JPS5699453A - Crystallizing method of citrulline - Google Patents
Crystallizing method of citrullineInfo
- Publication number
- JPS5699453A JPS5699453A JP190280A JP190280A JPS5699453A JP S5699453 A JPS5699453 A JP S5699453A JP 190280 A JP190280 A JP 190280A JP 190280 A JP190280 A JP 190280A JP S5699453 A JPS5699453 A JP S5699453A
- Authority
- JP
- Japan
- Prior art keywords
- citrulline
- crystal
- solution
- anhydride
- crystallization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RHGKLRLOHDJJDR-UHFFFAOYSA-N Ndelta-carbamoyl-DL-ornithine Natural products OC(=O)C(N)CCCNC(N)=O RHGKLRLOHDJJDR-UHFFFAOYSA-N 0.000 title abstract 11
- 229960002173 citrulline Drugs 0.000 title abstract 11
- 235000013477 citrulline Nutrition 0.000 title abstract 11
- RHGKLRLOHDJJDR-BYPYZUCNSA-N L-citrulline Chemical compound NC(=O)NCCC[C@H]([NH3+])C([O-])=O RHGKLRLOHDJJDR-BYPYZUCNSA-N 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- -1 citrulline anhydride Chemical class 0.000 abstract 5
- 239000013078 crystal Substances 0.000 abstract 5
- 238000002425 crystallisation Methods 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003456 ion exchange resin Substances 0.000 abstract 1
- 229920003303 ion-exchange polymer Polymers 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To obtain a granular citrulline anhydride crystal having improved storage stability, by inoculating a δ crystal of citrulline anhydride into a saturated or supersaturated solution of citrulline, and concentrating and crystallizing the citrulline anhydride under specific conditions.
CONSTITUTION: A saturated or supersaturated solution of citrulline (raw solution for crystallization) is inoculated with about 0.1W30%, based on the total crystallized amount, δ crystal of citrulline anhydride at 45°C or above. The solution is then concentrated and crystallized while maintaining the concentration of the citrulline in a metastable supersaturation region at 45°C or above to give a granular crystal of citrulline. As for the raw solution for crystallization, a crude crystal of citrulline dihydrate or a solution treated with an ion exchange resin is used. The method is suitable particularly for the final crystallization of the citrulline.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP190280A JPS5699453A (en) | 1980-01-11 | 1980-01-11 | Crystallizing method of citrulline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP190280A JPS5699453A (en) | 1980-01-11 | 1980-01-11 | Crystallizing method of citrulline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5699453A true JPS5699453A (en) | 1981-08-10 |
Family
ID=11514500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP190280A Pending JPS5699453A (en) | 1980-01-11 | 1980-01-11 | Crystallizing method of citrulline |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5699453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010059125A (en) * | 2008-09-05 | 2010-03-18 | Ajinomoto Co Inc | Method for crystallizing citrulline |
-
1980
- 1980-01-11 JP JP190280A patent/JPS5699453A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010059125A (en) * | 2008-09-05 | 2010-03-18 | Ajinomoto Co Inc | Method for crystallizing citrulline |
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