Cactus flower extracts may prove beneficial in benign prostatic hyperplasia due to inhibition of 5α reductase activity, aromatase activity and lipid peroxidation |
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Authors: | Adi Jonas Gennady Rosenblat Daniel Krapf William Bitterman Ishak Neeman |
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Institution: | (1) Department of Food Engineering and Biotechnology, Technion-Israel Institute of Technology, Israel, IL;(2) Department of Urology, Naharya Medical Center, Naharia, Israel, IL |
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Abstract: | The cactus flower is deemed to be helpful in benign prostatic hyperplasia (BPH) therapy, although there is no published information
regarding its clinical effect in patients and on the mechanism of its biological activity. The present study evaluated the
ability of cactus flower extracts to exert an effect on BPH through possible inhibition of such processes as lipid peroxidation,
androgen aromatization and testosterone reduction. Cactus flower extracts indeed inhibited aromatase and 5α reductase activity
in cultured foreskin fibroblasts, and also in human placental and prostatic homogenates. The inhibitory activity in both instances
was associated with the dichloromethane or ethanol (methanol) extracts, while a marked antioxidative activity was associated
with the aqueous extract. The finding that cactus flower extracts interfere concurrently in vitro with aromatase and reductase
activity as well as with free radical processes suggests that these substances may prove beneficial in BPH treatment.
Received: 15 August 1997 / Accepted: 31 March 1998 |
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Keywords: | Cactus flowers extracts 5α reductase inhibitor Aromatase inhibitor Antioxidants |
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