WO2005028601A1 - 油脂の乾式分別方法 - Google Patents
油脂の乾式分別方法 Download PDFInfo
- Publication number
- WO2005028601A1 WO2005028601A1 PCT/JP2004/010322 JP2004010322W WO2005028601A1 WO 2005028601 A1 WO2005028601 A1 WO 2005028601A1 JP 2004010322 W JP2004010322 W JP 2004010322W WO 2005028601 A1 WO2005028601 A1 WO 2005028601A1
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- solid
- liquid
- temperature
- fraction
- fractionation
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Classifications
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- 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
- C11B7/00—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils
- C11B7/0075—Separation of mixtures of fats or fatty oils into their constituents, e.g. saturated oils from unsaturated oils by differences of melting or solidifying points
Definitions
- the present invention relates to a method for dry fractionation of fats and oils, particularly fats and oils that are solid at room temperature, such as hard butter, and that melt or are liquid near body temperature.
- Solvent fractionation and dry fractionation are generally known as fat / oil fractionation techniques. Separation technology is a technology for fractionating fats and oils into a crystal fraction and a liquid fraction by utilizing the difference in melting properties.However, the difference in the fractionation performance between the crystal fraction and the liquid fraction depends on the fractionation method. Come out.
- Solvent fractionation is a method in which a solvent (acetone, hexane, alcohol, etc.) is added to oils and fats 0.5 to 5 times, dissolved, cooled, and crystals are precipitated and fractionated.
- a solvent acetone, hexane, alcohol, etc.
- fractionation performance is extremely good, handling requires careful attention to safety and hygiene due to the use of solvents, requires large-scale equipment, and increases costs due to solvent removal. There's a problem.
- the dry fractionation method is a method of cooling the heated and melted fats and oils to precipitate crystals, and separating them from the liquid part by filtration or the like.Since no solvent is used, safety and low cost are considered. Although good, the problem is that the fractionation performance of the crystal fraction and the liquid fraction is low.
- the present invention provides a method wherein a crystal fraction containing G2U and glyceride having a higher melting point than that obtained by crystallization and solid-liquid separation is heated to partially melt, and then subjected to solid-liquid separation. It is a method for dry separation of fats and oils.
- the above-mentioned crystal fraction crystallizes oils and fats (A) containing G2U and GU2, and solid-liquid separation is performed, whereby the crystal fraction enriched in G2U (AF) and the liquid fraction enriched in GU2 (AL) G2U is 1, 3-di-saturated-2-unsaturated tridaliceride, and the saturated fatty acid residue has 16 to 22 carbon atoms.
- the invention is based on the method of dry fractionation of fats and oils (A) which are vegetable butters, transesterification oils or crystal fractions obtained by dry fractionation thereof, or fats and oils which are isomerized hardened fats and oils.
- A fats and oils
- G is a saturated or trans acid fatty acid residue
- U is a cis unsaturated fatty acid residue
- G2U is a triglyceride having two G residues and one U residue.
- the crystal fraction containing G2U and glyceride having a higher melting point than that obtained by crystallization and solid-liquid separation is heated and partially melted to obtain a crystal with time.
- a dry fractionation method that can obtain a fat and oil for chocolate (hard butter) with good workability in terms of quality was obtained.
- the present invention relates to a dry fractionation method for fractionating fats and oils without using a solvent (acetone, hexane, etc.).
- G is a saturated or trans acid fatty acid residue
- U is a cis unsaturated fatty acid residue
- two saturated or trans acid fatty acid residues and one cis unsaturated fatty acid residue.
- a triglyceride to which the group is attached and a higher melting glyceride is GGG, that is, three saturated Triglycerides to which sum or trans acid fatty acid residues are bound, such as 1,3-_2-palmitoyl glyceride (St-P-St) and GG-DG, ie, diglycerides to which two saturated or trans acid fatty acid residues are bound
- 1,2-distearoyl glyceride St_St_DG
- G2U and fats containing higher-melting glycerides which, for example, G2U is main component, not less than 60 wt% as a content, high melting glycerides (GGG + GG-DG) Power 1 wt 0/0
- G2U types include GUG type and GGU type.
- the difference between the solubility of the main component and the high-melting dariseride in the liquid fraction can be easily increased by utilizing the difference in solubility.
- a small amount of the glyceride having a high melting point can be separated from the main component.
- the fat and oil (A) containing G2U and GU2 is preferably a vegetable butter, a transesterification oil or a crystal fraction obtained by fractionating them, or an isomerized hardened fat or oil.
- Vegetable butters include, for example, vegetable oils such as palm oil, soybean oil, rapeseed oil, corn oil, cottonseed oil, castor oil, cashew oil, and shea butter.
- the crystal fraction (AF) may be obtained by solvent fractionation, but the crystal fraction (AF) obtained by dry fractionation can be easily obtained because the production equipment does not require solvent removal.
