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. 2020 Nov 6;10:19275. doi: 10.1038/s41598-020-76299-5

Table 3.

Assay method for nutritional supplements.

Nutrient Methodology Instruments
Cobalamin (pmol/L) Electrochemiluminescence Roche Cobas 8000 analyzerc
Folate (nmol/L) Electrochemiluminescence Roche Cobas 8000 analyzerc
Vitamin A (μmol/L Performance liquid chromatography Dionex ultimate 3000d
Potassium (mmol/L) Indirect potentiometry Roche Cobas 8000 analyzerc
Calcium (mmol/L) Colorimetry Roche Cobas 8000 analyzerc
Phosphate (mmol/L) Photometry Roche Cobas 8000 analyzerc
Magnesium (mmol/L) Colorimetry Roche Cobas 8000 analyzerc
Total cholesterol (mmol/L) Enzymatic colometry Roche Cobas 8000 analyzerc
HDLa cholesterol (mmol/L) Enzymatic colometry Roche Cobas 8000 analyzerc
LDLb cholesterol (mmol/L) Enzymatic colometry Roche Cobas 8000 analyzerc
Triglycerides (mmol/L) Photometry Roche Cobas 8000 analyzerc
Apolipoprotein A1(g/L) Immunoturbodimetry Roche Cobas 8000 analyzerc
Apolipoprotein B(g/L) Immunoturbodimetry Roche Cobas 8000 analyzerc
Lipoprotein A (g/L) Immunoturbodimetry Roche Cobas 8000 analyzerc
Albumin (g/L) Colorimetry Roche Cobas 8000 analyzerc
Total protein (g/L) Photometry Roche Cobas 8000 analyzerc
Lactate dehydrogenase (μ/L) Photometry Roche Cobas 8000 analyzerc
Glucose (mmol/L) Photometry Roche Cobas 8000 analyzerc

aHDL High-density lipoprotein.

bLDL Low-density lipoprotein.

c(Roche Diagnostics, IN, USA).

d(Thermo Fisher Scientific Inc., MA, USA).