enzyme activation assays

A Dictionary of Food and Nutrition | 2005 | 525 words | Copyright

enzyme activation assays Used to assess nutritional status with respect to vitamins B₁, B₂, and B₆. A sample of red blood cells in a test‐tube is tested for activity of the relevant enzyme before and after adding extra vitamin; enhancement of the enzyme activity beyond a standard level serves as a biochemical index of a deficiency of the vitamin in question. The enzymes involved are transketolase for vitamin B₁, glutathione reductase for vitamin B₂, and either aspartate or alanine aminotransferase for vitamin B₆.

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DAVID A. BENDER. "enzyme activation assays." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

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DAVID A. BENDER. "enzyme activation assays." A Dictionary of Food and Nutrition. 2005. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-enzymeactivationassays.html

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