Biologically active extracts from Maytenus nemerosa (Eckl and Ze

Details Biologically active extracts from Maytenus nemerosa (Eckl and Ze Biologically active extracts from Maytenus nemerosa (Eckl and Ze

1982-07-23

1983-09-20

Meyers, Albert T.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

A61K 3578

Patent

active

044056133

ABSTRACT:
This invention provides an extract from the plant Maytenus nemerosa (Eckl & Zeyh) Morais (Celastroceae) South Africa and a method of obtaining same. The extract is obtained by subjecting the plant to a series of extraction steps with a plurality of solvents having different polarities. In each extraction step, the solvent used has a polarity higher than that used in the preceding extraction step. All extraction steps are conducted at room temperature. The extracts have been found to possess biological activity.

REFERENCES:
J. Am. Chem. Soc., vol. 94: 1354-1356, (1974); vol. 96: 3706-3708, (194) and vol. 97; 5294-5295, (1975).
Chemical Abstracts: vol. 75: 7243l and 95370f.
Cancer Treatment Reports, vol. 60, No. 8, Aug. 1976, pp. 1115-1126.

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