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Process for the production of yeast extracts having low turbidity
US9192184B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9192184-B2 |
| Application number | US-201213984755-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 15, 2012 |
| Priority date | Feb 17, 2011 |
| Publication date | Nov 24, 2015 |
| Grant date | Nov 24, 2015 |
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Abstract
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A process to produce a yeast extract is described comprising a) subjecting yeast to autolysis; and b) subjecting the autolysate to solid/liquid separation and recovering the soluble fraction, whereby the solid/liquid separation in step b) is done at a pH of less than 5.1. The process of the invention is simple, has a high yield, and results in a yeast extract having low turbidity.
First claim
Opening claim text (preview).
The invention claimed is: 1. A process for producing a yeast extract having a low turbidity comprising: a) subjecting a yeast to autolysis; and b) subjecting the autolysate to solid/liquid separation and recovering a soluble fraction, wherein the autolysis in a) is performed at a pH of greater than 5.0, wherein the solid/liquid separation in b) is done at a pH of lower than 4.0 and higher than 1.0 and wherein the turbidity of the yeast extract produced by the process measured at a dry matter content of 5% is less than 20 NTU. 2. The process according to claim 1 , wherein the pH in b) is 3.5 or less and higher than 1.0. 3. The process according to claim 1 , wherein the pH is higher than 2.0. 4. The process according to claim 1 , wherein recovering in b) is done by centrifugation. 5. The process according to claim 1 , comprising after b): c) converting RNA into 5′-ribonucleotides. 6. The process according to claim 5 , comprising after c): d) separating the 5′-ribonucleotides from other soluble material. 7. A yeast extract wherein turbidity of the yeast extract measured at a dry matter content of 5% is less than 20 NTU. 8. The yeast extract obtainable by the process of claim 1 .
Assignees
Inventors
Classifications
Yeasts; Culture media therefor · CPC title
of yeast · CPC title
- A23L31/15Primary
Extracts · CPC title
Edible extracts or preparations of fungi; Preparation or treatment thereof · CPC title
Food compositions, function of food ingredients or processes for food or foodstuffs · CPC title
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- What does patent US9192184B2 cover?
- A process to produce a yeast extract is described comprising a) subjecting yeast to autolysis; and b) subjecting the autolysate to solid/liquid separation and recovering the soluble fraction, whereby the solid/liquid separation in step b) is done at a pH of less than 5.1. The process of the invention is simple, has a high yield, and results in a yeast extract having low turbidity.
- Who is the assignee on this patent?
- Noordam Bertus, Dsm Ip Assets Bv
- What technology area does this patent fall under?
- Primary CPC classification A23L31/15. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Nov 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).