IP Library Granted Patent US 7,521,079
Granted Patent B2
US 7,521,079 · App. 10/481,519 · Granted Apr 21, 2009

Process for producing an extract of

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Quick Facts
Patent No.
US 7,521,079
App. No.
10/481,519
Granted
Apr 21, 2009
Kind
B2
Abstract

The present invention relates to a method for producing a liquid plant extract containing plant powder, which includes concentrating a liquid extract containing an active ingredient in the presence of the plant powder, the liquid extract being obtained from a plant containing the active ingredient; a process for producing a plant extract containing plant powder, which is characterized by concentrating and drying a liquid extract containing an active ingredient in the presence of the plant powder.

Claims (28)

1. A process for producing an extract of Hydrangea , which comprises the steps of:

obtaining a liquid extract of Hydrangea;

admixing a plant powder with said liquid extract; and

concentrating said admixed powder and liquid extract by heating under reduced pressure only.

2. A process for producing an extract of Hydrangea , which comprises the steps of:

obtaining a liquid extract of Hydrangea;

obtaining a plant powder;

admixing said plant powder with said liquid extract; and

concentrating said admixed powder and liquid extract by heating under reduced pressure only.

3. A process for producing an extract of Hydrangea , which comprises the steps of:

obtaining a liquid extract of Hydrangea;

obtaining a plant powder;

admixing said powder with said liquid extract;

concentrating said admixed powder and liquid extract by heating under reduced pressure only; and

drying said concentrated mixture of powder and liquid extract.

4. A process as claimed in any of claims 1 to 3 , wherein the liquid extract is prepared by extracting Hydrangea with aqueous ethanol and removing the resultant residue.

5. A process as claimed in any of claims 1 to 3 , wherein the powder is present in an amount of 19 to 1/19 parts by dry weight based on 1 part of the liquid extract by weight.

6. A process as claimed in claim 5 , wherein the Hydrangea is Hydrangea macrophylla SERINGE var. Thunbergii Makino.

7. A process as claimed in claim 6 , wherein the extract contains phyllodulcin.

8. A process as claimed in claim 5 , wherein the powder is in the form of particles of 0.1 mm to 1 mm in average particle size in dry state.

9. A process as claimed in claim 8 , wherein the powder is Hydrangea powder.

10. A process as claimed in claim 8 , wherein the powder is Hydrangea e Dulcis Folium powder, green tea powder or turmeric powder.

11. A process as claimed in claim 4 , wherein the powder is present in an amount of 19 to 1/19 parts by dry weight based on 1 part of the liquid extract by weight.

12. A process as claimed in claim 11 , wherein Hydrangea is Hydrangea macrophylla SERINGE var. Thunbergii Makino.

13. A process as claimed in claim 12 , wherein the extract contains phyllodulcin.

14. A process as claimed in claim 11 , wherein the powder is in the form of particles of 0.1 mm to 1 mm in average particle size in dry state.

15. A process as claimed in claim 14 , wherein the powder is Hydrangea powder.

16. A process as claimed in claim 14 , wherein the powder is Hydrangeae Dulcis Folium powder, green tea powder or turmeric powder.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2009
From: KYOWA HAKKO KOGYO CO., LTD.
To: KYOWA HAKKO BIO CO., LTD.
Reel/Frame 022578/0259 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2003
From: SAKAI, YASUSHI; YOKOO, YOSHIHARU
To: KYOWA HAKKO KOGYO CO., LTD.
Reel/Frame 015306/0218 →