CN103891920B - A kind of fat or oil composition containing middle Long carbon chain triglycerides and preparation method thereof - Google Patents
A kind of fat or oil composition containing middle Long carbon chain triglycerides and preparation method thereof Download PDFInfo
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- CN103891920B CN103891920B CN201210571974.6A CN201210571974A CN103891920B CN 103891920 B CN103891920 B CN 103891920B CN 201210571974 A CN201210571974 A CN 201210571974A CN 103891920 B CN103891920 B CN 103891920B
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Abstract
The present invention relates to a kind of fat or oil composition containing middle Long carbon chain triglycerides and preparation method thereof, triglycerides containing a medium-chain fatty acid acyl group shared mass ratio in whole triglycerides is 1 ~ 90%, shared mass ratio is for being less than 1% in whole triglycerides for triglycerides containing 2 medium-chain fatty acid acyl groups, and the shared mass ratio in whole triglycerides of the triglycerides containing 3 medium-chain fatty acid acyl groups is less than 3%; Wherein, described medium-chain fatty acid refers to that carbon number is the aliphatic acid of 6 ~ 12, and described Long carbon chain aliphatic acid refers to that carbon number is the aliphatic acid of more than 14.Fat or oil composition of the present invention not only has the good cooking, also has the function reducing body fat accumulation simultaneously.
Description
Technical field
The present invention relates to a kind of fat or oil composition containing middle Long carbon chain triglycerides and preparation method thereof.
Background technology
Along with improving constantly of living standard, people also increase day by day for the demand of safety, nutrition, healthy grease.Middle Long carbon chain triglycerides is simultaneously containing quickly and efficiently for body provides energy and do not cause the medium-chain fatty acid of accumulation of fat and the Long carbon chain aliphatic acid as essential fatty acid, and its Synthesis and applications enjoys producers and consumers to pay close attention to.At present, middle Long carbon chain triglycerides is mainly used in medical application, and the patient that can be subject to obstacle for eubolism provides energy quickly and efficiently.Patent CN100372470C discloses Long carbon chain triglycerides and preparation method thereof in a kind of physical mixed of applicable critically ill patient, and patent CN 102140390A discloses the synthetic method that a kind of chemically catalyzed interesterification method prepares medical middle Long carbon chain mechanism triglycerides.The application of middle Long carbon chain triglycerides in edible oil and fat is studied less at present, and the middle Long carbon chain triglycerides that simple physical mixing obtains exists the shortcomings such as smoke point is low, easy to foaming, and directly application is restricted.Patent CN 1293176C discloses a kind of fat or oil composition containing medium-chain fatty acid that can be used for cooking, and the mass ratio of the triglycerides containing 2 medium-chain fatty acid acyl groups in its molecule shared by whole triglycerides is 1 ~ 20%.But when medium-chain fatty acid content height, then can suppress the absorption of Long carbon chain aliphatic acid, for healthy consumer, be unfavorable for the absorption of essential fatty acid.Therefore, fat or oil composition being necessary the middle Long carbon chain triglycerides studied containing 1 medium-chain fatty acid and preparation method thereof.
Summary of the invention
The object of the present invention is to provide a kind of based on fat or oil composition containing LCT in a medium chain fatty acid and preparation method thereof, the grease provided has good cooking applicability and reduces effect of body fat accumulation, the preparation method provided is skillfully constructed, production cost is low, is applicable to suitability for industrialized production.
The invention provides a kind of fat or oil composition containing middle Long carbon chain fatty acid acyl triglycerides, its triglycerides shared mass ratio in whole triglycerides containing a medium-chain fatty acid acyl group is 1 ~ 90%, shared mass ratio is for being less than 1% in whole triglycerides for triglycerides containing 2 medium-chain fatty acid acyl groups, and the shared mass ratio in whole triglycerides of the triglycerides containing 3 medium-chain fatty acid acyl groups is less than 3%; Wherein, described medium-chain fatty acid refers to that carbon number is the aliphatic acid of 6 ~ 12, and described Long carbon chain aliphatic acid refers to that carbon number is the aliphatic acid of more than 14.
