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Determination of Lecithin Drug Specialties and Diet Integrators; by Means of First or Second Derivative Enzymatic–spectrophotometric Analysis by L Campanella; A.L Magrı̀; A Sorbo; M Tomassetti is a Chemistry article available to read on EtoBox.

What is Determination of Lecithin Drug Specialties and Diet Integrators; by Means of First or Second Derivative Enzymatic–spectrophotometric Analysis about?

The possibility has been investigated of applying derivative analysis to a classical enzymatic-spectrophotometric method for lecithin determination for the purpose of developing an analytical direct method that does not require long pretreatment of the test sample even in the case of turbid samples. Several samples of drugs and food integrators containing lecithin were thus tested using both the standard and the derivative method and then comparing the results obtained. The RSD% values of measurements on real (food or drugs) samples were always <2.5. Using a first derivative spectrophotometric method, average recovery was always between 102 and 105%.

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Author

L Campanella; A.L Magrı̀; A Sorbo; M Tomassetti

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0731-7085)

Published

2002

Language

EN

Field

Chemistry (Physical Sciences)