GB606304A - An improved method of obtaining fat or oil and feeding meal from fish, offal and thelike - Google Patents
An improved method of obtaining fat or oil and feeding meal from fish, offal and thelikeInfo
- Publication number
- GB606304A GB606304A GB1092/46A GB109246A GB606304A GB 606304 A GB606304 A GB 606304A GB 1092/46 A GB1092/46 A GB 1092/46A GB 109246 A GB109246 A GB 109246A GB 606304 A GB606304 A GB 606304A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oil
- pressed
- per cent
- fish
- drying
- 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
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
- C11B1/08—Production of fats or fatty oils from raw materials by pressing by hot pressing
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Physiology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Fats And Perfumes (AREA)
Abstract
Fat or oil and feeding meal is obtained from fish, fish offal, &c. by heating the material, pressing it for the extraction of oil and finally drying the pressed material. Before the fat or oil is pressed out, the water content of the raw material is reduced to 40 to 55 per cent. The material may be heated to 60-90 DEG C. before and/or after drying and pressed at that temperature. In the example given, herring is dried in an ordinary desiccator until its water content is about 45 per cent, in such a manner that its temperature on leaving the desiccator is 60-90 DEG C. Immediately afterwards, the material is pressed in a continuous screw press, leaving a residue containing about 4 per cent of fat and 40-45 per cent of water. The pressed material is then further dried and ground into meal and the oil purified in separators, centrifuges, &c. It is stated that the drying of the raw material to 40-55 per cent water content before pressing enables the oil to be extracted at lower pressures, that the fat content of the residue is very low, and that the loss of proteins in that water pressed out is reduced compared with normal practice.ALSO:Feeding meal is obtained from fish, fish offal &c. by heating the material, reducing the water content to 40 to 55 per cent, pressing out the oil, further drying the pressed material, and grinding it into meal. The material may be heated to 60-90 DEG C. before and/or after drying, and pressed at that temperature.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO606304X | 1942-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB606304A true GB606304A (en) | 1948-08-11 |
Family
ID=19906230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1092/46A Expired GB606304A (en) | 1942-01-26 | 1946-01-11 | An improved method of obtaining fat or oil and feeding meal from fish, offal and thelike |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB606304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244999A (en) * | 1990-06-15 | 1991-12-18 | Brainstorm Investments Limited | Extraction of fish oil |
-
1946
- 1946-01-11 GB GB1092/46A patent/GB606304A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244999A (en) * | 1990-06-15 | 1991-12-18 | Brainstorm Investments Limited | Extraction of fish oil |
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