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Abstract Title:

The Effects ofExtract on Testosterone-Induced Benign Prostatic Hyperplasia in Rats, and Quantitative Analysis of Major Constituents Depending on Extract Conditions.

Abstract Source:

Nutrients. 2020 May 28 ;12(6). Epub 2020 May 28. PMID: 32481550

Abstract Author(s):

Na-Hyun Kim, Jonghwan Jegal, Yun Na Kim, Jeong-Doo Heo, Jung-Rae Rho, Min Hye Yang, Eun Ju Jeong

Article Affiliation:

Na-Hyun Kim

Abstract:

This study aimed to investigate the beneficial effects ofon testosterone propionate (TP)-induced benign prostatic hyperplasia (BPH) in Wistar rats. Moreover, the bioactive constituents in the extract were determined using LC/MS and HPLC analyses. The dried fruits ofwere extracted using accelerated solvent extraction (ASE) under different extract conditions (temperature, 30 C or 100 C; extract solvent, 60% or 100% ethanol) to yield four extracts (T1~T4). Of the fourextracts, T1 extracted under the condition of 100% ethanol/low temperature (30 C) exhibited the greatest inhibitory activity on TP-induced prostatic hyperplasia in rats. The administration of T1 (100 mg/kg body weight, p.o.) for six weeks attenuated TP-induced prostate enlargement and reduced the levels of dihydrotestosterone (DHT) and 5α-reductase in both serum and prostate tissue. The suppression of PCNA mRNA expression in prostate tissue was remarkable in T1-treated rats. In LC/MS analysis, the levels of main anthocyanins and phenolics were significantly higher in T1 than in the other extracts. Furthermore, the quantitative study showed that the contents of cyanidin-3-glucose and cyanidin-3-xylose in T1 exhibited 1.27~1.67 and 1.10~1.26 folds higher compared to those in the other extracts. These findings demonstrated thatextract containing anthocyanins as bioactive constituents attenuated the development of testosterone-induced prostatic hyperplasia, and suggested that this extract has therapeutic potential to treat prostate enlargement and BPH.

Study Type : Animal Study

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