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US 6,147,228 AGranted
Convenient method for the large scale isolation of garcinia acid
AssigneeDepartment of Science and Technology Government of India
InventorsIbrahim Ibnusaud, Tom Thomas Puthiaparampil, Beena Thomas
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Abstract
A process for the isolation of Garcinia acid from the fresh or dried rinds of the fruits of Garcinia indica, Garcinia cambogia and/or Garcinia atroviridis.
Claims11
A process for the isolation of Garcinia acid from the fresh or dried rinds of the fruits of Garcinia indica, Garcinia cambogia and/or Garcinia atroviridis, comprising the steps of, in sequence:
- (a) subjecting the rinds to extraction to form an extract
- (b) adding a solvent to the extract to remove pectin and form a filtrate
- (c) converting the filtrate to form an alkali salt
- (d) neutralizing the alkali salt with an acid, followed by evaporation, to form a concentrate
- (e) purifying said concentrate using a solvent to remove inorganic matter as impurities, to form a second filtrate
- (f) concentrating the second filtrate to yield a crude Garcinia acid
- (g) recrystallizing the crude to form pure crystals of Garcinia acid.
4 more elements
Garcinia acid in optically pure, crystal form.
Dependencies are inferred from the claim text.