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Automated extraction of acetylgestagens from kidney fat by matrix solid phase dispersion
J Rosén1, K E Hellenäs, P Törnqvist
1National Food Administration, Uppsala, Sweden.
The Analyst
|December 1, 1994
Abstract:
A new extraction method for the acetylgestagens medroxyprogesterone acetate (MPA), chloromadinone acetate and megestrol acetate, from kidney fat, has been developed. The method is a combination of matrix solid phase dispersion and solid phase extraction and is simpler and safer than previous methods, especially as it can be automated. The recovery was estimated as 59 +/- 5% (mean +/- standard deviation) for MPA. For screening purposes detection can be achieved using a commercially available enzyme immunoassay kit giving detection limits in the range of 1.0-2.0 ng g-1.