In one more preferably embodiment, the shared mass ratio in whole triglycerides of the triglycerides containing a medium-chain fatty acid acyl group is 5 ~ 45%, is more preferably 15 ~ 40%.
In one more preferably embodiment, the shared mass ratio in whole triglycerides of the triglycerides containing 3 medium-chain fatty acid acyl groups is less than 2%.
In an embodiment of the invention, described fat or oil composition also comprise be selected from sucrose fatty ester, polyglyceryl fatty acid ester, butanedioic acid glyceride, monoglyceride, diglyceride, sorbitan fatty acid ester and sorbitan fatty acid ester at least one as emulsifying agent.
The present invention also provides preparation as described herein containing the method for the fat or oil composition of middle Long carbon chain fatty acid acyl triglycerides; its step comprises; with middle chain triglyceride be rich in the grease of Long carbon chain triglycerides for raw material; to account for the sodium methoxide of material quality 0.1% ~ 0.4% as catalyst; be that 1:0.5 ~ 1:15 mixes according to middle chain triglyceride and Long carbon chain triglycerides mol ratio, carry out chemically catalyzed interesterification reaction at 40 ~ 120 DEG C under the condition stirred.
In an embodiment of Grease preparation method of the present invention, the selected raw oil material containing Long carbon chain triglycerides can be one or more in soybean oil, rapeseed oil, corn oil, peanut oil, Canola oil, Rice oil, tea-seed oil, coconut oil, palm oil and sunflower oil.
In an embodiment of Grease preparation method of the present invention, middle chain triglyceride and Long carbon chain triglycerides mol ratio are 1:2 ~ 1:10, are preferably 1:2.5 ~ 1:8.
In an embodiment of Grease preparation method of the present invention, react and carry out under 50 ~ 100 DEG C of temperature conditions, be preferably 60 ~ 80 DEG C.
In an embodiment of Grease preparation method of the present invention, described stirring is under vacuum, and the time of ester exchange reaction is 15 ~ 90min.
In an embodiment of Grease preparation method of the present invention, described chemically catalyzed interesterification reaction terminates rear stopping heating, add aqueous citric acid solution cessation reaction, the addition of citric acid is 3 times that sodium methoxide adds mole, amount of water is 30% of material quality, abundant vibration mixing, centrifugal, washing, vacuum drying obtain the thick composition of middle LCT.
Specifically, the fat or oil composition containing middle Long carbon chain triglycerides of the present invention can realize by comprising following steps technical scheme method:
Step 1: take medium chain triglyceride and LCT according to mol ratio 1:2 ~ 1:10, joins in closed reactor after mixing, remove moisture in raw material under 95 DEG C of vacuum conditions;
Step 2: add account for material quality 0.1% ~ 0.4% sodium methoxide as catalyst, 40 ~ 120 DEG C and stir vacuum condition under reaction 15 ~ 90min.Reaction terminates rear stopping heating, add aqueous citric acid solution cessation reaction, the addition of citric acid is 3 times that sodium methoxide adds mole, and amount of water is 30% of material quality, abundant vibration mixing, centrifugal, washing, vacuum drying obtain the thick composition of middle LCT;
Step 3: the thick composition of middle LCT that above-mentioned steps obtains, again through refinement step such as decoloration and deodorizations, obtains middle LCT composition.
Beneficial effect of the present invention is: compared with existing middle LCT composition, the middle LCT composition that the present invention obtains more meets safety, nutrition, healthy requirement, and there is good cooking applicability, also there is the effect of weight reducing reducing body fat accumulation simultaneously.The preparation method provided is skillfully constructed, and production cost is low, is applicable to suitability for industrialized production.
Detailed description of the invention
Fat or oil composition of the present invention is formed primarily of triglycerides, refers in fat or oil composition, and the content of triglycerides is more than 85 quality, is preferably more than 95 quality %.
In the present invention, medium-chain fatty acid refers to that carbon number is the aliphatic acid of 6 ~ 12.
In the present invention, Long carbon chain aliphatic acid refers to that carbon number is the aliphatic acid of more than 14.