- the crystal fraction (AF) contains a force G2U that can be used as hard butter and glycerides (GGG and GG-DG) having a higher melting point, and this GGG and GG-DG C Tends to degrade the performance of dough butter. Therefore, the crystal fraction is then heated and partially melted, so that the high-melting-point glyceride remains on the crystal side and is concentrated for solid-liquid separation.
- GGG and GG-DG glycerides having a higher melting point
- G2U In order to partially melt the solid unmelted crystal fraction by heating, G2U is melted as uniformly as possible, but the glyceride with a higher melting point is heated to a temperature at which it does not melt. Warm up.
- a method of uniformly raising the temperature for example, there is a method in which the crystal fraction is allowed to stand in a space in which the outside air temperature is set to a target temperature for a certain time or more. In this case, the surface area of the crystal fraction (AF) is increased by coarsely crushing or crushing the crystal fraction (AF), and the time required for uniformly raising the temperature can be shortened. Further, when the stirring is accompanied, the uniform temperature rise becomes better.
- the high-melting-point glyceride By raising the temperature and partially melting the crystal fraction, the high-melting-point glyceride is concentrated on the crystal side, and the high-melting-point glyceride can be fractionated by solid-liquid separation.
- the saturated fatty acid residues (S) of SUS include those having 16 to 22 carbon atoms (C16: palmitic acid, C18: stearic acid, C20: arachidic acid, C22: behenic acid).
- the type of unsaturated fatty acid residue (U) is not limited to the number of double bonds, but in particular, oleic acid having a number of double bonds is preferred.
- SUS 1,3-distear port-2-oleoyl triglyceride (StOSt), 1,3-dipalmitit-2-oleoyl triglyceride (POP), 1-palmit, 3-steer port_2-o Reoyl triglyceride (POSt) power S.
- the heating temperature melts G2U, but does not melt glyceride with a higher melting point, but raises the temperature so that both can be separated into solid and liquid. It is sufficient to raise the temperature according to the molecular species of glyceride. For example, in the case of StOSt, the temperature at which the temperature is raised to partially melt is 40 to 45 ° C. If the temperature is lower than 40 ° C, it is difficult to solidify the StOSt component and perform solid-liquid separation. If the temperature is higher than 45 ° C, all the components are easily melted.
- the separation performance of the StOSt component and the glyceride having a higher melting point can be improved.
- a place for fats and oils that contain a lot of POP In this case, 27-30.5.
- the method of fractionating the solid-liquid after the temperature raising operation is not particularly limited as long as it is a method of separating the solid and the liquid, such as squeezing, suction filtration, natural filtration, and centrifugation.
- the squeezing method is preferable in consideration of the amount, the yield of the liquid fraction and the quality.
- the pressure (pressing) at the time of pressing is not particularly limited as long as the crystal fraction and the liquid fraction are separated and the crystal fraction is adjusted so as not to be melted by the pressure.
- the mesh degree of the filter at the time of fractionation is not particularly limited as long as it is selected according to the particle size of the crystal fraction.
- a transesterification reaction was carried out between ethyl stearate ester and oleaginous castor oil using a lipase having 1,3-position specificity as a catalyst, and then the ethyl ester was removed by distillation to prepare an ester exchange reaction oil.
- This transesterification oil (including StOSt 'StOO' StStSt, etc.) is completely melted at 50 ° C or higher, then solidified at 23 ° C (product temperature 23 ° C), solid-liquid separated by squeezing filtration, and crystal fraction. (50% yield).
- the contents of StOSt, St ⁇ , StStSt, and StSt-DG in the crystal fraction are shown below. Component analysis was performed by high performance liquid chromatography.
- the entire crystal fraction was put into a melter and melted by heating.
- the melter was equipped with a heating coil inside a stainless steel tank of W380mm X L380mm X H400mm, and used a structure that could circulate hot water at a constant temperature inside the coil. After heating the crystal fraction to a temperature of 43.0 ° C, hold it for a certain time (about 120 minutes) while stirring (30 (m), and press-filter it with a filter press. Then, solid-liquid separation was performed to obtain a liquid side from which the crystal side on which the high melting point glyceride was concentrated was removed. Table 2 shows the composition of the high melting point glycerides on the liquid side, and the typical G2U and GU2 compositions (% by weight).
- Comparative Example 1 the temperature was low and solid-liquid separation could not be performed. Further, in Comparative Example 2, the temperature was raised to a high temperature, so that complete melting occurred and solid-liquid separation was not possible.
- Example 123 high-melting-point glyceride fractionation was successfully performed.
- a high melting point glyceride contained in a palm medium melting point fraction (PMF: POP content 46.5%, ??? content 1.31%) obtained from palm oil by a dry fractionation method (Glycerol).
- PMF palm medium melting point fraction
- the fractionation method is as follows. The cooled and solidified PMF was coarsely crushed and then put into a melter and melted by heating. As the melter used for the heat melting, a transesterification reaction was carried out using a lipase having 1,3-position specificity in ethyl stearylate and oleaginous castor oil as catalysts.
