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Biosci Biotechnol Biochem. 2009 Sep;73(9):1911-4. Epub 2009 Sep 7.

Banana peel extract suppressed prostate gland enlargement in testosterone-treated mice.

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  • 1Laboratory of Nutraceuticals and Functional Foods Science, Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan.

Abstract

A methanol extract of banana peel (BPEx, 200 mg/kg, p.o.) significantly suppressed the regrowth of ventral prostates and seminal vesicles induced by testosterone in castrated mice. Further studies in the androgen-responsive LNCaP human prostate cancer cell line showed that BPEx inhibited dose-dependently testosterone-induced cell growth, while the inhibitory activities of BPEx did not appear against dehydrotestosterone-induced cell growth. These results indicate that methanol extract of banana peel can inhibit 5alpha-reductase and might be useful in the treatment of benign prostate hyperplasia.

PMID:
19734683
[PubMed - indexed for MEDLINE]
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