期刊论文详细信息
BMC Complementary and Alternative Medicine
An open label pilot study to evaluate the efficacy of Spanish black radish on the induction of phase I and phase II enzymes in healthy male subjects
David M Barnes1  Elaine Paterson1  Malkanthi Evans2 
[1]Standard Process, Inc., 1200 Royal Lee Drive, Palmyra, WI 53156, USA
[2]KGK Synergize, Inc., 255 Queens Ave., London, ON N6A 5R8, Canada
关键词: Hepatic function;    Detoxification;    Spanish black radish;   
Others  :  1085093
DOI  :  10.1186/1472-6882-14-475
 received in 2014-07-14, accepted in 2014-11-27,  发布年份 2014
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【 摘 要 】

Background

Humans are exposed to toxins which accumulate in the body, and are detoxified primarily in the liver. Studies have shown that cruciferous vegetables (such as radishes) may be beneficial to health by aiding detoxification of toxins in the liver.

Methods

This single-centre, open-label, pilot study investigated the effect of a dietary supplement containing Spanish Black Radish on hepatic function in healthy males by monitoring the profiles of plasma and urine acetaminophen metabolites and serum hormone concentrations at baseline and after 4 weeks of supplementation. A paired t-test was used to compare pre- and post-treatment of plasma and urine acetaminophen metabolite profiles, serum hormone concentrations and safety end points.

Results

Area under the curve (AUC) from 0 to 8 hours for the acetaminophen glucuronide metabolite and unchanged acetaminophen in plasma decreased from baseline to week 4 by 9% (P = 0.004) and 40% (P = 0.010), respectively. The AUC from 0 to 8 hours for acetaminophen sulfate and mercapturate metabolites in the urine increased by 11% (P = 0.010) and 37% (P = 0.024), respectively, from baseline to week 4. The AUC from 0 to 8 hours of serum estradiol-17β decreased by 10% from baseline to week 4 (P = 0.005). All measures of clinical safety remained within acceptable laboratory ranges, however a significant reduction in plasma γ-glutamyl transferase levels was noted after 4 weeks of Spanish Black Radish treatment (P = 0.002).

Conclusions

These changes in metabolite and hormone levels indicate that Spanish Black Radish supplements have a positive influence on the detoxification of acetaminophen suggesting up-regulation of phase I and phase II liver enzymes. This study was sponsored by Standard Process Inc.

Trial registration

ClinicalTrials.gov registration numberNCT02137590 (Date of registration: May 12, 2014)

【 授权许可】

   
2014 Evans et al.; licensee BioMed Central Ltd.

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