CN111849615A - Processing method of organic camellia seed oil - Google Patents
Processing method of organic camellia seed oil Download PDFInfo
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- CN111849615A CN111849615A CN202010727225.2A CN202010727225A CN111849615A CN 111849615 A CN111849615 A CN 111849615A CN 202010727225 A CN202010727225 A CN 202010727225A CN 111849615 A CN111849615 A CN 111849615A
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- 240000001548 Camellia japonica Species 0.000 title claims abstract description 72
- 235000018597 common camellia Nutrition 0.000 title claims abstract description 72
- 235000015112 vegetable and seed oil Nutrition 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 83
- 235000019198 oils Nutrition 0.000 claims description 82
- 239000010779 crude oil Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009874 alkali refining Methods 0.000 claims description 9
- 238000004332 deodorization Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 235000005593 Camellia sinensis f parvifolia Nutrition 0.000 claims description 7
- 244000041840 Camellia sinensis f. parvifolia Species 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 150000003904 phospholipids Chemical class 0.000 claims description 6
- 239000000344 soap Substances 0.000 claims description 6
- 241001122767 Theaceae Species 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 241000638935 Senecio crassissimus Species 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 230000001877 deodorizing effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 239000006148 magnetic separator Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000007530 organic bases Chemical class 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000001397 quillaja saponaria molina bark Substances 0.000 claims description 3
- 238000012958 reprocessing Methods 0.000 claims description 3
- 229930182490 saponin Natural products 0.000 claims description 3
- 150000007949 saponins Chemical class 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000007670 refining Methods 0.000 abstract description 3
- 235000013348 organic food Nutrition 0.000 abstract 1
- 239000010495 camellia oil Substances 0.000 description 8
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 4
- 241000526900 Camellia oleifera Species 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 2
- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 description 2
- 229930003427 Vitamin E Natural products 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- 239000008157 edible vegetable oil Substances 0.000 description 2
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 2
- 239000004006 olive oil Substances 0.000 description 2
- 235000008390 olive oil Nutrition 0.000 description 2
- 235000020567 organic tea Nutrition 0.000 description 2
- 229940031439 squalene Drugs 0.000 description 2
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 2
- 235000019165 vitamin E Nutrition 0.000 description 2
- 229940046009 vitamin E Drugs 0.000 description 2
- 239000011709 vitamin E Substances 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 241000209507 Camellia Species 0.000 description 1
- 244000147058 Derris elliptica Species 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 235000018927 edible plant Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
-
- 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
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/06—Refining fats or fatty oils by chemical reaction with bases
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
The invention discloses a processing method of organic camellia seed oil, which comprises the steps of raw material collection, drying, sorting, husking, crushing and refining to obtain the organic camellia seed oil, wherein the whole production process is carried out in strict accordance with the international organic food processing standard.
Description
Technical Field
The invention relates to the field of oil processing, in particular to a processing method of organic camellia oleosa seed oil.
Background
The camellia oleifera is a unique oil tree species in China, and the cultivation history of the camellia oleifera in China in the original production area is more than 2300 years. The camellia oleifera is one of the oldest woody edible plants in China, China is the world with the widest distribution of the camellia plants, is the largest tea oil production base in the world, and in addition, only the southeast Asia, Japan and other countries have a very small distribution.
Camellia seed oil is obtained from seeds of Camellia oleifera in Theaceae. The oil tea seed oil has grease characteristics and nutritional ingredients very similar to olive oil, is green, ecological and high-nutrition edible oil, is mainly popularized by food and agriculture organizations of the United nations as healthy high-grade edible vegetable oil, and can be called as 'east olive oil'.
