CN104543045A - Grease composition, preparation method and usage thereof - Google Patents
Grease composition, preparation method and usage thereof Download PDFInfo
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- CN104543045A CN104543045A CN201310475126.XA CN201310475126A CN104543045A CN 104543045 A CN104543045 A CN 104543045A CN 201310475126 A CN201310475126 A CN 201310475126A CN 104543045 A CN104543045 A CN 104543045A
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Abstract
The present invention relates to the field of deep processing of grease. Specifically, the present invention relates to a grease composition, a preparation method and a usage thereof. More specifically, the grease composition comprises transesterification reaction product material of a medium-carbon-chain triglyceride fatty acid and long-carbon-chain triglyceride fatty acid. Relative to the total weight of the fatty acids forming the grease composition, the medium-carbon-chain triglyceride fatty acid accounts for 5-25 wt%; relative to the total weight of the grease composition, an antioxidant accounts for 5 x 10<-3> - 6 x 10<-2> wt%, and an antifoaming agent accounts for 0 - 1 x 10<-3> wt%. In addition, the grease composition can be used in the production of snack foods.
Description
Technical field
The present invention relates to grease field of deep, specifically, the present invention relates to a kind of fat or oil composition, Its Preparation Method And Use, when being used for making leisure food by this fat or oil composition, there is good oxidation stability.
Background technology
Leisure food be a class deeply by the food that consumer likes, along with the raising of expanding economy and the level of consumption, consumer constantly increases for the demand of leisure food quantity and quality.Grease is the important source material making leisure food, can give the tempting outward appearance of food and delicious mouthfeel.Grease for leisure food can be combined by one or more greases, and the oxidation stability of grease is the key factor affecting product quality and cost.Such as, frying is a kind of method making leisure food extensive use, but, in the process using grease frying leisure food, starch in food, albumen etc. can be dissolved in grease, thus accelerate the deterioration reactions such as the oxydrolysis of grease, and finally cause food quality to decline.Known in the art that, the oxidation stability of grease and its aliphatic acid form closely related, described aliphatic acid comprises saturated fatty acid and unrighted acid, the latter can be divided into monounsaturated fatty acids and polyunsaturated fatty acid again, wherein, saturated fatty acid is not easily oxidized, and the high grease of content of polyunsaturated fatty acid more easily produces organic acid and peroxide, thus is detrimental to health.In traditional leisure oil, primary raw material is the greases such as soybean oil, rapeseed oil, palm oil and modified product thereof.Soybean oil, vegetable seed wet goods are rich in polyunsaturated fatty acid, very easily oxidized, and therefore its oxidation stability is poor.Be rich in saturated fatty acid in palm oil and modified product thereof, although its oxidation stability is good, the wherein chain saturated fatty acids of high-load, as palmitic acid, is the dietary factor causing serum cholesterol and triglyceride levels to raise.Therefore, for improving the oxidation stability of grease, by unsatisfactory for the raw material that they are used as the saturated fatty acid in oil.The leisure food oil developing oxidation stability good, healthy has good market prospects.
Summary of the invention
In order to solve the problem, the present inventor is by concentrating on studies, develop the fat or oil composition with good oxidation stability, described fat or oil composition selects middle carbochain saturated fatty acid as the raw material of saturated fatty acid, and add the antioxidant of specified quantitative, the oxidation stability of grease is improved by the addition of the content and optimization antioxidant that increase saturated fatty acid.
One object of the present invention there are provided a kind of fat or oil composition, and described fat or oil composition selects middle carbochain saturated fatty acid as the raw material of saturated fatty acid, and this fat or oil composition has good oxidation stability.Therefore, when this fat or oil composition being used as leisure food oil, there is the advantage that oxidation stability is high, solve the problem of grease easy oxidation deterioration in leisure food processing and storage process, make grease have better oxidation stability.Meanwhile, because described fat or oil composition selects middle carbochain saturated fatty acid as saturated fatty acid, avoid using Long carbon chain saturated fatty acid as saturated fatty acid, therefore also more healthy.
The feature of fat or oil composition of the present invention is, described fat or oil composition contains the product of transesterification reaction of medium-chain triglycerides and Long carbon chain fatty acid triglycercide material, wherein, for the gross weight of the aliphatic acid of formation fat or oil composition, middle carbochain saturated fatty acid is 5 ~ 25wt%; For the gross weight of fat or oil composition, antioxidant is 5 × 10
-3~ 6 × 10
-2wt%, defoamer is 0 ~ 1 × 10
-3wt%.
