GB667039A - Improvements in and relating to the manufacture of preparations containing the anti-pernicious anaemia factor - Google Patents
Improvements in and relating to the manufacture of preparations containing the anti-pernicious anaemia factorInfo
- Publication number
- GB667039A GB667039A GB1851749A GB1851749A GB667039A GB 667039 A GB667039 A GB 667039A GB 1851749 A GB1851749 A GB 1851749A GB 1851749 A GB1851749 A GB 1851749A GB 667039 A GB667039 A GB 667039A
- Authority
- GB
- United Kingdom
- Prior art keywords
- extract
- relating
- factor
- manufacture
- preparations containing
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
In a process for removing impurities from an extract containing material having anti-pernicious an mia activity, e.g. an extract of liver or prepared from micro-organisms, the extract is treated with nitrous acid. The acidic impurities may be removed by means of an organic solvent, e.g. ether, chloroform, lower aliphatic esters, and butyl and amyl alcohols from the resulting solution, or alternatively by anion-exchange resins. Alternatively the active material may be extracted from the solution resulting from the nitrous acid treatment by rendering the latter neutral or alkaline and extracting with a suitable solvent. Detailed examples are given. Specifications 469,430 and 665,485 are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1851749A GB667039A (en) | 1949-07-13 | 1949-07-13 | Improvements in and relating to the manufacture of preparations containing the anti-pernicious anaemia factor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1851749A GB667039A (en) | 1949-07-13 | 1949-07-13 | Improvements in and relating to the manufacture of preparations containing the anti-pernicious anaemia factor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB667039A true GB667039A (en) | 1952-02-20 |
Family
ID=10113792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1851749A Expired GB667039A (en) | 1949-07-13 | 1949-07-13 | Improvements in and relating to the manufacture of preparations containing the anti-pernicious anaemia factor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB667039A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE945649C (en) * | 1953-01-06 | 1956-07-12 | Hoechst Ag | Process for fortifying vitamin B. |
-
1949
- 1949-07-13 GB GB1851749A patent/GB667039A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE945649C (en) * | 1953-01-06 | 1956-07-12 | Hoechst Ag | Process for fortifying vitamin B. |
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