Claims
- 1. A method of obtaining a product comprising separating an aqueous fraction from vegetation liquor derived from oil-bearing fruit, said aqueous fraction having substantially no oleaginous parts, substantially no colloidal particles and substantially no undissolved solids, and said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, or a concentrate derived from said aqueous fraction, or a residue derived from said aqueous fraction, or an extract derived from said aqueous fraction, is combined in any way, form or proportion, to any other substance or substances.
- 2. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit characterised in that an aqueous fraction or a concentrated aqueous fraction or a residue containing said phytochemicals is separated and recovered from said vegetation liquor, said separation being adapted to remove, in one step or more, substantially all oleaginous parts, substantially all undissolved solids, substantially all colloidal particles and substantially all molecules above M Daltons in molecular weight, thereby giving said aqueous fraction containing solutes substantially all of which molecules are below M Daltons in molecular weight, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons; some or substantially all of the water content of said aqueous fraction being removed to give said concentrated aqueous fraction or said residue.
- 3. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit as in claim 2, wherein the separation comprises the steps of obtaining a colloidal fraction and an aqueous fraction from said vegetation liquor by:
a) putting said vegetation liquor in contact with a material that preferentially adsorbs or absorbs substantially all the oleaginous parts and filtering out substantially all the undissolved solids to give, as filtrate, an essentially colloidal aqueous substance, and b) separating said substance into two fractions by one or more membrane filtrations, giving as retentate, said colloidal fraction containing substantially all the colloidal particles and containing solutes substantially all of which molecules are above M Daltons in molecular weight, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons; and giving as permeate, being substantially clear and containing solutes substantially all of which molecules are below M Daltons in molecular weight, said aqueous fraction.
- 4. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit as in claim 2, wherein the separation comprises the steps of obtaining an oleaginous fraction, a colloidal fraction and an aqueous fraction from said vegetation liquor by:
a) centrifuging said vegetation liquor to give a light phase, being essentially all the oleaginous parts, said light phase being recovered as said oleaginous fraction, a sediment phase containing substantially all the undissolved solids, and an aqueous phase which contains substantially all the colloidal particles and substantially all the solutes, said aqueous phase being recovered to give an essentially colloidal aqueous substance, or if necessary, filtered to remove out any remaining finer undissolved solids to give said essentially colloidal aqueous substance, and b) separating said substance into two fractions by one or more membrane filtrations, giving as retentate, said colloidal fraction containing substantially all the colloidal particles and containing solutes substantially all of which molecules are above M Daltons in molecular weight, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons; and giving as permeate, being substantially clear and containing solutes substantially all of which molecules are below M Daltons in molecular weight, said aqueous fraction.
- 5. A process as in claim 4, wherein step (a) of the process is conducted at a temperature below 13 degrees Celsius.
- 6. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit as in claim 2, wherein the separation comprises the steps of obtaining an oleaginous fraction, a colloidal fraction and an aqueous fraction from said vegetation liquor by:
a) separating said vegetation liquor by one or more membrane filtrations into two parts, the retentate containing substantially all the oleaginous parts and substantially all the undissolved solids, said oleaginous retentate being filtered to remove substantially all the undissolved solids to give, as filtrate, said oleaginous fraction; and giving, as permeate, an aqueous fraction containing substantially all the colloidal particles and substantially all the solutes, this being an essentially colloidal aqueous substance, and b) separating said substance into two fractions by one or more membrane filtrations, giving as retentate, said colloidal fraction containing substantially all the colloidal particles and containing solutes substantially all of which molecules are above M Daltons in molecular weight, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons; and giving as permeate, being substantially clear and containing solutes substantially all of which molecules are below M Daltons in molecular weight, said aqueous fraction.
- 7. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit as in claim 2, wherein the separation comprises the steps of obtaining an oleaginous fraction, a colloidal fraction and an aqueous fraction from said vegetation liquor by:
a) removing by filtration from said vegetation liquor substantially all of the undissolved solids contained in said vegetation liquor, and b) separating the filtrate obtained from the process in the above step (a) into two parts by one or more membrane filtrations, giving as permeate, an aqueous substance containing substantially all the colloidal particles and substantially all the solutes; and, as retentate, giving said oleaginous fraction containing substantially all the oleaginous parts, and c) separating the permeate obtained from the process in the above step (b) into two parts by one or more membrane filtrations, giving as retentate, said colloidal fraction containing substantially all the colloidal particles and containing solutes substantially all of which molecules are above M Daltons in molecular weight, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons; and giving as permeate, being substantially clear and containing solutes substantially all of which molecules ate below M Daltons in molecular weight, said aqueous fraction.