Another object of the present invention is to provide the method preparing above-mentioned fat or oil composition.
In one aspect, the method preparing fat or oil composition of the present invention is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) mixture step (i) obtained stirs dehydration at the temperature of 95 DEG C ~ 120 DEG C in vacuum;
(iii) in the mixture after described dehydration, add chemically catalyzed interesterification catalyst, at the temperature of 50 DEG C ~ 110 DEG C, combine under vacuum condition and stir, ester exchange reaction is carried out, obtains product;
(iv) carry out cessation reaction by adding water, phosphate aqueous solution or aqueous citric acid solution in described product, thus obtain the thick product of grease;
(v) washing is carried out to the thick product of described grease and dry, then this product is decoloured, deodorization, thus obtain fat or oil composition;
(vi) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
On the other hand, the method preparing fat or oil composition of the present invention is enzyme process ester exchange method, and wherein, described enzyme process ester exchange method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) add lipase as catalyst in the mixture (i) obtained to step, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) by filtering enzyme carrys out cessation reaction, to obtain thick product excessively;
(iv) described thick product is decoloured, deodorization, thus obtain fat or oil composition;
(v) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
Long carbon chain fatty acid triglycercide material of the present invention is selected from Long carbon chain fatty acid triglycercide, containing the grease of Long carbon chain fatty acid triglycercide and the composition of the two.Consider that the cost of pure glycerin three ester is very high, should not use as bulk raw material, therefore, described Long carbon chain fatty acid triglycercide material is preferably the grease containing Long carbon chain fatty acid triglycercide easily obtained, it can be the mixture of multiple triglycerides, such as palm oil, soybean wet goods common oil fat.
Another object of the present invention there are provided described fat or oil composition and is making the purposes in leisure food.
Leisure food in the present invention is following food: French fries, potato chips, kernel, cake, a ball, shrimp cracker, egg roll, instant noodles, veterinary antibiotics or bean product.
Beneficial effect of the present invention is: compared with existing leisure food oil and fat product, fat or oil composition provided by the invention has better oxidation stability, and more healthy when being used as leisure food oil.
By the content described in following paragraph [1] to paragraph [33], technical scheme of the present invention is illustrated:
[1]. a kind of fat or oil composition, it is characterized in that, described fat or oil composition contains the product of transesterification reaction of medium-chain triglycerides and Long carbon chain fatty acid triglycercide material, wherein, for the gross weight of the aliphatic acid of formation fat or oil composition, middle carbochain saturated fatty acid is 5 ~ 25wt%; For the gross weight of fat or oil composition, antioxidant is 5 × 10
-3~ 6 × 10
-2wt%, defoamer is 0 ~ 1 × 10
-3wt%.
[2]. the fat or oil composition as described in paragraph [1], wherein, described middle carbochain saturated fatty acid to be carbon number be 6 ~ 12 saturated fatty acid.
[3]. the fat or oil composition as described in paragraph [2], wherein, described middle carbochain saturated fatty acid to be carbon number be 8 ~ 10 saturated fatty acid.
[4]. as the fat or oil composition in paragraph [1]-[3] as described in arbitrary section, wherein, for the gross weight of the aliphatic acid of the described fat or oil composition of formation, described middle carbochain saturated fatty acid is 8 ~ 20wt%.
[5]. as the fat or oil composition in paragraph [1]-[4] as described in arbitrary section, wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide, containing the grease of Long carbon chain fatty acid triglycercide and the composition of the two.
[6]. the fat or oil composition as described in paragraph [5], wherein, the described grease containing Long carbon chain fatty acid triglycercide is selected from by palm oil, rapeseed oil, corn oil, soybean oil, olive oil, peanut oil, tea-seed oil, sunflower oil, wheat-germ oil, rice bran oil, sesame oil, algae oil, safflower seed oil, Purple Perilla Seed Oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and these greases by the grease in hydrogenation, point group that the modified grease proposing acquisition forms for one or more.
[7]. the fat or oil composition as described in paragraph [6], wherein, the described grease containing Long carbon chain fatty acid triglycercide is one or more in soybean oil, rapeseed oil, peanut oil, tea-seed oil, sunflower oil, palm oil and/or its modified grease.
