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Brief dietary questions can estimate vegetable and fruit consumption

Published in Obesity and Diabetes Week, September 26th, 2005

Brief dietary questions can provide an estimate of vegetable and fruit consumption.

In a recent report, researchers in Australia conducted a study "to evaluate responses to self-administered brief questions regarding consumption of vegetables and fruit by comparison with blood levels of serum carotenoids and red-cell folate. A cross-sectional study in which participants reported their usual intake of fruit and vegetables in servings per day, and serum levels of five carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lutein/zeaxanthin and lycopene), and red-cell folate were measured."

"Serum carotenoid levels were determined by...

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