Process for the production of tea catechins

Details Process for the production of tea catechins Process for the production of tea catechins

1984-06-27

1986-09-23

Love, Ethel G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31104

Patent

active

046136720

ABSTRACT:
Process for production of tea catechins selected from (-) epicatechin, (-) epigallocatechin, (-) epicatechin gallate and (-) epigallocatechin gallate comprising extracting tea leaves with hot water or an aqueous solution of methanol, ethanol or acetone, washing the extract containing solution with chloroform, transferring the washed solution into an organic solvent, removing the solution and passing the resulting solution through a reversed phase column in the presence of an eluting solution. Tea catechins and methods of using the same are also disclosed.

REFERENCES:
patent: 4105784 (1978-08-01), Okada
patent: 4515804 (1985-05-01), Marti et al.
Sanderson, "The Chemistry of Tea and Tea Manufacturing", Advances in Phytochemistry, No. 5 (1971) pp. 250-255, 265-266 and 271-277.
R. F. Smith, Studies on the Formation and Composition of "Cream", in Tea Infusions, J. Sci. Fd Agric. 1968, vol. 19, Sep., pp. 530-534.
Chemical Abstracts 69:77066h (1968).
Chem. Abstracts 80:119307x (1974).
Chem. Abstracts 76:70341(e) (1972).
Chem. Abstracts 96:6481m (1982).
Chem. Abstracts 77:58728z (1975).

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