[8]. as the fat or oil composition in paragraph [1]-[7] as described in arbitrary section, wherein, described antioxidant be selected from the group be made up of following material one or more: butylated hydroxy anisole, 2,6-di-tert-butyl-4-methy phenols, vitamin E, ascorbyl palmitate, Tea Polyphenols, ditert-butylhydro quinone, n-propyl gallate, Rosmarinus officinalis extract, Radix Glycyrrhizae antioxygen thing, Oxystearin, ascorbic acid, AOB, dilauryl thiodipropionate, phytic acid or their any mixture.
[9]. the fat or oil composition as described in paragraph [8], wherein, described antioxidant is vitamin E, ascorbyl palmitate, ditert-butylhydro quinone, Rosmarinus officinalis extract, Tea Polyphenols or their any mixture.
[10]. as the fat or oil composition in paragraph [1]-[9] as described in arbitrary section, wherein, for the gross weight of described fat or oil composition, described antioxidant is 1 × 10
-2~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 4 × 10
-2wt%, more preferably 1.5 × 10
-2~ 4 × 10
-2wt%.
[11]. as the fat or oil composition in paragraph [1]-[10] as described in arbitrary section, wherein, described defoamer is dimethyl silicone polymer.
[12]. as the fat or oil composition in paragraph [1]-[11] as described in arbitrary section, wherein, for the gross weight of described fat or oil composition, described defoamer is 3 × 10
-4~ 6 × 10
-4wt%.
[13]. prepare the method for the fat or oil composition in paragraph [1]-[12] described in arbitrary section, described method is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) mixture step (i) obtained stirs dehydration at the temperature of 95 DEG C ~ 120 DEG C in vacuum;
(iii) in the mixture after described dehydration, add chemically catalyzed interesterification catalyst, at the temperature of 50 DEG C ~ 110 DEG C, combine under vacuum condition and stir, ester exchange reaction is carried out, obtains product;
(iv) carry out cessation reaction by adding water, phosphate aqueous solution or aqueous citric acid solution in described product, thus obtain the thick product of grease;
(v) washing is carried out to the thick product of described grease and dry, then this product is decoloured, deodorization, thus obtain fat or oil composition;
(vi) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
[14]. the method as described in paragraph [13], wherein, described step (ii) in, by described step (i) in the mixture that obtains at the temperature of 100 DEG C ~ 110 DEG C, in vacuum, stir dehydration.
[15]. the method as described in paragraph [13] or [14], wherein, described step is (ii) middle stirs dehydration 20 ~ 60min, preferably 30 ~ 40min.
[16]. as the method in paragraph [13]-[15] as described in arbitrary section, wherein, described step (iii) in chemically catalyzed interesterification catalyst be sodium methoxide.
[17]. the method as described in paragraph [16], wherein, described sodium methoxide is added in the mixture after described dehydration with the amount of 0.1 ~ 0.5wt%.
[18]. as the method in paragraph [13]-[17] as described in arbitrary section, wherein, described step (iii) in, at the temperature of 70 DEG C ~ 95 DEG C, under vacuum condition combine stir, ester exchange reaction is carried out.
[19]. as the method in paragraph [13]-[18] as described in arbitrary section, wherein, described step (iii) in described ester exchange reaction carry out 20 ~ 120min, preferably 30 ~ 90min.
[20]. as the method in paragraph [13]-[19] as described in arbitrary section, wherein, described step (v) in decolorization condition be: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, vacuum is within 10mmHg.
[21]. as the method in paragraph [13]-[20] as described in arbitrary section, wherein, described step (v) in deodorization condition be: temperature 200 ~ 240 DEG C, vacuum is within 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min.
[22]. as the method in paragraph [13]-[21] as described in arbitrary section, wherein, described step (vi) in, described antioxidant is with 1 × 10
-2~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 4 × 10
-2wt%, more preferably 1.5 × 10
-2~ 4 × 10
-2the amount of wt% is added in described fat or oil composition.
[23]. as the method in paragraph [13]-[22] as described in arbitrary section, wherein, described step (vi) in, described defoamer is added in described fat or oil composition with the amount of 3 × 10-4 ~ 6 × 10-4wt%.
