New simplified procedures for the extraction and simultaneous high-performance liquid chromatographic analysis of retinol, tocopherols and carotenoids in human serum

Concurrent liquid-chromatographic assay of retinol, alpha-tocopherol, beta-carotene, alpha-carotene, lycopene, and beta-cryptoxanthin in plasma, with tocopherol acetate as internal standard.

1988 • 393 citations

Separation and identification of carotenoids and their oxidation products in the extracts of human plasma

1992 • 285 citations

Determination of Individual Carotenoids in Human Plasma by High Performance Liquid Chromatography

1985 • 227 citations

Simultaneous determination of plasma retinol, α-tocopherol, lycopene, α-carotene, and β-carotene by high-performance liquid chromatography

1984 • 200 citations

An isocratic high-performance liquid chromatography method for the simultaneous analysis of plasma retinol, α-tocopherol, and various carotenoids

1985 • 178 citations

Determination of retinol, alpha-tocopherol, and beta-carotene in serum by liquid chromatography with absorbance and electrochemical detection.

1987 • 103 citations

Simultaneous measurement of serum retinol, tocopherols, carotenes, and carotenoids by high performance liquid chromatography

1987 • 75 citations

[18] Separation and quantification of carotenoids in human plasma

1992 • 66 citations

Simultaneous analysis of individual carotenoids, retinol, retinyl esters, and tocopherols in serum by isocratic non-aqueous reversed-phase HPLC

1993 • 64 citations

Serum and plasma β-carotene levels measured with an improved method of high-performance liquid chromatography

1985 • 63 citations

[31] High resolution analysis of carotenoids in human plasma by high-performance liquid chromatography

1992 • 62 citations

Determination of lycopene, α- and β-carotene and retinyl esters in human serum by reversed-phase high performance liquid chromatography

1983 • 50 citations

Beta-carotene determined in serum by liquid chromatography with an internal standard.

1983 • 50 citations

Automated Determination of 13-Cis-and All-Trans-Retinoic Acid, Their 4-Oxo-Metabolites and Retinol in Plasma, Amniotic Fluid and Embryo by Reversed-Phase High-Performance Liquid Chromatography with a Precolumn Switching Technique

1988 • 45 citations

[15] Simultaneous, high-performance liquid chromatographic analysis of retinol, tocopherols, lycopene, and α- and β-carotene in serum and plasma

1990 • 44 citations

Concentrations of carotenoids, retinol, and tocopherol in plasma, in response to ingestion of a meal.

1989 • 37 citations

Carotenoids, retinoids and alpha-tocopherol in human serum: Identification and determination by reversed-phase HPLC

1988 • 37 citations

Determination of serum and plasma concentrations of retinol using high-performance liquid chromatography

1984 • 36 citations

[24] Extraction and analysis by high-performance liquid chromatography of carotenoids in human serum

1992 • 32 citations

High-performance liquid chromatography of the provitamin A β-carotene in plasma

1983 • 29 citations

Biotin Deficiency Per Se Is Teratogenic in Mice

1991 • 20 citations

Routine clinical determination of carotene, vitamin E, vitamin A, 25‐hydroxy vitamin D3 and trans‐vitamin K1 in human serum by straight phase HPLC

1987 • 19 citations