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Adequate levels are defined as near 50 μmol/L. Hypovitaminosis of vitamin C is defined as less than 23 μmol/L, and deficiency as less than 11.4 μmol/L. [11] For people 20 years of age or above, data from the US 2017–18 National Health and Nutrition Examination Survey showed mean serum concentrations of 53.4 μmol/L.
Ascorbic acid exists as two enantiomers (mirror-image isomers), commonly denoted "l" (for "levo") and "d" (for "dextro"). The l isomer is the one most often encountered: it occurs naturally in many foods, and is one form (" vitamer ") of vitamin C , an essential nutrient for humans and many animals.
In plasma or serum (g/cm 3) Water: Solvent 0.81-0.86 ... Ascorbic acid (Vitamin C) ... 4.25-5.25 × 10 −5: total 8.4-11 ...
Micellar liquid chromatography (MLC) has been used in a variety of applications including separation of mixtures of charged and neutral solutes, direct injection of serum and other physiological fluids, analysis of pharmaceutical compounds, separation of enantiomers, analysis of inorganic organometallics, and a host of others.
U/L: Also called serum glutamic pyruvic transaminase (SGPT) Female: 0.15 [5] 0.75 [5] μkat/L Male: 0.15 [5] 1.1 [5] Aspartate transaminase (AST/ASAT [5]) Female: 6 [55] 34 [55] IU/L: Also called serum glutamic oxaloacetic transaminase (SGOT) 0.25 [5] 0.60 [5] μkat/L Male: 8 [55] 40 [55] IU/L 0.25 [5] 0.75 [5] μkat/L Alkaline phosphatase (ALP ...
Top Democrats in Vice President Harris' campaign say their efforts to sway voters simply weren't enough in the face of a general dissatisfaction with the direction of the country among the electorate.
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