[PHNUTR-L] Consuming a Low-Fat Vegan Diet May Increase Intake of
Protective Dietary Factors
fivestar at nutritionucanlivewith.com
Wed Feb 27 18:50:29 PST 2008
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Consuming a Low-Fat Vegan Diet May Increase Intake of Protective
Reference: "A very-low-fat vegan diet increases intake of protective
dietary factors and decreases intake of pathogenic dietary factors,"
Dewell A, Weidner G, et al, J Am Diet Assoc, 2008; 108(2): 347-56.
(Address: Gerdi Weidner, PhD, Vice President and Director of Research,
Preventive Medicine Research Institute, 900 Bridgeway, Sausalito, CA
94965. E-mail: gerdi.weidner at pmri.org ).
Summary: In a randomized, controlled study involving 93 early-stage
prostate cancer patients, adherence to a very-low-fat vegan diet (10%
fat; no animal products or byproducts) supplemented with soy protein and
accompanied by lifestyle changes for a period of 1 year was found to
increase patients' intakes of protective nutrients such as fiber and
lycopene and decrease their intakes of saturated fat and cholesterol.
Patients were randomized into either the very-low-fat vegan diet
supplemented with soy protein group, or the usual care group. Three day
food records were collected from subjects at baseline and after 1 year.
Results found significant increases in fiber (31 to 59 g/d) and lycopene
(8,693 to 34,464 mug/d), and significant decreases in saturated fatty
acids (20 to 5 g/d) and cholesterol (200 to 10 mg/d) among subjects
adhering to the vegan diet, as compared to those in the control group.
The authors conclude, "These results suggest that a very-low-fat vegan
diet can be us eful in increasing intake of protective nutrients and
phytochemicals and minimizing intake of dietary factors implicated in
several chronic diseases." The results of this study add to the growing
body of evidence suggesting that plant-based diets may play an important
role in the prevention of various chronic diseases.
Kathrynne Holden, MS, RD
"Ask the Parkinson Dietitian" http://www.parkinson.org/
"Eat well, stay well with Parkinson's disease"
"Parkinson's disease: Guidelines for Medical Nutrition Therapy"
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