JPS5398955A - Purification of l-ascorbic acid or its isomer - Google Patents
Purification of l-ascorbic acid or its isomerInfo
- Publication number
- JPS5398955A JPS5398955A JP1261277A JP1261277A JPS5398955A JP S5398955 A JPS5398955 A JP S5398955A JP 1261277 A JP1261277 A JP 1261277A JP 1261277 A JP1261277 A JP 1261277A JP S5398955 A JPS5398955 A JP S5398955A
- Authority
- JP
- Japan
- Prior art keywords
- isomer
- ascorbic acid
- purification
- prepd
- soln
- 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.)
- Granted
Links
Landscapes
- Furan Compounds (AREA)
Abstract
PURPOSE: To prepare the title cpds., useful as pharmaceuticals, by removal of iron in a soln. of L-ascorbic acid or its isomer alkali metal salts with an active carbon prepd. by zinc chloride activation method.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1261277A JPS5398955A (en) | 1977-02-07 | 1977-02-07 | Purification of l-ascorbic acid or its isomer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1261277A JPS5398955A (en) | 1977-02-07 | 1977-02-07 | Purification of l-ascorbic acid or its isomer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5398955A true JPS5398955A (en) | 1978-08-29 |
JPS616830B2 JPS616830B2 (en) | 1986-03-01 |
Family
ID=11810181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1261277A Granted JPS5398955A (en) | 1977-02-07 | 1977-02-07 | Purification of l-ascorbic acid or its isomer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5398955A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4778902A (en) * | 1985-07-05 | 1988-10-18 | Takeda Chemical Industries, Ltd. | Method of purifying L-ascorbic acid |
US5817238A (en) * | 1994-12-26 | 1998-10-06 | Nippon Rensui Co. | Process for producing purified L-ascorbic acid |
-
1977
- 1977-02-07 JP JP1261277A patent/JPS5398955A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4778902A (en) * | 1985-07-05 | 1988-10-18 | Takeda Chemical Industries, Ltd. | Method of purifying L-ascorbic acid |
US5817238A (en) * | 1994-12-26 | 1998-10-06 | Nippon Rensui Co. | Process for producing purified L-ascorbic acid |
Also Published As
Publication number | Publication date |
---|---|
JPS616830B2 (en) | 1986-03-01 |
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