Neem bark extracts

Details Neem bark extracts Neem bark extracts

1983-09-13

1985-05-07

Meyers, Albert T.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

A61K 3578

Patent

active

045157855

ABSTRACT:
Neem bark extracts produced by pre-treating the bark of neem with an organic solvent having a dielectric constant of 10 or lower, for example, benzene or ethyl acetate and subjecting the residue obtained by the pre-treatment to extraction with a hydrophilic organic solvent having a dielectric constant from 15 to 35, for example, methanol or ethanol and recovering the neem bark extracts from the hydrophilic organic extraction solvent.

REFERENCES:
Tetrahedron 1960, vol. 10, pp. 45-54, Pergamon Press Ltd. Ireland.
Cancer Research, vol., 27, Feb. 1967 Number 2, pp. 6-8, 11 and 105.

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