Skip to main content

6 Result(s)

within Päivi Laakso Remove this filter Chemistry Remove this filter Industrial Chemistry/Chemical Engineering Remove this filter

and

  1. No Access

    Article

    Characterization of α- and γ-linolenic acid oils by reversed-phase high-performance liquid chromatography-atmospheric pressure chemical ionization mass spectrometry

    Triacylglycerols of oils rich in α- and/or γ-linolenic acids were analyzed by reversed-phase high-performance liquid chromatography (HPLC) coupled with atmospheric pressure chemical ionization mass spectrometr...

    Päivi Laakso in Journal of the American Oil Chemists' Society (1997)

  2. No Access

    Article

    Capillary supercritical fluid chromatography-atmospheric pressure chemical ionization mass spectrometry of triacylglycerols in berry oils

    A capillary supercritical fluid chromatograph (SFC), combined with a triple-quadrupole mass spectrometer (MS) via a liquid chromatography-atmospheric pressure chemical ionization (LC-APCI) interface, was utilized...

    Pekka Manninen, Päivi Laakso in Journal of the American Oil Chemists' Society (1997)

  3. No Access

    Article

    Method for characterization of triacylglycerols and fat-soluble vitamins in edible oils and fats by supercritical fluid chromatography

    This study demonstrates the usefulness of capillary supercritical fluid chromatography (SFC) for the characterization of triacylglycerols of edible oils and fats. Triacylglycerols were separated according to t...

    Pekka Manninen, Päivi Laakso… in Journal of the American Oil Chemists’ Society (1995)

  4. No Access

    Article

    Triacylglycerols of winter butterfat containing configurational isomers of monoenoic fatty acyl residues. II. Saturated dimonoenoic triacylglycerols

    Triacylglycerols of Finnish winter butterfat containing one saturated and two monoenoic fatty acyl residues were studied. With silver ion high-performance liquid chromatography (HPLC), molecules were separated...

    Päivi Laakso, Heikki Kallio in Journal of the American Oil Chemists’ Society (1993)

  5. No Access

    Article

    Triacylglycerols of winter butterfat containing configurational isomers of monoenoic fatty acyl residues. I. Disaturated monoenoic triacylglycerols

    The triacylglycerols of winter butterfat were fractionated according to the type and degree of unsaturation into six fractions by silver ion high-performance liquid chromatography (Ag-HPLC). The acyl carbon nu...

    Päivi Laakso, Heikki Kallio in Journal of the American Oil Chemists’ Society (1993)

  6. No Access

    Article

    Stereospecific analysis of triacyl-sn-glycerolsvia resolution of diastereomeric diacylglycerol derivatives by high-performance liquid chromatography on silica

    The compositions of positionssn-1, 2 and 3 of triacylglycerols can be determined by partial hydrolysis with ethyl magnesium bromide, derivatization of the total products with (S)-(+)-1-(1-naphthyl)ethyl isocyanat...

    William W. Christie… in Journal of the American Oil Chemists Socie… (1991)