[24]. prepare the method for the fat or oil composition in paragraph [1]-[12] described in arbitrary section, described method is enzyme process ester exchange method, and wherein, described enzyme process ester exchange method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) add lipase as catalyst in the mixture (i) obtained to step, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) by filtering enzyme carrys out cessation reaction, to obtain thick product excessively;
(iv) described thick product is decoloured, deodorization, thus obtain fat or oil composition;
(v) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
[25]. the method as described in paragraph [24], wherein, described step (ii) in, in described mixture, add the lipase of 0.5 ~ 10wt%, preferably 4 ~ 8wt% for described raw oil material gross weight as catalyst.
[26]. the method as described in paragraph [24] or [25], wherein, described step (ii) in, at the temperature of 60 ~ 85 DEG C, in conjunction with stirring, ester exchange reaction is carried out.
[27]. as the method in paragraph [24]-[26] as described in arbitrary section, wherein, described step (ii) in described ester exchange reaction carry out 1 ~ 48 hour.
[28]. as the method in paragraph [24]-[27] as described in arbitrary section, wherein, described step (iv) in decolorization condition be: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, vacuum is within 10mmHg.
[29]. as the method in paragraph [24]-[28] as described in arbitrary section, wherein, described step (iv) in deodorization condition be: temperature 200 ~ 240 DEG C, vacuum is within 5mmHg, steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min.
[30]. as the method in paragraph [24]-[29] as described in arbitrary section, wherein, described step (v) in, described antioxidant is with 1 × 10
-2~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 4 × 10
-2wt%, more preferably 1.5 × 10
-2~ 4 × 10
-2the amount of wt% is added in described fat or oil composition.
[31]. as the method in paragraph [24]-[30] as described in arbitrary section, wherein, described step (v) in, described defoamer is with 3 × 10
-4~ 6 × 10
-4the amount of wt% is added in described fat or oil composition.
[32]. the fat or oil composition in paragraph [1]-[12] described in arbitrary section is making the purposes in leisure food.
[33]. the purposes as described in paragraph [32], wherein, described leisure food is following food: French fries, potato chips, kernel, cake, a ball, shrimp cracker, egg roll, instant noodles, veterinary antibiotics or bean product.
Detailed description of the invention
Unless stated otherwise, mentioned herein percentage is all weight percentage.
In the present invention, middle carbochain saturated fatty acid refers to that carbon number is the saturated fatty acid of 6 ~ 12, such as caproic acid, sad, capric acid, laurate, and preferred carbon number is the saturated fatty acid of 8 ~ 10, such as sad and capric acid.
On the one hand, the invention provides a kind of fat or oil composition, wherein, described fat or oil composition contains the product of transesterification reaction of medium-chain triglycerides and Long carbon chain fatty acid triglycercide material, wherein, for the gross weight of the aliphatic acid of formation fat or oil composition, middle carbochain saturated fatty acid is 5 ~ 25wt%, preferably 8 ~ 20wt%; For the gross weight of fat or oil composition, antioxidant is 5 × 10
-3~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 6 × 10
-2wt%, more preferably 1 × 10
-2~ 4 × 10
-2wt%, further more preferably 1.5 × 10
-2~ 4 × 10
-2wt%, defoamer is 0 ~ 1 × 10
-3wt%, preferably 3 × 10
-4~ 6 × 10
-4wt%.
In a preferred embodiment, the grease containing Long carbon chain fatty acid triglycercide is selected from by palm oil, rapeseed oil, corn oil, soybean oil, olive oil, peanut oil, tea-seed oil, sunflower oil, wheat-germ oil, rice bran oil, sesame oil, algae oil, safflower seed oil, Purple Perilla Seed Oil, walnut oil, grape-kernel oil, maize germ oil, cottonseed oil and these greases by the grease in hydrogenation, point group that the modified grease proposing acquisition forms for one or more; Be preferably in soybean oil, rapeseed oil, peanut oil, tea-seed oil, sunflower oil, palm oil and/or its modified grease one or more.
Another preferred embodiment in, palm oil and/or its modified grease are palm oil, the product of palm oil through point carrying and/or obtain after hydrogenation and the mixture of palm oil and above-mentioned product.