In the present invention, middle Long carbon chain fatty acid triglycercide, middle Long carbon chain triglycerides or middle Long carbon chain fatty acid acyl triglycerides refer to, in the Fatty acid compositions of triglycerides, existing medium-chain fatty acid has again the triglycerides of Long carbon chain aliphatic acid.
In the present invention, medium-chain triglycerides, middle chain triglyceride or medium-chain fatty acid acylglycerol three ester (medium-chain triglycerides, MCT) refer to, take medium-chain fatty acid as the triglycerides that main component is formed.
In the present invention, Long carbon chain fatty acid triglycercide, Long carbon chain triglycerides or Long carbon chain fatty acid acyl triglycerides (long-chain triglycerides, LCT) refer to, the triglycerides be made up of LCFA.
By following examples, explanation explanation detailed is further done to technical scheme of the present invention.
Embodiment 1:
To join in reactor after 4.675g middle chain triglyceride and 50.325g Long carbon chain triglycerides (soybean oil) mixing, under 95 DEG C of conditions, vacuum drying 30min removes the moisture in raw oil material, then temperature is remained on 55 DEG C, add 0.1375g sodium methoxide, aqueous citric acid solution cessation reaction is added after reaction 25min, citric acid addition and added sodium methoxide mol ratio are 3:1, and moisture addition is 30% of reaction substrate quality.Abundant vibration mixing, centrifugal, washing, vacuum drying obtain the thick composition of middle LCT, LCT composition during refining is obtained.
Embodiment 2:
To join in reactor after 2.75g middle chain triglyceride and 52.25g Long carbon chain triglycerides (rapeseed oil) mixing, under 95 DEG C of conditions, vacuum drying 30min removes the moisture in raw oil material, then temperature is remained on 75 DEG C, add 0.0825g sodium methoxide, aqueous citric acid solution cessation reaction is added after reaction 35min, citric acid addition and added sodium methoxide mol ratio are 3:1, and moisture addition is 30% of reaction substrate quality.Abundant vibration mixing, centrifugal, washing, vacuum drying obtain the thick composition of middle LCT, LCT composition during refining is obtained.
Embodiment 3:
To join in reactor after 8.25g middle chain triglyceride and 46.75g Long carbon chain triglycerides (sunflower oil) mixing, under 95 DEG C of conditions, vacuum drying 30min removes the moisture in raw oil material, then temperature is remained on 115 DEG C, add 0.2145g sodium methoxide, aqueous citric acid solution cessation reaction is added after reaction 20min, citric acid addition and added sodium methoxide mol ratio are 3:1, and moisture addition is 30% of reaction substrate quality.Abundant vibration mixing, centrifugal, washing, vacuum drying obtain the thick composition of middle LCT, LCT composition during refining is obtained.
Above-described embodiment is the good embodiment of the present invention; but embodiments of the present invention do not accept the restriction of appealing embodiment; other any does not deviate from the change done, modification under Spirit Essence of the present invention and principle, substitutes, combines, simplifies; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (11)
1. the fat or oil composition containing middle Long carbon chain fatty acid acyl triglycerides, it is characterized in that, triglycerides containing a medium-chain fatty acid acyl group shared mass ratio in whole triglycerides is 15 ~ 40%, shared mass ratio is for being less than 1% in whole triglycerides for triglycerides containing 2 medium-chain fatty acid acyl groups, and the shared mass ratio in whole triglycerides of the triglycerides containing 3 medium-chain fatty acid acyl groups is less than 3%; Wherein, described medium-chain fatty acid refers to that carbon number is the aliphatic acid of 6 ~ 12, and described Long carbon chain aliphatic acid refers to that carbon number is the aliphatic acid of more than 14.
2. fat or oil composition as claimed in claim 1, is characterized in that, the shared mass ratio in whole triglycerides of the triglycerides containing 3 medium-chain fatty acid acyl groups is less than 2%.
