Method for producing extract of olive leaves

Details Method for producing extract of olive leaves Method for producing extract of olive leaves

1997-01-08

1998-02-03

Witz, Jean C.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

A61K 3578

Patent

active

057141509

ABSTRACT:
A method for preparing an olive leaf extract and the extract prepared thereby. The leaves are covered with an aqueous alcohol solution which remains in contact with the leaves for at least 4 hours and is then drained. This process is repeated at least two more times, and the drained extracts are combined, concentrated by distillation under vacuum, and dried by spray drying or oven drying under vacuum, to obtain a powder containing about 30-40% by weight oleuropein. The steps of the extraction are conducted at a temperature of about 20.degree. to 88.degree. C.

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