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US 6,143,303 AGranted
Analgesic anti-inflammatory composition and method of preparing from dodonaea sp
OwnerChodavarapu Janakiram, Mahmud Khalilullahinventors
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Abstract
An anti-inflammatory, analgesic composition is prepared using an extract from a plant of the family Dodonaea in a dermatologically acceptable carrier, with or without a dermal absorption enhancer such as eucalyptus oil. The extract is prepared by solvent extraction of the plant matter, either whole or separated into various parts, such as leaves, bark, seeds, roots and flowers.
Claims5
A process for preparing a biologically active component from the plants Dodonaea petiolaris and Dodonaea viscosa comprising the steps of:
- a) separating the plant matter into groups, said groups including roots, leaves, bark, seeds and flowers;
- b) preparing individual extracts of said roots, leaves, bark, seeds and flowers by organic solvent extractions;
- c) combining the extracts obtained from each of said roots, leaves, bark, seeds and flowers into a residue;
- d) subjecting said residue to solvent extraction with ethanol;
- e) recovering the solvent by distillation and removing traces of the solvent under mild vacuum yielding a concentrated absolute;
- and
- f) oxidizing said absolute by exposure to gaseous oxygen for about 20 hours at an ambient temperature of about 35 to 40 deg. C.
4 more elements
Dependencies are inferred from the claim text.