# US 7,744,942 B2 · Thickening composition having improved viscosity-emerging property

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- Number: US 7,744,942 B2
- Document ID: US7744942B2
- Status: Granted
- Kind: B2
- Application number: 10/577,301
- Filed: 2006-03-08
- Published: 2008-11-13
- Granted: 2010-06-29
- Earliest claimed: 2005-03-11
- Assignees: Taiyo Kagaku Co., Ltd.
- Inventors: Yoshinori Seko; Tomohiro Kimura; Shuji Nishikawa
- Web page: https://patentgrep.com/patent/US7744942B2

## CPC

- A23L 27/60: Salad dressings; Mayonnaise; Ketchup
- A23L 29/27: {Xanthan not combined with other microbial gums}
- A23L: FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF (preservation thereof A23B)

## Abstract

A thickening composition characterized in that the thickening composition comprises a xanthan gum in which a potassium salt is attached to a powder surface of the xanthan gum.

## Claims

### Claim 1

A thickening composition comprising;
xanthan gum particles and a potassium salt,
wherein said xanthan gum particles are coated with said potassium salt, wherein when said coated xanthan gum particles are subjected to a 30-second vibration in a 60-mesh JIS standard sieve having an inner diameter of 150 mm at a vibration width of 2 to 3 mm and 3600 counts/min, wherein 20% by weight or less of the coated xanthan gum particles crushed by vibration pass through the sieve, and wherein xanthan gum particles prior to potassium salt coating have a particle size finer than 60 mesh.

### Claim 2 (depends on 1)

The thickening composition according to claim 1, wherein the coated xanthan gum particles are prepared by a method comprising the steps of spraying a potassium salt solution onto xanthan gum particles, and thereafter fluidizing and drying the sprayed xanthan gum particles to produce the coated xanthan gum particles.

### Claim 3 (depends on 1)

The thickening composition according to claim 1, wherein the potassium salt is coated on the xanthan gum particles, in an amount of 0.5 parts by weight or more and 7 parts by weight or less, based on 100 parts by weight of the xanthan gum particles.

### Claim 4 (depends on 1)

The thickening composition according to claim 1, wherein when the coated xanthan gum particles are added to ion-exchanged water in an amount of 1 part by weight based on 99 parts by weight of ion-exchanged water at 20° C., the xanthan gum is dispersed or dissolved without forming a lumpy mass, to reach 90% or more of a peak viscosity at 2 minutes after the addition.

### Claim 5 (depends on 1)

A foodstuff comprising the thickening composition according to claim 1.

### Claim 6 (depends on 1)

The thickening composition according to claim 1, wherein the coated xanthan gum particles crushed by vibration that pass through the sieve are 15% by weight or less.

### Claim 7 (depends on 1)

The thickening composition according to claim 1, wherein the coated xanthan gum particles crushed by vibration that pass through the sieve are 10% by weight or less.

### Claim 8 (depends on 1)

The thickening composition according to claim 1, wherein said potassium salt is one or more potassium salt selected from the group consisting of potassium chloride, monopotassium citrate, tripotassium citrate, potassium DL-hydrogentartrate, potassium L-hydrogentartrate, potassium carbonate, tetrapotassium pyrophosphate, potassium polyphosphate, potassium metaphosphate, tripotassium phosphate, dipotassium hydrogenphosphate, and potassium dihydrogenphosphate.

### Claim 9 (depends on 1)

The thickening composition according to claim 1, wherein the thickening composition consists essentially of coated xanthan gum particles and the potassium salt is selected from the group consisting of potassium chloride, monopotassium citrate, tripotassium citrate, potassium DL-hydrogentartrate, potassium L-hydrogentartrate, potassium carbonate, tetrapotassium pyrophosphate, potassium polyphosphate, potassium metaphosphate, tripotassium phosphate, dipotassium hydrogenphosphate, and potassium dihydrogenphosphate.