Climacteric : the journal of the International Menopause Society · 2014
Effect of the ethanol extract of Pleurotus eryngii on bone metabolism in ovariectomized rats.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ohyama Y, Matsushita H, Minami A, Kanazawa H, Suzuki T, Watanabe K, Wakatsuki A
Аннотация
OBJECTIVE: Postmenopausal bone loss and the possible progression to osteoporosis are a major health concern. Mushrooms have been recognized as functional foods. Pleurotus eryngii extract has been reported to have estrogenic activity, suggesting that its consumption may mitigate postmenopausal bone loss. The aim of the present study was to determine the effect of supplementation with an ethanol extract of P. eryngii on bone metabolism in a postmenopausal osteoporosis rat model.
METHODS: Female 12-week-old Wistar rats were subjected to either sham operation or bilateral ovariectomy. The ovariectomized rats were then subdivided into two groups: one fed the extract and the other not. Twelve weeks after surgery, indices of bone mass, bone histomorphometry, and bone mechanics were measured.
RESULTS: The right femur bone mineral content and density of the ovariectomized group were significantly lower than in the Sham group, and extract supplementation did not have any significant effect on these differences. Furthermore, ovariectomy significantly increased measures of mineralizing surface and bone formation rates; again, extract supplementation again had no significant effect.
CONCLUSION: Our findings suggest that the ethanol extract of P. eryngii does not alter bone metabolism in ovariectomized rats, suggesting that consumption of P. eryngii may not be beneficial in slowing bone loss after menopause.
METHODS: Female 12-week-old Wistar rats were subjected to either sham operation or bilateral ovariectomy. The ovariectomized rats were then subdivided into two groups: one fed the extract and the other not. Twelve weeks after surgery, indices of bone mass, bone histomorphometry, and bone mechanics were measured.
RESULTS: The right femur bone mineral content and density of the ovariectomized group were significantly lower than in the Sham group, and extract supplementation did not have any significant effect on these differences. Furthermore, ovariectomy significantly increased measures of mineralizing surface and bone formation rates; again, extract supplementation again had no significant effect.
CONCLUSION: Our findings suggest that the ethanol extract of P. eryngii does not alter bone metabolism in ovariectomized rats, suggesting that consumption of P. eryngii may not be beneficial in slowing bone loss after menopause.