For a long time, the tea oil sold in the market is mainly the grease obtained by hot pressing and leaching, and the quality of the tea oil is uneven. How to improve the nutrition and health care value of the tea oil and how to produce the organic tea seed oil is an important problem to be solved at present.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a processing method of organic camellia seed oil, which comprises the steps of raw material collection, drying, sorting, shelling, crushing and refining to obtain the organic camellia seed oil.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
the processing method of the organic camellia seed oil is characterized by comprising the following steps of:
1) and collecting raw materials: the camellia seeds must be collected from a production base for obtaining organic product certification, and the camellia seeds raw materials of a non-organic base and the camellia seeds raw materials with impurities and deteriorated quality must not be mixed;
2) and primary treatment of raw materials: firstly, drying picked camellia seeds by a kang at 45-50 ℃ until the water content is 10% -12%, removing impurities and dust by an electric windmill, carrying out color selection on the camellia seeds, and finally removing metal impurities from the camellia seeds subjected to color selection by using a magnetic separator to obtain preliminarily treated camellia seeds;
3) and (3) reprocessing the raw materials: placing the primarily treated camellia seeds into a camellia seed husking machine for husking, separating the husked camellia seed shells and camellia seed kernels by an automatic wind power device in the husking machine, storing the separated camellia seed kernels into a temporary storage box, and packaging the treated camellia seed shells for storage;
4) and cold pressing: removing color change and unsaturated seeds of the camellia seed kernels in the temporary storage box by using a color selector, and crushing the camellia seed kernels subjected to color selection into 6-8 pieces of particles by using a crusher; directly squeezing the crushed camellia seed kernels by a double-screw oil press to prepare crude oil;
5) filtering the crude oil obtained in the step 4), heating the crude oil filtered to remove particle impurities to 60-65 ℃, adding hot water which is at the same temperature as or slightly higher than the crude oil by 5 ℃ and the using amount of which is 3.5 times of the crude oil, adding 5% of phospholipid, continuously stirring for 30 minutes for degumming, standing for 2-4 hours, draining water, and cooling the oil temperature to normal temperature to obtain the degumming oil;
6) alkali refining deacidification: alkali refining is carried out on the degummed oil at normal temperature, the dosage of NaOH solution is 0.25 percent of the mass of the degummed oil, alkali liquor is quickly added, the stirring speed is 50-60r/min when the alkali liquor is added, the stirring speed is reduced to 30r/min after the alkali liquor is added, the slow stirring is carried out, the reaction is carried out for 20 minutes, the drainage is carried out after the standing for 4 hours, the oil temperature is increased to 70-80 ℃, water with the temperature of 85 ℃ and the temperature of 8-10 percent of the mass of the oil is added, the standing is carried out for 2-4 hours, the water washing is carried out for 2-3 times, the soap content of the oil is reduced to be lower than 12mg/kg, and then the vacuum dehydration is carried out for 30-40 minutes at 105 ℃, so that the; 7) and (3) decoloring: heating the alkali refined oil by a heater to 90 ℃, adding 2% of activated clay and 0.5% of activated carbon, mixing and decoloring in a vacuum decoloring tower, wherein the vacuum degree is more than or equal to 0.092 MPa; inputting the mixture of decolorized oil and active carbon into a vertical leaf filter for filtering, then carrying out fine filtration by a bag filter, and removing residual active carbon in the oil to obtain decolorized oil with pigments, residual soap, metal oxides and the like removed;
8) and deodorizing: heating the decolored oil at the temperature of 110-;
9) and dewaxing: cooling the product oil obtained in the step 8) to about 5 ℃ by a refrigerator, feeding the product oil into a crystallizing tank, and keeping the temperature in the crystallizing tank for 48 hours to ensure that crystals grow and are large and solid, and the oil is less to facilitate filtration; pumping the frozen and crystallized camellia oleosa seed oil into a filter, conveying by adopting a screw pump, controlling the filtered out turbid oil by variable frequency to return to be re-filtered, dewaxing the clear oil (dewaxed oil) and storing in a storage tank, and sealing and filling nitrogen for storage;
10) and filling organic finished camellia oleosa seed oil: qualified outlet pressure and flow are ensured from the oil storage tank, crystals are not damaged, a good filtering effect is achieved, and filtered oil is pumped into a filling machine for automatic filling.
Preferably, the content of the degummed oil phospholipid in the step 5) is 27.7mg/kg, and the step 5) simultaneously removes tea saponin and mechanical impurities in the oil-tea camellia seed oil.
Preferably, in the step 6), the acid value (KOH) of the fresh crude oil of the camellia seeds is less than 2mg/g, and partial acid value can be removed by a deodorization process without separately alkali refining.
Preferably, the high-temperature heat source in the step 8) is supplied by a heat-conducting oil furnace.
