Fruit and vegetable intake assessed by food frequency questionnaire and plasma carotenoids: A validation study in adults

Agriculture & Biology

• food frequency questionnaires 100%
• vegetable consumption 85%
• fruit consumption 83%
• carotenoids 57%
• carotenes 54%
• zeaxanthin 34%
• lycopene 33%
• lutein 31%
• ingestion 31%
• waist circumference 15%
• fasting 9%
• volunteers 9%
• biomarkers 8%
• food intake 8%
• high performance liquid chromatography 8%
• vegetables 7%
• fruits 5%
• lipids 5%
• sampling 3%

Medicine & Life Sciences

• Carotenoids 82%
• Validation Studies 75%
• Vegetables 67%
• Fruit 64%
• Eating 51%
• Zeaxanthins 25%
• Lutein 23%
• Lycopene 23%
• Food 15%
• Cryptoxanthins 10%
• Waist Circumference 5%
• Volunteers 4%
• High Pressure Liquid Chromatography 4%
• Fasting 4%
• Fats 4%
• Biomarkers 3%
• Weights and Measures 3%