans are major natural sources of isoflavones, with high estrogen receptor (ER)-beta selectivity. The objective of this study therefore was to develop a solvent-mediated extraction method for soybean germinated embryos (SGEs) and to investigate the biological activities of the extract. Ethanolic extraction yielded the SGE extract (SGEE), which had a unique composition of biologically active aglycones and soyasaponins. SGEE showed a proliferative effect in MCF7 cells and ER beta-selective transcriptional activities in human embryonic kidney cells. In addition, oral administration of SGEE to ovariectomized rats resulted in the induction of ER beta and estrogen-responsive genes in the uterus and a decrease in tail skin temperature and uterus weight. Our data suggest that germination and ethanolic extraction are effective measures for producing isoflavone-rich food supplements, which may be useful as alternative menopausal hormone therapy.

키워드

estrogen receptor modulatorgerminated soy embryoisoflavonesmenopausal hormone therapysoyasaponinsISOFLAVONE GLYCOSIDESHOT FLUSHESSOYPHYTOESTROGENSBETAALPHA
제목
Characterization of Soybean Germinated Embryo Extract as an Estrogen Receptor Subtype-Selective and Tissue-Specific Modulator
저자
Jeong, HyesooLee, JiminKim, SoolinPark, SujeongYang, HwasunAhn, Byoung HaJang, Chang YoungJeong, Hyun CheolLee, Sung-JinKim, Sun LimSeo, Woo DuckSohn, JohannChang, Minsun
DOI
10.1089/jmf.2018.4250
발행일
2019-02
유형
Article
저널명
Journal of Medicinal Food
22
2
페이지
186 ~ 195