Stabilized anthocyanin extract from Garcinia indica

Details Stabilized anthocyanin extract from Garcinia indica Stabilized anthocyanin extract from Garcinia indica

2007-08-28

2007-08-28

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S498000, C424S777000, C426S250000, C514S451000, C514S460000

Reexamination Certificate

active

10563050

ABSTRACT:
A method of making a red pigmented composition is disclosed which includes (a) preparing an aqueous extract ofGarcinia indicafruit comprising at least one red colorant; (b) treating the extract with a cation exchange resin so that one or more red colorant associates with the resin; (c) eluting the red colorant from the resin with an eluting solution containing one or more alcohol such as methanol, ethanol and isopropanol and one or more acid such as hydrochloric acid, citric acid, acetic acid, tartaric acid and hydroxy citric acid to yield a red-colored eluate; (d) collecting and concentrating the eluate to provide a concentrate; and (e) adding an antioxidant agent and/or placing the concentrate in an aseptic container in a non-oxidizing atmosphere. A combination comprising the resulting stabilizedGarciniaextract in aseptic packaging in a non-oxidizing atmosphere is also disclosed, along with methods of use.

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PCT International Search Report, PCT/US2004/021305 published Nov. 17, 2005, 1 p.

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