GB565565A - Improvements in or relating to the stabilisation of oils and fats against oxidation - Google Patents
Improvements in or relating to the stabilisation of oils and fats against oxidationInfo
- Publication number
- GB565565A GB565565A GB14141/42A GB1414142A GB565565A GB 565565 A GB565565 A GB 565565A GB 14141/42 A GB14141/42 A GB 14141/42A GB 1414142 A GB1414142 A GB 1414142A GB 565565 A GB565565 A GB 565565A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oils
- fats
- products
- oct
- under reduced
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
565,565. Stabilizing fats and oils. NATIONAL OIL PRODUCTS CO. Oct. 8, 1942, No. 14141. Convention date, Oct. 10, 1941. [Class 91] Oxidisable fats and oils which have been affected by oxidation are stabilised by subjecting the fatty material to a process for decomposing peroxides by heating under reduced pressure or treating with reducing agents and then adding an anti-oxidant. The oils concerned are particularly vitamin-containing fatty oils, preferably vitamin A ; fish liver oils are specified. In the purification step by heating under reduced pressure, a temperature of 135-200‹ C. or above may be used. The reduction method includes treatment of an acidified solvent solution of the material, e.g. an acetic acid-chloroform solution with potassium iodide and subsequent removal of the free iodine, excess K1, acid and solvent and also washing the material with an aqueous solution of sodium thiosulphate, sodium hydrosulphite or pyrogallol. The antioxidants may be chemical or natural products ; the chemical products specified comprise amino-phenols, other substituted phenols, ketols, hydroquinone and its derivatives, lecithin, eugenol, ethanolamine, thiourea and its substitution products, and acetyl and methyl carbinol. The natural products may be concentrates prepared from fats, oils and oily seeds and meals by the processes of Specifications 550,983 and 553,328.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US565565XA | 1941-10-10 | 1941-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB565565A true GB565565A (en) | 1944-11-16 |
Family
ID=22005183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14141/42A Expired GB565565A (en) | 1941-10-10 | 1942-10-08 | Improvements in or relating to the stabilisation of oils and fats against oxidation |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB565565A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011103B (en) * | 1953-05-20 | 1957-06-27 | Dr Arno Nichterlein | Process for the refining and stabilization of terminal oxy compounds and carboxyl compounds with unsaturated carbon chains |
GB2140806A (en) * | 1983-05-28 | 1984-12-05 | Sekimoto Hiroshi | Stabilisation of unsaturated fatty acids, fish oils or fish |
-
1942
- 1942-10-08 GB GB14141/42A patent/GB565565A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011103B (en) * | 1953-05-20 | 1957-06-27 | Dr Arno Nichterlein | Process for the refining and stabilization of terminal oxy compounds and carboxyl compounds with unsaturated carbon chains |
GB2140806A (en) * | 1983-05-28 | 1984-12-05 | Sekimoto Hiroshi | Stabilisation of unsaturated fatty acids, fish oils or fish |
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