High Performance Liquid Chromatographic Separation and Spectral Characterization of the Pigments in Turmeric and Annatto (Record no. 43691)

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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-9441
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245 10 - TITLE STATEMENT
Title High Performance Liquid Chromatographic Separation and Spectral Characterization of the Pigments in Turmeric and Annatto
490 0# - SERIES STATEMENT
Volume/sequential designation Journal of Food Science, 53(6), p.1823-1826, 1988
520 3# - SUMMARY, ETC.
Summary, etc. High performance liquid chromatographic separations for the determination of the pigments in the food colorants, annatto and turmeric, were developed. Chromatographic analysis time for the isocratic system was 10 min and 22 min for the gradicnt system. The isocratic separation employed a 25 cm x 4.6 mm i.d. Zorbax ODS column with a 58/42 (v/v)mixturc of waterltctrahydrofuran, THF, at 1 mL/ min. A gradient water/THF system using the same components was also developed to improve the rcsolution betwecn the curcuminoids. Sample preparation consists of dilution and filtration of the extracts. The three major pigments in turmeric, identified from visible and fluorescence stop flow spectra, were curcumin, demethoxycurcumin, and bisdemethoxycurcumin. Absorbance, excitation and emission maxima for the three curcuminoids plus the carotenoids, bixin and norbixin, were determined.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Rouseff, R.L.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/163U_iuahsIujY7FvbHLa_WlILrJ4-WuF/view?usp=drivesdk">https://drive.google.com/file/d/163U_iuahsIujY7FvbHLa_WlILrJ4-WuF/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-9441 25.06.2025 25.06.2025 Documentos solicitados