This article was written by Dr. Farooq Achmad, Chief Medical Researcher for California Medical Weight Managment.
Researchers recently were able to identify bio-markers in blood for different foods eaten. The technique enables us scientifically measure the amount of any particular food ingredient in the body and provides a useful tool to assess the compliance of an individual with a specific diet he/she has been prescribed for weight control or any other medical purpose.
Doctors traditionally depend on patients self-reporting for assessing compliance with a food. This has been an imprecise way because an individual’s personal description is very likely to be influenced by factors like his/her memory, way of description as well as communication skills and at times may be faulty while blood markers are free of all such discrepancies.
Dietary biomarkers are compounds related to a certain food or nutrient that are measurable in bodily fluids such as blood. In the said study called SYSDIET study authored by Dr. M.Marklund & his associates, the subjects under observation were advised to follow a healthy Nordic diet rich in berries, vegetables, fatty fish, canola oil, and whole grains. Several blood biomarkers were measured to assess the consumption of different key components of the diet for example alpha linoleic acid as a biomarker of canola oil consumption and beta carotene as a biomarker for vegetable intake and so on.
Researchers opinion that when investigating the health effects of whole diets, it's useful to measure multiple biomarkers reflecting the intake of different components of the diet. Combined use of biomarkers and dietary self-reports can help improve compliance as well as better assess progress on a certain diet plan.
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