In the present invention, described antioxidant be selected from the group be made up of following material one or more: butylated hydroxy anisole (BHA), 2,6-di-tert-butyl-4-methy phenols (BHT), vitamin E, ascorbyl palmitate, Tea Polyphenols, ditert-butylhydro quinone (TBHQ), n-propyl gallate, Rosmarinus officinalis extract, Radix Glycyrrhizae antioxygen thing, Oxystearin, ascorbic acid, AOB, dilauryl thiodipropionate and phytic acid; Described antioxidant is preferably vitamin E, ascorbyl palmitate, TBHQ, Rosmarinus officinalis extract, Tea Polyphenols or their any mixture.For the gross weight of fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 6 × 10
-2wt%, more preferably 1 × 10
-2~ 4 × 10
-2wt%, further more preferably 1.5 × 10
-2~ 4 × 10
-2wt% antioxidant.In another preferred embodiment of the present invention, also containing defoamer in fat or oil composition of the present invention, described defoamer is dimethyl silicone polymer.For the gross weight of fat or oil composition, add 0 ~ 1 × 10
-3wt%, preferably 3 × 10
-4~ 6 × 10
-4wt% defoamer.
On the other hand, the method preparing fat or oil composition of the present invention is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) described mixture is stirred dehydration 20 ~ 60min, preferably 30 ~ 40min at the 95 DEG C ~ temperature of 120 DEG C, preferably 100 ~ 110 DEG C in vacuum;
(iii) in the mixture after described dehydration, add the sodium methoxide of 0.1 ~ 0.5wt% as catalyst, at the 50 DEG C ~ temperature of 110 DEG C, preferably 70 ~ 95 DEG C, combine under vacuum condition and stir, make ester exchange reaction carry out 20 ~ 120min, preferably 30 ~ 90min, obtain product;
(iv) carry out cessation reaction by adding aqueous citric acid solution in described product, thus obtain the thick product of grease;
(v) the thick product of described grease is washed, and it is dry, then this product is decoloured, deodorization, thus obtain fat or oil composition, wherein, described decolorization condition is: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, vacuum is within 10mmHg; Described deodorization condition is: temperature 200 ~ 240 DEG C, and vacuum is within 5mmHg, and steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min;
(vi) in obtained fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 6 × 10
-2wt%, more preferably 1 × 10
-2~ 4 × 10
-2wt%, further more preferably 1.5 × 10
-2~ 4 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt%, preferably 3 × 10
-4~ 6 × 10
-4wt% defoamer.
In another embodiment of the present invention, the method preparing fat or oil composition of the present invention is enzyme process ester exchange method, and wherein, described enzyme process ester exchange method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) in described mixture, add the lipase of 0.5 ~ 10wt%, preferably 4 ~ 8wt% for described raw oil material gross weight as catalyst, at the temperature of 40 ~ 90 DEG C, preferably 60 ~ 85 DEG C, in conjunction with stirring, ester exchange reaction is made to carry out 1 ~ 48 hour;
(iii) by filtering enzyme carrys out cessation reaction, to obtain thick product excessively;
(iv) described thick product is decoloured, deodorization, thus obtain fat or oil composition, wherein, described decolorization condition is: with the weighing scale of the thick product of grease, carclazyte addition 0.5 ~ 2.0wt%, bleaching temperature 105 ~ 110 DEG C, bleaching time 10 ~ 30 minutes, vacuum is within 10mmHg; Described deodorization condition is: temperature 200 ~ 240 DEG C, and vacuum is within 5mmHg, and steam vapour amount is 3 ~ 5wt% of the thick product weight of grease, time 90 ~ 120min;
(v) in obtained fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt%, preferably 1 × 10
-2~ 6 × 10
-2wt%, more preferably 1 × 10
-2~ 4 × 10
-2wt%, further more preferably 1.5 × 10
-2~ 4 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt%, preferably 3 × 10
-4~ 6 × 10
-4wt% defoamer.
Embodiment
Hereafter will be specifically described the present invention by embodiment and effect test example, but should be understood that, protection scope of the present invention is not limited in these embodiments and effect test example.
Adopt the aliphatic acid composition in gas chromatography determination fat or oil composition, with reference to GB/T17376-2008 method, esterification is carried out to testing sample.The condition determination of gas chromatography is as follows: Shimadzu GC-2014, capillary column 100m × 0.25mm × 0.2 μm, vaporizer temperature 240 DEG C, detector temperature 240 DEG C, carrier gas N
2flow velocity 30mL/min, H
2flow velocity 40mL/min, air velocity 400mL/min, temperature programming condition: 80 DEG C retain 3min, and 15 DEG C/min rises to 200 DEG C, 200 DEG C retain 20min.