- 8. A process as in claim 3, comprising the additional step of removing from said aqueous fraction, being the substantially clear permeate obtained as a result of the process, some part of the water content or substantially all the water content to give either a concentrated aqueous fraction or a residue.
- 9. A process as in claim 4, comprising the additional step of removing from said aqueous fraction, being the substantially clear permeate obtained as a result of the process, some part of the water content or substantially all the water content to give either a concentrated aqueous fraction or a residue.
- 10. A process as in claim 6, comprising the additional step of removing from said aqueous fraction, being the substantially clear permeate obtained as a result of the process, some part of the water content or substantially all the water content to give either a concentrated aqueous fraction or a residue.
- 11. A process as in claim 7, comprising the additional step of removing from said aqueous fraction, being the substantially clear permeate obtained as a result of the process, some part of the water content or substantially all the water content to give either a concentrated aqueous fraction or a residue.
- 12. A process for extraction of phytochemicals from vegetation liquor derived from oil-bearing fruit as in claim 2, wherein the separation comprises the steps of obtaining a concentrated aqueous fraction or a residue from said vegetation liquor by:
a) separating said vegetation liquor by one or more membrane filtrations, into two parts, the retentate containing substantially all the oleaginous parts, substantially all the colloidal particles and substantially all the undissolved solids; and giving as permeate, being substantially clear and containing solutes substantially all of which molecules are below M Daltons in molecular weight, an aqueous fraction, where M, the molecular separation cut-off, is chosen to be less than 41,000 Daltons, and b) removing from said aqueous fraction some or substantially all the water content therein to give either said concentrated aqueous fraction or said residue.
- 13. A process as in claim 12 comprising the additional step of recovering from the retentate obtained as a result of step (a), substantially all of the oleaginous parts to give an oleaginous fraction.
- 14. A substance, being said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 2.
- 15. A substance, being said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 3.
- 16. A substance, being said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 4.
- 17. A substance, being said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 6.
- 18. A substance, being said aqueous fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 7.
- 19. A substance, being said concentrated aqueous fraction or said residue containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 2.
- 20. A substance, being said concentrated aqueous fraction or said residue containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids, obtained as a product of the process in claim 12.
- 21. A process for obtaining an extract rich in hydroxy acids or phenolic acids or flavonoids or any combination thereof comprising one or more steps of extraction, by means of a solvent or solvents, from vegetation liquor derived from oil-bearing fruit, being an aqueous fraction, a concentrated aqueous fraction, or a residue reconstituted into an aqueous form, adjusting the hydrogen ion concentration (pH), as necessary, of said vegetation liquor or said substances to effect separation of the desired hydroxy acids or phenolic acids or flavonoids or any combination thereof into either the aqueous phase or the solvent phase, and by recovering the phase containing said hydroxy acids or phenolic acids or flavonoids or any combination thereof, thereby recovering said extract.
- 22. A substance, being an extract rich in hydroxy acids or phenolic acids or flavonoids or any combination thereof, obtained as a product of the process in claim 21.
- 23. A substance, being a dried extract rich in hydroxy acids or phenolic acids or flavonoids or any combination thereof, characterised in that said dried extract is produced by removing substantially all of the water or substantially all of the solvent from the substance in the above claim 22.
- 24. A product characterised in that said product is produced using or containing, in any way, form or proportion, a fraction extracted from vegetation liquor derived from oil-bearing fruit, said fraction having substantially no oleaginous parts, substantially no colloidal particles and substantially no undissolved solids, and said fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids.
- 25. A product characterised in that said product is produced using or containing, in any way, form or proportion, a fraction derived from palm oil mill effluent or from concentrated palm oil mill effluent, said fraction having substantially no oleaginous parts, substantially no colloidal particles and substantially no undissolved solids, and said fraction containing, among other phytochemicals, flavonoids, phenolic acids and hydroxy acids.
Priority Claims (1)
Number |
Date |
Country |
Kind |
PI 9804378 |
Sep 1998 |
MY |
|
Parent Case Info
[0001] This application is a divisional of U.S. patent application Ser. No. 09/405,206, entitled “TREATMENT OF VEGETATION LIQUORS DERIVED FROM OIL-BEARING FRUIT,” by Ravigadevi Sambanthamurthi, Yew Ai Tan, and Kalyana Sundram, filed Sep. 24, 1999; and claims the benefit of Malaysian patent application number PI 9804378, filed Sep. 24, 1998, the entire contents of which are incorporated herein by reference.
[0002] Throughout this application, various publications are referenced. These publications are incorporated herein by reference to describe more fully the state of the art to which the invention pertains.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09405206 |
Sep 1999 |
US |
Child |
10269224 |
Oct 2002 |
US |