CN101779706B - Extra-grade palm olein and industrialized production method thereof - Google Patents
Extra-grade palm olein and industrialized production method thereof Download PDFInfo
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- CN101779706B CN101779706B CN2010191020177A CN201019102017A CN101779706B CN 101779706 B CN101779706 B CN 101779706B CN 2010191020177 A CN2010191020177 A CN 2010191020177A CN 201019102017 A CN201019102017 A CN 201019102017A CN 101779706 B CN101779706 B CN 101779706B
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- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 43
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 18
- 239000011630 iodine Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 9
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 8
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000005642 Oleic acid Substances 0.000 claims abstract description 8
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000000194 fatty acid Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 12
- 150000002978 peroxides Chemical class 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 1
- 229930195729 fatty acid Natural products 0.000 abstract 1
- 150000004665 fatty acids Chemical class 0.000 abstract 1
- 238000005194 fractionation Methods 0.000 abstract 1
- 238000013467 fragmentation Methods 0.000 abstract 1
- 238000006062 fragmentation reaction Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 33
- 235000019198 oils Nutrition 0.000 description 33
- 235000019482 Palm oil Nutrition 0.000 description 12
- 239000002540 palm oil Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
The invention relates to extra-grade palm olein and an industrialized production method thereof. The extra-grade palm olein is characterized in that: the iodine value is 68 to 72 g/100g, the acid value is less than 0.2 mg/g, the oxidation value is less than 5.0 mnol/Kg, the freezing test time is more than 5.5 hours, the oleic acid mass content is 5o to 52 percent, and the trans fatty acid mass content is less than 0.5 percent. The palm olein is adopted as the raw material, the environment-friendly dry fractionation process which is free from additives such as high-temperature fragmentation, cooling crystallization, crystal growing at a relaxation condition and the squeezing and filtering is adopted to separate the high-melting-point components and the low-melting-point components in the palm olein so as to finally obtain the low-melting-point component through filtering, i.e. the liquid part is the target product extra-grade palm olein. The entire process flow is simplified into two parts, wherein firstly the palm olein is fractionated to obtain the palm extra olein; and then the palm extra olein is fractionated to obtain the target product - extra-grade palm olein. The process realizes the industrialized production.
Description
[technical field]
The invention belongs to grease processing technology field, particularly a kind of extra-grade palm olein and industrialized preparing process thereof.
[background technology]
Palm oil is to squeeze the fruit oil that obtains the palm fruit from palm, and it is main that aliphatic acid is formed with palmitic acid (C16:0) and oleic acid (C18:1), is mainly used in cooking of public catering trade and family's common food.As the maximum grease trade kind in the whole world, palm oil occupies very important effect in the grease trade in the whole world, and its output has surpassed soybean oil, is widely used in fields such as food, chemical industry.Present global palm oil production mainly concentrates on torrid areas such as Malaysia, Indonesia; China is palm oil import, consumption big country; According to statistics, the palm oil import volume of China in 2008 is 528.2 ten thousand tons, and the import volume of estimating 2009 can reach 5,500,000 tons.
Palm oil is the tropical oil kind, and fusing point is generally higher, is semisolid at normal temperatures, and the general product that divides the method for carrying to be processed into different melting points that adopts is to satisfy different consumers' user demand.
Palm olein oil is that palm oil once divides the product after carrying, and fusing point is generally about 24 degree, except that summer; All can produce other seasons and precipitate or even solidify; Bring inconvenience for family consumer's the use whole year, need its fusing point is reduced, make it keep being in a liquid state under room temperature.Palm oil products in the market, what fusing point was minimum is exactly the super liquid oil of palm, uses the whole year but its frost resistance still can not satisfy the consumer, places in the kitchen in the winter time solidification phenomenon can take place, and causes use inconvenience.
Come in the huge numbers of families at palm oil, development palm oil process technology, it is very necessary to make things convenient for the consumer to use.But more low melting point, the better palm olein oil product of frost resistance or industrialized preparing process do not appear in the newspapers.
[summary of the invention]
The objective of the invention is to overcome the above-mentioned deficiency of prior art and product existence, a kind of extra-grade palm olein and industrialized preparing process thereof are provided.
Extra-grade palm olein provided by the invention is characterised in that: iodine number 68-72g/100g; Acid number is less than 0.2mg/g, and peroxide value is less than 5.0mmol/Kg, and the refrigeration test time is greater than 5.5h; The oleic acid mass content is 50-52%, and the trans-fatty acid mass content is less than 0.5%.
The industrialized preparing process of extra-grade palm olein provided by the invention is to be raw material with the palm olein oil, adopts repeatedly the dry method branch to put forward technology and is prepared from.Its concrete steps comprise:
The first, the preparation of the super liquid oil of palm: palm olein oil is pumped in the crystallizing tank, be heated to 60-70 ℃, and keep 15-30min; In stirring frequency is under the condition of 35-40Hz; At first its temperature is reduced to 55 ℃; Then, be cooled to 11 ℃ by 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde respectively, the required temperature fall time of each gradient is respectively 45-90min, 45-90min, 600-900min, 600-900min; At last it is continued cooling 300-400min, whole temperature control is more than 8 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 65g/100g, and the liquid that obtains partly is the super liquid oil of palm;
The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super oil of the palm that has prepared, be heated to 55-65 ℃, and keep 15-30min; In stirring frequency is under the condition of 35-45Hz; At first cool the temperature to 55 ℃; By 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, the required temperature fall time of each gradient is respectively 100-180min, 90-150min, 90-150min, 400-600min; At last it is continued cooling 1200-1500min, whole temperature control is more than 5 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 68g/100g, and the liquid that obtains partly is extra-grade palm olein.