- Solid-liquid separation was carried out in the same manner as in Example 4 except that the temperature of the PMF was raised to 30.7 ° C to obtain a liquid side from which the crystal side on which high-melting point glyceride was concentrated was removed.
- Table 4 shows the composition (wt%) of POP and PPP contained in the liquid side.
- Example 4 the PPP content was 1.0% or less, and it was found that high-melting-point glycerides were fractionated.
- Comparative Example 3 the POP fraction remained unmelted on the crystal side and the POP content on the liquid side decreased due to the low heating temperature at which the PPP content was 1.0% or less. At 26.5 ° C, the viscosity of PMF was too high to perform sufficient pressure filtration.
- Example 2 The same transesterification oil (including stost'stoo'ststst etc.) as used in Example 1 was completely melted at 50 ° C or higher, then solidified at 23 ° C (product temperature 23 ° C), and subjected to pressure filtration.
- the crystal fraction (yield 50%) obtained by solid-liquid separation was completely melted at 70 ° C according to the conventional dry fractionation method, and the product temperature was raised to 38 ° C in 1 hour while stirring at 15 rpm. Cooling was carried out until it was. Thereafter, the temperature was maintained for 1 hour, and the product was cooled to 3 C in 30 minutes.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005514002A JP4534986B2 (ja) | 2003-09-17 | 2004-07-21 | 油脂の乾式分別方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003324787 | 2003-09-17 | ||
JP2003-324787 | 2003-09-17 |
Publications (1)
Publication Number | Publication Date |
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WO2005028601A1 true WO2005028601A1 (ja) | 2005-03-31 |
Family
ID=34372755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010322 WO2005028601A1 (ja) | 2003-09-17 | 2004-07-21 | 油脂の乾式分別方法 |
Country Status (3)
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JP (1) | JP4534986B2 (ja) |
MY (1) | MY136500A (ja) |
WO (1) | WO2005028601A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2357529A2 (en) | 2005-06-02 | 2011-08-17 | Carl Zeiss SMT GmbH | Optical imaging arrangement |
KR101198226B1 (ko) | 2010-05-03 | 2012-11-07 | 씨제이제일제당 (주) | 에스테르 교환 유지 조성물의 건식 분별 방법 |
WO2012169457A1 (ja) * | 2011-06-06 | 2012-12-13 | 日清オイリオグループ株式会社 | 油脂の分別方法 |
WO2024190465A1 (ja) * | 2023-03-10 | 2024-09-19 | 不二製油グループ本社株式会社 | チョコレート用油脂組成物 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0214290A (ja) * | 1988-07-01 | 1990-01-18 | Fuji Oil Co Ltd | 油脂の乾式分別法 |
-
2004
- 2004-07-21 JP JP2005514002A patent/JP4534986B2/ja not_active Expired - Fee Related
- 2004-07-21 WO PCT/JP2004/010322 patent/WO2005028601A1/ja active Application Filing
- 2004-09-16 MY MYPI20043752 patent/MY136500A/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0214290A (ja) * | 1988-07-01 | 1990-01-18 | Fuji Oil Co Ltd | 油脂の乾式分別法 |
Non-Patent Citations (3)
Title |
---|
CHONG C.N. ET AL.: "Fractionation procedures for obtaining cocoa butter-like fat from enzymatically interesterified palm olein", J. AM. OIL CHEM. SOC., vol. 69, no. 2, 1992, pages 137 - 140, XP000261553 * |
DIMICK P.S. ET AL.: "Thermal and compositional properties of cocoa butter during static chrystallization", J. AM. OIL CHEM.SOC., vol. 64, no. 12, 1987, pages 1663 - 1669, XP002904107 * |
MINATO A. ET AL.: "Thermal and structural properties of sn-1, 3-Dipalmitoyl-2-oleoylglycerol and sn-1,3-dioleoyl-2-palmitoylglycerol binary mixtures examined with synchrotron radiation x-ray diffraction", J. AM. OIL CHEM. SOC., vol. 74, no. 10, 1997, pages 1213 - 1220, XP002904106 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2357529A2 (en) | 2005-06-02 | 2011-08-17 | Carl Zeiss SMT GmbH | Optical imaging arrangement |
KR101198226B1 (ko) | 2010-05-03 | 2012-11-07 | 씨제이제일제당 (주) | 에스테르 교환 유지 조성물의 건식 분별 방법 |
WO2012169457A1 (ja) * | 2011-06-06 | 2012-12-13 | 日清オイリオグループ株式会社 | 油脂の分別方法 |
WO2024190465A1 (ja) * | 2023-03-10 | 2024-09-19 | 不二製油グループ本社株式会社 | チョコレート用油脂組成物 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005028601A1 (ja) | 2007-10-04 |
MY136500A (en) | 2008-10-31 |
JP4534986B2 (ja) | 2010-09-01 |
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