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Article: Bilberry extract quality needs quality standard.
- Article from:
- Nutraceuticals International
- Article date:
- December 1, 2007
CopyrightCOPYRIGHT 2007 Marketletter Publications Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A study led by Italian firm Indena's researchers and recently published in the Journal of AOAC International [90 (4):911-9] has measured the quality of products containing bilberry extracts on the market. Its purpose was to reveal differences between the various brands in terms of identity, conformity, dosages and labelling. The results were disappointing, said an Indena press statement.
40 preparations containing bilberry extract, marketed under 24 different brands, were bought in the USA, Italy, Japan and Malaysia and analyzed with a validated HPLC method to establish their content in anthocyanins (anthocyanosides). Anthocyanins, the poliphenols responsible for ...