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MEDIZIN 2000
 

15.11.2017

 

 

 

Quelle: Journal of the American Medical Association

Vorsicht Ayurveda:  Wer über das Internet Ayurveda-Medikamente kauft gefährdet seine Gesundheit. In dieser im Journal of the American Medical Association  (JAMA) veröffentlichten Studie wurden zahlreiche in Indien und den USA produzierte und über das Internet gekaufte Ayurveda-Arzneimittel analysiert. In rund 20% der Fälle enthielten die in der klassischen indischen Heilkunde verwendeten Medikamente giftige Metalle wie Quecksilber, Arsen und Blei. Arzneimittel mit dem Rasa-shastra-Status enthielten mehr Metall als die anderen Medikamente die diesen Status nicht hatten.


Die online Enzyklopädie WIKIPEDIA zum Thema Ayurveda hier

 

 


 

 

Die vollständige englischsprachige Version dieser Studie 
finden Sie hier




JAMA Vol. 300 No. 8, August 27, 2008


Lead, Mercury, and Arsenic in US- and Indian-Manufactured Ayurvedic Medicines Sold via the Internet

Robert B. Saper, MD, MPH; Russell S. Phillips, MD; Anusha Sehgal, MD(Ayurveda); Nadia Khouri, MPH; Roger B. Davis, ScD; Janet Paquin, PhD; Venkatesh Thuppil, PhD; Stefanos N. Kales, MD, MPH

JAMA. 2008;300(8):915-923.

Context Lead, mercury, and arsenic have been detected in a substantial proportion of Indian-manufactured traditional Ayurvedic medicines. Metals may be present due to the practice of rasa shastra (combining herbs with metals, minerals, and gems). Whether toxic metals are present in both US- and Indian-manufactured Ayurvedic medicines is unknown.

Objectives To determine the prevalence of Ayurvedic medicines available via the Internet containing detectable lead, mercury, or arsenic and to compare the prevalence of toxic metals in US- vs Indian-manufactured medicines and between rasa shastra and non–rasa shastra medicines.

Design A search using 5 Internet search engines and the search terms Ayurveda and Ayurvedic medicine identified 25 Web sites offering traditional Ayurvedic herbs, formulas, or ingredients commonly used in Ayurveda, indicated for oral use, and available for sale. From 673 identified products, 230 Ayurvedic medicines were randomly selected for purchase in August-October 2005. Country of manufacturer/Web site supplier, rasa shastra status, and claims of Good Manufacturing Practices were recorded. Metal concentrations were measured using x-ray fluorescence spectroscopy.

Main Outcome Measures Prevalence of medicines with detectable toxic metals in the entire sample and stratified by country of manufacture and rasa shastra status.

Results One hundred ninety-three of the 230 requested medicines were received and analyzed. The prevalence of metal-containing products was 20.7% (95% confidence interval [CI], 15.2%-27.1%). The prevalence of metals in US-manufactured products was 21.7% (95% CI, 14.6%-30.4%) compared with 19.5% (95% CI, 11.3%-30.1%) in Indian products (P = .86). Rasa shastra compared with non–rasa shastra medicines had a greater prevalence of metals (40.6% vs 17.1%; P = .007) and higher median concentrations of lead (11.5 µg/g vs 7.0 µg/g; P = .03) and mercury (20 800 µg/g vs 34.5 µg/g; P = .04). Among the metal-containing products, 95% were sold by US Web sites and 75% claimed Good Manufacturing Practices. All metal-containing products exceeded 1 or more standards for acceptable daily intake of toxic metals.

Conclusion One-fifth of both US-manufactured and Indian-manufactured Ayurvedic medicines purchased via the Internet contain detectable lead, mercury, or arsenic.


Author Affiliations: Department of Family Medicine, Boston University School of Medicine and Boston Medical Center (Drs Saper and Sehgal and Ms Khouri), Division of General Medicine and Primary Care, Department of Medicine, Beth Israel Deaconess Medical Center (Drs Phillips and Davis), Division for Research and Education in Complementary and Integrative Medical Therapies, Osher Research Center, Harvard Medical School (Drs Phillips and Davis), and Environmental and Occupational Medicine and Epidemiology, Department of Environmental Health, Harvard School of Public Health (Dr Kales), Boston, Massachusetts; New England Regional Laboratory, Environmental Protection Agency, North Chelmsford, Massachusetts (Dr Paquin); National Referral Centre for Lead Poisoning in India and Department of Biochemistry and Biophysics, St John's Medical College, Bangalore (Dr Thuppil); and Employee and Industrial Medicine, Cambridge Health Alliance, Harvard Medical School, Cambridge, Massachusetts (Dr Kales).

 

 

 

 

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