Embodiment 1
Take each component of following percentage by weight as raw oil material: 5% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 8:2) and 95% soybean oil, join in reactor after the two is mixed, vacuum drying 60min under 95 DEG C of conditions, to remove the moisture in described raw oil material.Then, at temperature being remained on 110 DEG C, for the gross weight of described mixed raw oil material, add the sodium methoxide of 0.1wt%, carry out stirring reaction under vacuum, question response is after 20 minutes, add aqueous citric acid solution cessation reaction, abundant vibration mixing, centrifugal, washing, vacuum drying, thus obtain the thick product of grease.The thick product of grease is decoloured, deodorization refining treatment, condition is as follows: at the temperature of 110 DEG C, under the vacuum of 8mmHg, adds the carclazyte accounting for the thick product weight 1.0wt% of grease, decolours 20 minutes; At the temperature of 220 DEG C, under the vacuum of 4mmHg, pass into the steam accounting for the thick product weight 5wt% of grease and carry out deodorization.5 × 10 are added in the fat or oil composition of refining
-3wt% vitamin E and 1 × 10
-2wt% ascorbyl palmitate, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 1.For the gross weight of all fatty acids of formation fat or oil composition 1, the content of middle carbochain saturated fatty acid is 5wt%.
Embodiment 2
Take each component of following percentage by weight as raw oil material: 15% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 1:1) and 85% rapeseed oil, join in reactor after the two is mixed, vacuum drying 20min under 120 DEG C of conditions, to remove the moisture in described raw oil material.Then, at temperature being remained on 75 DEG C, for the gross weight of described mixed raw oil material, add the sodium methoxide of 0.5wt%, carry out stirring reaction under vacuum, question response is after 60 minutes, add aqueous citric acid solution cessation reaction, abundant vibration mixing, centrifugal, washing, vacuum drying, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.5 × 10 are added in the fat or oil composition of refining
-3wt%TBHQ and 6 × 10
-4wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 2.For the gross weight of all fatty acids of formation fat or oil composition 2, the content of middle carbochain saturated fatty acid is 15wt%.
Embodiment 3
Take each component of following percentage by weight as raw oil material: 25% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 2:8), 25% palm olein oil (iodine number: 59) and 50% soybean oil, join in reactor after three is mixed, vacuum drying 40 minutes under 110 DEG C of conditions, to remove the moisture in described raw oil material.Then, at temperature being remained on 50 DEG C, for the gross weight of described mixed raw oil material, add the sodium methoxide of 0.3wt%, carry out stirring reaction under vacuum, question response is after 120 minutes, add aqueous citric acid solution cessation reaction, abundant vibration mixing, centrifugal, washing, vacuum drying, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.4 × 10 are added in the fat or oil composition that refining is good
-2wt% Rosmarinus officinalis extract and 2 × 10
-4wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 3.For the gross weight of all fatty acids of formation fat or oil composition 3, the content of middle carbochain saturated fatty acid is 25wt%.
Embodiment 4
Take each component of following percentage by weight as raw oil material: 5% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 2:8) and 95% rapeseed oil, join in reactor after the two is mixed, add the lipase of 0.5wt% in the mixture, along with stirring, 40 DEG C of reactions 48 hours, filter and remove lipase cessation reaction, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.6 × 10 are added in the fat or oil composition of refining
-2wt% Tea Polyphenols and 4 × 10
-4wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 4.For the gross weight of all fatty acids of formation fat or oil composition 4, the content of middle carbochain saturated fatty acid is 5wt%.
Embodiment 5
Take each component of following percentage by weight as raw oil material: 15% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 8:2), 10% peanut oil and 75% rapeseed oil, join in reactor after three is mixed, add the lipase of 4wt% in the mixture, along with stirring, 65 DEG C of reactions 1 hour, filter and remove lipase cessation reaction, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.1 × 10 is added in the fat or oil composition of refining
-2wt% Rosmarinus officinalis extract, 1 × 10
-2wt% Tea Polyphenols, 1 × 10
-2wt% vitamin E and 1 × 10
-4wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 5.For the gross weight of all fatty acids of formation fat or oil composition 5, the content of middle carbochain saturated fatty acid is 15wt%.