3. Advantageous effects
The invention has the advantages that:
the invention relates to a processing method of organic camellia seed oil, which comprises the steps of raw material collection, drying, sorting, husking, crushing and refining to obtain the organic camellia seed oil. Compared with the first-grade camellia seed oil sold in the market at present, the camellia seed oil has low trans-fatty acid content, high vitamin E content, high phytosterol content and high squalene content, and is safer, more nutritional and healthier.
Detailed Description
The following will clearly and completely describe the technical scheme in the embodiment of the invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1:
a processing method of organic camellia seed oil comprises the following steps:
1) and collecting raw materials: the camellia seeds must be collected from a production base for obtaining organic product certification, and the camellia seeds raw materials of a non-organic base and the camellia seeds raw materials with impurities and deteriorated quality must not be mixed;
2) and primary treatment of raw materials: firstly, drying picked camellia seeds by a kang at 45-50 ℃ until the water content is 10% -12%, removing impurities and dust by an electric windmill, carrying out color selection on the camellia seeds, and finally removing metal impurities from the camellia seeds subjected to color selection by using a magnetic separator to obtain preliminarily treated camellia seeds;
3) and (3) reprocessing the raw materials: placing the primarily treated camellia seeds into a camellia seed husking machine for husking, separating the husked camellia seed shells and camellia seed kernels by an automatic wind power device in the husking machine, storing the separated camellia seed kernels into a temporary storage box, and packaging the treated camellia seed shells for storage;
4) and cold pressing: removing color change and unsaturated seeds of the camellia seed kernels in the temporary storage box by using a color selector, and crushing the camellia seed kernels subjected to color selection into 6-8 pieces of particles by using a crusher; directly squeezing the crushed camellia seed kernels by a double-screw oil press to prepare crude oil;
5) filtering the crude oil obtained in the step 4), heating the crude oil filtered to remove particle impurities to 60-65 ℃, adding hot water which is at the same temperature as or slightly higher than the crude oil by 5 ℃, wherein the consumption of the hot water is 3.5 times of that of the crude oil, adding 5% of phospholipid, continuously stirring for 30 minutes for degumming, standing for 2-4 hours, draining water, cooling the oil to normal temperature to obtain the degummed oil, wherein the content of the phospholipid in the degummed oil is 27.7mg/kg, and simultaneously removing tea saponin and mechanical impurities in the camellia seed oil;
6) alkali refining deacidification: the fresh oil tea seed crude oil acid value (KOH) is less than 2mg/g of the degummed oil, and partial acid value can be removed by a deodorization procedure without independent alkali refining; selecting NaOH solution with the mass fraction of 3.65-8.07% for degumming oil of high-valence oleic acid, particularly crude oil acid value (KOH) of less than 2-5mg/g, carrying out normal-temperature alkali refining, wherein the dosage of the NaOH solution is 0.25% of the mass of the degumming oil, quickly adding alkali liquor, the stirring speed is 50-60r/min when the alkali liquor is added, slowly stirring the mixture at the stirring speed of 30r/min after the alkali liquor is added, reacting for 20 minutes, standing for 4 hours, then draining, raising the oil temperature to 70-80 ℃, adding water with the temperature of 85 ℃ of 8-10% of the mass of the oil, standing for 2-4 hours, washing for 2-3 times to ensure that the soap content of the oil is reduced to below 12mg/kg, and then carrying out vacuum dehydration for 30-40 minutes at 105 ℃ to ensure that the acid value (KOH) of the camellia seed oil is reduced to below 0.2 mg/g;
7) and (3) decoloring: heating the alkali refined oil by a heater to 90 ℃, adding 2% of activated clay and 0.5% of activated carbon, mixing and decoloring in a vacuum decoloring tower, wherein the vacuum degree is more than or equal to 0.092 MPa; inputting the mixture of decolorized oil and active carbon into a vertical leaf filter for filtering, then carrying out fine filtration by a bag filter, and removing residual active carbon in the oil to obtain decolorized oil with pigments, residual soap, metal oxides and the like removed;