Beneficial effect of the present invention: 1. adopt repeatedly the dry method branch to put forward technology, the ideal of suitability for industrialized production extra-grade palm olein is become a reality.2, extra-grade palm olein has overcome the defective of palm oil products in the market, has satisfied the demand that the consumer is easy to use throughout the year.3, compare with palm oil, extra-grade palm olein has improved the content of oleic acid, has more nutrition.
[specific embodiment]
Embodiment 1
The first, the preparation of the super liquid oil of palm: in crystallizing tank, add 40 tons of palm olein oils, be heated to 60 ℃, and keep 30min; In stirring frequency is under the condition of 35Hz, at first cools the temperature to 55 ℃, is cooled to 11 ℃ by 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde respectively then, and the required temperature fall time of each gradient is respectively 45min, 90min, 600min, 900min; At last palm olein oil is continued cooling 400min, this moment, temperature was 8 ℃, and detecting liquid oil iodine number is 66g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is the super liquid oil of palm.
The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super liquid oil of palm of first step preparation, be heated to 55 ℃, and keep 30min; In stirring frequency is under the condition of 35Hz, at first cools the temperature to 55 ℃, by 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, and the required temperature fall time of each gradient is respectively 100min, 150min, 90min, 600min; At last it is continued cooling 1480min, this moment, temperature was 6.8 ℃, and detecting liquid oil iodine number is 70.2g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is extra-grade palm olein.
Through detection, product iodine number 70.8g/100g, acid number 0.03mg/g, peroxide value 0.02mmol/Kg, refrigeration test time 8.5h, oleic acid mass content 51.6%, trans-fatty acid does not detect.
Embodiment 2
The first, the preparation of the super liquid oil of palm: in crystallizing tank, add 40 tons of palm olein oils, be heated to 70 ℃, and keep 15min; In stirring frequency is under the condition of 40Hz, at first cools the temperature to 55 ℃, is cooled to 11 ℃ by 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde respectively then, and the required temperature fall time of each gradient is respectively 90min, 45min, 900min, 600min; At last palm olein oil is continued cooling 310min, this moment, temperature was 10 ℃, and detecting liquid oil iodine number is 65.6g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is the super liquid oil of palm.
The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super liquid oil of palm of first step preparation, be heated to 65 ℃, and keep 15min; In stirring frequency is under the condition of 45Hz, at first cools the temperature to 55 ℃, by 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, and the required temperature fall time of each gradient is respectively 120min, 150min, 100min, 600min; At last it is continued cooling 1250min, this moment, temperature was 8 ℃, and detecting liquid oil iodine number is 68.9g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is extra-grade palm olein.
Through detection, product iodine number 68.9g/100g, acid number (in potassium hydroxide) 0.04mg/g, peroxide value 0.05mmol/Kg, refrigeration test time 7.3h, oleic acid mass content 50.9%, trans-fatty acid does not detect.
Embodiment 3
The first, the preparation of the super liquid oil of palm: in crystallizing tank, add 40 tons of palm olein oils; Be heated to 65 ℃; And keep 20min, and be under the condition of 40Hz in stirring frequency, at first cool the temperature to 55 ℃; Be cooled to 11 ℃ by 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde respectively then, the required temperature fall time of each gradient is respectively 65min, 70min, 750min, 780min; At last palm olein oil is continued cooling 320min, this moment, temperature was 10.8 ℃, and detecting liquid oil iodine number is 66g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is the super liquid oil of palm.
The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super liquid oil of palm of first step preparation, be heated to 60 ℃, and keep 25min; In stirring frequency is under the condition of 40Hz, at first cools the temperature to 55 ℃, by 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, and the required temperature fall time of each gradient is respectively 100min, 90min, 150min, 400min; At last it is continued cooling 1360min, this moment, temperature was 9.7 ℃, and detecting liquid oil iodine number is 70.1g/100g, pumps into press filtration in the flame filter press, and the liquid that obtains partly is extra-grade palm olein.
Through detection, product iodine number 70.1g/100g, acid number (in potassium hydroxide) 0.02mg/g, peroxide value 0.01mmol/Kg, refrigeration test time 7.8h, oleic acid mass content 51.2%, trans-fatty acid does not detect.
