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Abstract A rapid and selective method for the determination of phosphatidylcholine (PC) is described. It is based on the use of a single packed bed reactor in which phospholipase C,… Click to show full abstract
Abstract A rapid and selective method for the determination of phosphatidylcholine (PC) is described. It is based on the use of a single packed bed reactor in which phospholipase C, alkaline phosphatase and choline oxidase are co-immobilized on long chain-alkylamino controlled pore glass. The detection of hydrogen peroxide, that is the final product of subsequent enzymatic reactions occurring within the bioreactor, is used for the determination of PC in a dietary supplement. The results of triplicate analysis show a coefficient of variation of 5%. The calibration curve is linear over a concentration range of 10–60 mg/L (R2 = 0.942) and the detection limit is 4.25 mg/L. The bioreactor resulted to be stable for at least 1 month.
Journal Title: Biocatalysis and agricultural biotechnology
Year Published: 2017
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