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Extraction procedures for the liquid chromatographic determination of thiamin riboflavin and vitamin B6 in foodstuffs

NDAW, S., Autor ; AOUDÉ-WERNER, D. , Autor ; BERGAENTZLE, M., Autor ; HASSELMANN, C., Autor

Treatment with a mixture of enzymes (a-amylase, papain and acid phosphatase) led to the release in a single step of the different forms (phosphorylated and protein-bound) of the vitamins B1, B2 and B6 present in various food samples, not supplem[...]

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Fluorimetric determination of niacin in foods by high-performance liquid chromatography with post-column derivatization

LAHELY, S. ; BERGAENTZLE, M. ; HASSELMANN, C.

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