Embodiment 6
Take each component of following percentage by weight as raw oil material: 25% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 8:2), 20% tea-seed oil and 55% soybean oil, join in reactor after three is mixed, add the lipase of 10wt% in the mixture, along with stirring, 90 DEG C of reactions 3 hours, filter and remove lipase cessation reaction, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.1 × 10 is added in the fat or oil composition of refining
-2wt% Tea Polyphenols, 1 × 10
-2wt% Rosmarinus officinalis extract and 1 × 10
-3wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained fat or oil composition 6.For the gross weight of all fatty acids of formation fat or oil composition 6, the content of middle carbochain saturated fatty acid is 25wt%.
Comparative example 1
Take each component of following percentage by weight as raw oil material: 5% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 8:2) and 95% soybean oil, join in reactor after the two is mixed, vacuum drying 60min under 95 DEG C of conditions, to remove the moisture in described raw oil material.Then, at temperature being remained on 110 DEG C, for the gross weight of described mixed raw oil material, add the sodium methoxide of 0.1wt%, carry out stirring reaction under vacuum, question response is after 20 minutes, add aqueous citric acid solution cessation reaction, abundant vibration mixing, centrifugal, washing, vacuum drying, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.4 × 10 are added in the fat or oil composition of refining
-3wt% ascorbyl palmitate and 1 × 10
-4wt% dimethyl silicone polymer, fully dissolves and is uniformly mixed, thus obtained reference composition 1.For the gross weight of all fatty acids of formation reference composition 1, the content of middle carbochain saturated fatty acid is 5wt%.
Comparative example 2
Take each component of following percentage by weight as raw oil material: 5% middle chain triglyceride (wherein, medium-chain fatty acid is sad and capric acid, and sad: the mass ratio of capric acid is 8:2) and 95% soybean oil, join in reactor after three is mixed, add the lipase of 10wt% in the mixture, along with stirring, 90 DEG C of reactions 3 hours, filter and remove lipase cessation reaction, thus obtain the thick product of grease.According to the decolouring described in embodiment 1, deodour method, refining is carried out to the thick product of this grease.5 × 10 are added in the fat or oil composition of refining
-2wt% vitamin E and 1.5 × 10
-2wt% Rosmarinus officinalis extract, fully dissolves and is uniformly mixed, thus obtained reference composition 2.For the gross weight of all fatty acids of formation reference composition 2, the content of middle carbochain saturated fatty acid is 5wt%.
Comparative example 3
The purified soyabean oil taking 100wt%, as raw oil material, adds 5 × 10 wherein
-3wt%TBHQ, fully dissolves and is uniformly mixed, thus obtained reference composition 3.For the gross weight of all fatty acids of formation reference composition 3, the content of middle carbochain saturated fatty acid is 0.
Effect test example 1
By Rancimat instrument, (Switzerland ten thousand leads to, 743 types) oxidation stability of fat or oil composition 1 ~ 6 of the present invention and reference composition 1 ~ 3 is measured, concrete grammar is as follows: each fat or oil composition taking 3g respectively puts into the test tube of Rancimat instrument, the each fat or oil composition simultaneously taking same amount again carries out parallel check experiment, Rancimat instrument temperature is set as 110 DEG C, measures the AOM(active oxygen method of each group of sample) value.Result of the test is in table 1.
Claims (10)
1. a fat or oil composition, it is characterized in that, described fat or oil composition contains the product of transesterification reaction of medium-chain triglycerides and Long carbon chain fatty acid triglycercide material, wherein, for the gross weight of the aliphatic acid of formation fat or oil composition, middle carbochain saturated fatty acid is 5 ~ 25wt%; For the gross weight of fat or oil composition, antioxidant is 5 × 10
-3~ 6 × 10
-2wt%, defoamer is 0 ~ 1 × 10
-3wt%.
2. fat or oil composition as claimed in claim 1, wherein, described middle carbochain saturated fatty acid is carbon number is 6 ~ 12, preferred carbon number is the saturated fatty acid of 8 ~ 10.
3. fat or oil composition as claimed in claim 1 or 2, wherein, described Long carbon chain fatty acid triglycercide material is selected from Long carbon chain fatty acid triglycercide, containing the grease of Long carbon chain fatty acid triglycercide and the composition of the two.