Claims (2)
1. extra-grade palm olein is characterized in that: iodine number 68-72g/100g, acid number be less than 0.2mg/g, and peroxide value is less than 5.0mmol/Kg, and the refrigeration test time is＞5.5h, and the oleic acid mass content is 50-52%, and the trans-fatty acid mass content is less than 0.5%; Said extra-grade palm olein is to process with following method: the first, the preparation of the super liquid oil of palm: palm olein oil is pumped in the crystallizing tank, be heated to 60-70 ℃, and keep 15-30min; In stirring frequency is under the condition of 35-40Hz; At first its temperature is reduced to 55 ℃; Then, be cooled to 11 ℃ by 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde respectively, the required temperature fall time of each gradient is respectively 45-90min, 45-90min, 600-900min, 600-900min; At last it is continued cooling 300-400min, whole temperature control is more than 8 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 65g/100g, and the liquid that obtains partly is the super liquid oil of palm; The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super oil of the palm that has prepared, be heated to 55-65 ℃, and keep 15-30min; In stirring frequency is under the condition of 35-45Hz; At first cool the temperature to 55 ℃; By 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, the required temperature fall time of each gradient is respectively 100-180min, 90-150min, 90-150min, 400-600min; At last it is continued cooling 1200-1500min, whole temperature control is more than 5 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 68g/100g, and the liquid that obtains partly is extra-grade palm olein.
2. the industrialized preparing process of the described extra-grade palm olein of claim 1, its concrete steps are:
The first, the preparation of the super liquid oil of palm: in crystallizing tank, pump into palm olein oil, be heated to 60-70 ℃, and keep 15-30min; In stirring frequency is under the condition of 35-40Hz; At first its temperature is reduced to 55 ℃; By 25 ℃, 10 ℃, 5 ℃, 4 ℃ thermograde it is cooled to 11 ℃ respectively then, the required temperature fall time of each gradient is respectively 45-90min, 45-90min, 600-900min, 600-900min; At last it is continued cooling 300-400min, whole temperature control is more than 8 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 65g/100g, and the liquid that obtains partly is the super liquid oil of palm;
The second, the preparation of extra-grade palm olein: in another crystallizing tank, pump into the super liquid oil of palm that the first step has prepared; Be heated to 55-65 ℃; And keep 15-30min, and be under the condition of 35-45Hz in stirring frequency, at first its temperature is reduced to 55 ℃; By 25 ℃, 10 ℃, 5 ℃, 5 ℃ thermograde it is cooled to 10 ℃ respectively then, the required temperature fall time of each gradient is respectively 100-180min, 90-150min, 90-150min, 400-600min; At last it is continued cooling 1200-1500min, whole temperature control is more than 5 ℃, and liquid oil iodine number pumps into press filtration in the flame filter press during greater than 68g/100g, and the liquid that obtains partly is extra-grade palm olein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010191020177A CN101779706B (en) | 2010-02-08 | 2010-02-08 | Extra-grade palm olein and industrialized production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010191020177A CN101779706B (en) | 2010-02-08 | 2010-02-08 | Extra-grade palm olein and industrialized production method thereof |
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| CN101779706A CN101779706A (en) | 2010-07-21 |
| CN101779706B true CN101779706B (en) | 2012-10-31 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912034B (en) * | 2010-08-28 | 2012-07-11 | 青岛农业大学 | Protective fat of rumen bypass substance |
| CN102113573A (en) * | 2010-12-03 | 2011-07-06 | 天津龙威粮油工业有限公司 | Frying oil special for families and preparation method thereof |
| WO2012105073A1 (en) * | 2011-01-31 | 2012-08-09 | 日清オイリオグループ株式会社 | Palm fraction soft oil and processed emulsified food product using the same |
| CN103695165B (en) * | 2014-01-02 | 2015-05-06 | 天津龙威粮油工业有限公司 | Special grade palm liquid oil drying method and equipment |
| CN104726204A (en) * | 2015-04-09 | 2015-06-24 | 天门市诚鑫化工有限公司 | Production technology of low-cold-point oleic acid |
| CN108559625A (en) * | 2018-01-19 | 2018-09-21 | 东北师范大学 | Dry fractionation deer is oily and is applied in preparing skin care item |
| CN108558644B (en) * | 2018-04-04 | 2021-12-03 | 赞宇科技集团股份有限公司 | Production process and device of industrial oleic acid |
| CN109362897A (en) * | 2018-12-12 | 2019-02-22 | 成都乾元投资管理有限公司 | A kind of prandial oil and preparation method thereof |
| AU2021234620B2 (en) * | 2020-03-10 | 2023-12-07 | LIEW, Heng Wen | Dry fractionation of edible oil |
| CN111574361A (en) * | 2020-05-06 | 2020-08-25 | 浙江嘉化能源化工股份有限公司 | Method for preparing oleic acid by freezing and separating high-carbon fatty acid |
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| CN101591586A (en) * | 2008-05-29 | 2009-12-02 | 金光食品（宁波）有限公司 | Secondary fractionation product of palm oil and preparation method thereof |
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| US6307077B1 (en) * | 1999-08-09 | 2001-10-23 | Robert Michael Quear | Method for purifying vegetable oil obtained by mechanical extraction |
| CN101591586A (en) * | 2008-05-29 | 2009-12-02 | 金光食品（宁波）有限公司 | Secondary fractionation product of palm oil and preparation method thereof |
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