[PHNUTR-L] Can pure fruit and vegetable juices protect against cancer and CVD

[Kathrynne Holden]

Colleagues, the following is FYI and does not necessarily reflect my own
opinion. I have no further knowledge of the topic. If you do not wish to
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  Int J Food Sci Nutr. 2006 May-Jun;57(3-4):249-72.

     Can pure fruit and vegetable juices protect against cancer and 
cardiovascular disease too? A review of the evidence.

         * Ruxton CH,
         * Gardner EJ,
         * Walker D.

     Nutrition Communications, Front Lebanon, Cupar, UK. 
carrie at nutrition-communications.com

     While it is widely accepted that fruit and vegetables (F&V) lower 
the risk of cancer, and cardiovascular disease (CVD), the role of pure 
fruit and vegetable (PFV) juices is often downplayed. This review poses 
two questions: Are the protective benefits of F&V dependent upon 
constituents lacking in PFV juices (e.g. fibre)? Do PFV juices impact on 
disease risk when considered separately from F&V? Studies comparing the 
effects of fibre and antioxidants were reviewed, yielding the finding 
that the impact of F&V may relate more strongly to antioxidants, than to 
fibre. For the second question, high-quality published studies that 
considered PFV juices were reviewed. The impact of PFV juices on cancer 
risk was weakly positive, although a lack of human data and 
contradictory findings hampered conclusions. For CVD, there was 
convincing evidence from epidemiological and clinical studies that PFV 
juices reduced risk via a number of probable mechanisms. It was 
concluded that the view that PFV juices are nutritionally inferior to 
F&V, in relation to chronic disease risk reduction, is unjustified.

     PMID: 17127476 [PubMed - in process]
-- 
Kathrynne Holden, MS, RD < fivestar at nutritionucanlivewith.com >
"Ask the Parkinson Dietitian"  http://www.parkinson.org/
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