4. the fat or oil composition according to any one of claim 1-3, wherein, described antioxidant be selected from the group be made up of following material one or more: butylated hydroxy anisole, 2,6-di-tert-butyl-4-methy phenols, vitamin E, ascorbyl palmitate, Tea Polyphenols, ditert-butylhydro quinone, n-propyl gallate, Rosmarinus officinalis extract, Radix Glycyrrhizae antioxygen thing, Oxystearin, ascorbic acid, AOB, dilauryl thiodipropionate, phytic acid or their any mixture.
5. the method for the fat or oil composition of preparation according to any one of claim 1-4, described method is chemically catalyzed interesterification method, and described chemically catalyzed interesterification method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) mixture step (i) obtained stirs dehydration at the temperature of 95 DEG C ~ 120 DEG C in vacuum;
(iii) in the mixture after described dehydration, add chemically catalyzed interesterification catalyst, at the temperature of 50 DEG C ~ 110 DEG C, combine under vacuum condition and stir, ester exchange reaction is carried out, obtains product;
(iv) carry out cessation reaction by adding water, phosphate aqueous solution or aqueous citric acid solution in described product, thus obtain the thick product of grease;
(v) washing is carried out to the thick product of described grease and dry, then this product is decoloured, deodorization, thus obtain fat or oil composition;
(vi) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
6. method as claimed in claim 5, wherein, described step (ii) in, by described step (i) in the mixture that obtains at the temperature of 100 DEG C ~ 110 DEG C, in vacuum, stir dehydration.
7. the method as described in claim 5 or 6, wherein, described step (iii) in chemically catalyzed interesterification catalyst be sodium methoxide.
8. the method for the fat or oil composition of preparation according to any one of claim 1-4, described method is enzyme process ester exchange method, and wherein, described enzyme process ester exchange method comprises the steps:
(i) take each component of following percentage by weight as raw oil material: the medium-chain triglycerides of 5 ~ 25% and the Long carbon chain fatty acid triglycercide material of 75 ~ 95%, said components is carried out mixing to obtain mixture;
(ii) add lipase as catalyst in the mixture (i) obtained to step, at the temperature of 40 ~ 90 DEG C, in conjunction with stirring, ester exchange reaction is carried out;
(iii) by filtering enzyme carrys out cessation reaction, to obtain thick product excessively;
(iv) described thick product is decoloured, deodorization, thus obtain fat or oil composition;
(v) in above-mentioned fat or oil composition, add 5 × 10
-3~ 6 × 10
-2wt% antioxidant and 0 ~ 1 × 10
-3wt% defoamer.
9. method as claimed in claim 8, wherein, described step (ii) in, in described mixture, add the lipase of 0.5 ~ 10wt%, preferably 4 ~ 8wt% for described raw oil material gross weight as catalyst.
10. the fat or oil composition according to any one of claim 1-4 is making the purposes in leisure food.
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| CN105325573A (en) * | 2015-10-31 | 2016-02-17 | 安徽天祥粮油食品有限公司 | Dessert crisp crust oil and preparation method thereof |
| CN106036355A (en) * | 2016-08-20 | 2016-10-26 | 陈爱梅 | Preparation method of antioxidant |
| CN109022148A (en) * | 2017-12-29 | 2018-12-18 | 中粮集团有限公司 | Quaternary built antioxidant, preparation method and the usage |
| CN113796402A (en) * | 2021-09-15 | 2021-12-17 | 江南大学 | Preparation method of low-heat baking product based on medium-long chain structure ester gel oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325573A (en) * | 2015-10-31 | 2016-02-17 | 安徽天祥粮油食品有限公司 | Dessert crisp crust oil and preparation method thereof |
| CN106036355A (en) * | 2016-08-20 | 2016-10-26 | 陈爱梅 | Preparation method of antioxidant |
| CN109022148A (en) * | 2017-12-29 | 2018-12-18 | 中粮集团有限公司 | Quaternary built antioxidant, preparation method and the usage |
| CN109022148B (en) * | 2017-12-29 | 2022-03-22 | 中粮集团有限公司 | Quaternary compound antioxidant, preparation method and application thereof |
| CN113796402A (en) * | 2021-09-15 | 2021-12-17 | 江南大学 | Preparation method of low-heat baking product based on medium-long chain structure ester gel oil |
| CN113796402B (en) * | 2021-09-15 | 2023-12-01 | 江南大学 | Preparation method of low-heat baked product based on medium-long chain structural ester gel oil |
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