3. fat or oil composition as claimed in claim 1 or 2, it is characterized in that, its contain be selected from sucrose fatty ester, polyglyceryl fatty acid ester, butanedioic acid glyceride, monoglyceride, diglyceride, sorbitan fatty acid ester and sorbitan fatty acid ester at least one as emulsifying agent.
4. prepare the method for fat or oil composition according to any one of claims 1 to 3 for one kind, it is characterized in that, with middle chain triglyceride be rich in the grease of Long carbon chain triglycerides for raw material, to account for the sodium methoxide of material quality 0.1% ~ 0.4% as catalyst, be that 1:0.5 ~ 1:15 mixes according to middle chain triglyceride and Long carbon chain triglycerides mol ratio, carry out chemically catalyzed interesterification reaction at 40 ~ 120 DEG C under the condition stirred.
5. method as claimed in claim 4, it is characterized in that, the raw oil material containing Long carbon chain triglycerides selected is one or more in soybean oil, rapeseed oil, corn oil, peanut oil, Canola oil, Rice oil, tea-seed oil, coconut oil, palm oil and sunflower oil.
6. method as claimed in claim 4, it is characterized in that, middle chain triglyceride and Long carbon chain triglycerides mol ratio are 1:2 ~ 1:10.
7. method as claimed in claim 4, it is characterized in that, middle chain triglyceride and Long carbon chain triglycerides mol ratio are 1:2.5 ~ 1:8.
8. method as claimed in claim 4, is characterized in that, react and carry out under 50 ~ 100 DEG C of temperature conditions.
9. method as claimed in claim 4, is characterized in that, react and carry out under 60 ~ 80 DEG C of temperature conditions.
10. method as claimed in claim 4, it is characterized in that, described stirring is under vacuum, and the time of ester exchange reaction is 15 ~ 90min.
11. methods as claimed in claim 4, it is characterized in that, described chemically catalyzed interesterification reaction terminates rear stopping heating, add aqueous citric acid solution cessation reaction, the addition of citric acid is 3 times that sodium methoxide adds mole, amount of water is 30% of material quality, mixing of fully vibrating, and centrifugal, washing, vacuum drying obtains the thick composition of middle LCT.
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| CN105638927B (en) * | 2014-11-13 | 2020-11-10 | 丰益(上海)生物技术研发中心有限公司 | Oil and fat composition and method for producing oil and fat composition |
| CN107708427A (en) * | 2015-06-15 | 2018-02-16 | 日清奥利友集团株式会社 | Plastic Fat Composition |
| CN111304006B (en) * | 2020-03-03 | 2021-09-24 | 江南大学 | Preparation method of triglyceride rich in long carbon chain structure in alpha-linolenic acid and product |
| CN112913934A (en) * | 2021-03-24 | 2021-06-08 | 固始县豫申粮油工贸有限公司 | Preparation method of powdered medium-long carbon chain triglyceride rice oil |
| CN113073122B (en) * | 2021-04-29 | 2023-04-18 | 江南大学 | Method for preparing hot pot seasoning oil rich in medium-long carbon chain triglyceride by enzyme method |
| CN114009786B (en) * | 2021-11-22 | 2023-04-07 | 江南大学 | Nutritional oil composition for vitamin D delivery, preparation method and application |
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| CN1454251A (en) * | 2000-08-22 | 2003-11-05 | 日清奥利友株式会社 | Fat compositions |
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| CN102140390A (en) * | 2011-03-07 | 2011-08-03 | 四川国瑞药业有限责任公司 | Synthesis method of medium/long-chain triglyceride |
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| JP3850840B2 (en) * | 2004-01-14 | 2006-11-29 | 花王株式会社 | Low calorie food |
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| CN1454251A (en) * | 2000-08-22 | 2003-11-05 | 日清奥利友株式会社 | Fat compositions |
| CN101530138A (en) * | 2009-04-15 | 2009-09-16 | 铁岭三能科技有限公司 | Medium-long chain health care prandial oil |
| CN101919450A (en) * | 2010-06-04 | 2010-12-22 | 山东三星玉米产业科技有限公司 | Corn oil containing medium chain fatty acid ester and preparation method thereof |
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