Method for evaluating the performance of reverse phase high perf

Details Method for evaluating the performance of reverse phase high perf Method for evaluating the performance of reverse phase high perf

1990-04-11

1991-10-15

Therkorn, Ernest G.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210656, 2101982, 73 611C, 01D 1508

Patent

active

050572245

ABSTRACT:
The present invention provides a composition for evaluating the performance of reverse phase high performance liquid chromatographic columns, especially in the aspect of separating a mixture having stereo- and positional isomers, which comprises oxygenated triterpenoids obtained from the cultured mycelia of Ganoderma lucidum (Fr.) Karat.

REFERENCES:
Smith, "Characterization of Reversed-Phase Liquid Chromatography Columns with Retention Indexes of Standards Based on an Alkyl Aryl Ketone Scale", Anal. Chem., 1984, 56, pp. 250-262.
Kikta, "Phenones: A Family of Compounds Broadly Applicable to Use as Internal Standards in High Performance Liquid Chromatography", Journal of Chromatography, 1977, 138, pp. 41-45.
Shiao et al., "Two New Triterpenes", Journal of Natural Products, 886-890, Sep.-Oct., 1987.
Shiao et al., "Teiterpenes in Ganoderma Lucidum", Phytochemistry, 27, 3, 873-875, 1988.
Lin et al., "Triterpenes From Ganoderma Lucidum", Phytochemistry, 27, 7, 2269-2271, 1988.

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