JPS5398955A - Purification of l-ascorbic acid or its isomer - Google Patents

Purification of l-ascorbic acid or its isomer

Info

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
Application number
JP1261277A
Other languages
Japanese (ja)
Other versions
JPS616830B2 (en
Inventor
Takao Niinobe
Tetsuji Kaizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Priority to JP1261277A priority Critical patent/JPS5398955A/en
Publication of JPS5398955A publication Critical patent/JPS5398955A/en
Publication of JPS616830B2 publication Critical patent/JPS616830B2/ja
Granted legal-status Critical Current

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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
JP1261277A 1977-02-07 1977-02-07 Purification of l-ascorbic acid or its isomer Granted JPS5398955A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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