8) and deodorizing: heating the decolored oil to 140 ℃ through a heater, then feeding the oil into a degasser to remove air in the oil, then carrying out heat exchange with the oil finished by a deodorization temperature and deodorization tower through an oil-oil heat exchanger to recover heat, heating the decolored oil in the last heater to 160-190 ℃ through heat conduction oil supplied by a heat conduction oil furnace, feeding the oil into the deodorization tower to be deodorized, carrying out heat exchange on the deodorized oil, and cooling the oil to 60 ℃ through a cooler to obtain the finished oil without any antioxidant; the test result shows that: when the deodorization temperature is 160-190 ℃, the total trans-fatty acid content of the grease is basically unchanged within 120 min; when the deodorization temperature is 250-270 ℃, the total trans-fatty acid content is rapidly increased along with the prolongation of the deodorization time;
9) and dewaxing: cooling the product oil obtained in the step 8) to about 5 ℃ by a refrigerator, feeding the product oil into a crystallizing tank, and keeping the temperature in the crystallizing tank for 48 hours to ensure that crystals grow and are large and solid, and the oil is less to facilitate filtration; pumping the frozen and crystallized camellia oleosa seed oil into a filter, conveying by adopting a screw pump, controlling the filtered out turbid oil by variable frequency to return to be re-filtered, dewaxing the clear oil (dewaxed oil) and storing in a storage tank, and sealing and filling nitrogen for storage;
10) and filling organic finished camellia oleosa seed oil: qualified outlet pressure and flow are ensured from the oil storage tank, crystals are not damaged, good filtering effect is achieved, and then filtered oil is pumped into a filling machine for automatic filling, so that the finished product of the organic tea oil is obtained.
Through extracting sample inspection many times, this organic tea-oil camellia seed oil can reach following requirement: the content of trans-fatty acid is less than or equal to 0.5 percent, the content of natural vitamin E is more than or equal to 300ppm, the content of phytosterol is more than or equal to 550ppm, and the content of squalene is more than or equal to 200 ppm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (4)
1. The processing method of the organic camellia seed oil is characterized by comprising the following steps of:
1) and collecting raw materials: the camellia seeds must be collected from a production base for obtaining organic product certification, and the camellia seeds raw materials of a non-organic base and the camellia seeds raw materials with impurities and deteriorated quality must not be mixed;
2) and primary treatment of raw materials: firstly, drying picked camellia seeds by a kang at 45-50 ℃ until the water content is 10% -12%, removing impurities and dust by an electric windmill, carrying out color selection on the camellia seeds, and finally removing metal impurities from the camellia seeds subjected to color selection by using a magnetic separator to obtain preliminarily treated camellia seeds;
3) and (3) reprocessing the raw materials: placing the primarily treated camellia seeds into a camellia seed husking machine for husking, separating the husked camellia seed shells and camellia seed kernels by an automatic wind power device in the husking machine, storing the separated camellia seed kernels into a temporary storage box, and packaging the treated camellia seed shells for storage;
4) and cold pressing: removing color change and unsaturated seeds of the camellia seed kernels in the temporary storage box by using a color selector, and crushing the camellia seed kernels subjected to color selection into 6-8 pieces of particles by using a crusher; directly squeezing the crushed camellia seed kernels by a double-screw oil press to prepare crude oil;
5) filtering the crude oil obtained in the step 4), heating the crude oil filtered to remove particle impurities to 60-65 ℃, adding hot water which is at the same temperature as or slightly higher than the crude oil by 5 ℃ and the using amount of which is 3.5 times of the crude oil, adding 5% of phospholipid, continuously stirring for 30 minutes for degumming, standing for 2-4 hours, draining water, and cooling the oil temperature to normal temperature to obtain the degumming oil;
6) alkali refining deacidification: alkali refining is carried out on the degummed oil at normal temperature, the dosage of NaOH solution is 0.25 percent of the mass of the degummed oil, alkali liquor is quickly added, the stirring speed is 50-60r/min when the alkali liquor is added, the stirring speed is reduced to 30r/min after the alkali liquor is added, the slow stirring is carried out, the reaction is carried out for 20 minutes, the drainage is carried out after the standing for 4 hours, the oil temperature is increased to 70-80 ℃, water with the temperature of 85 ℃ and the temperature of 8-10 percent of the mass of the oil is added, the standing is carried out for 2-4 hours, the water washing is carried out for 2-3 times, the soap content of the oil is reduced to be lower than 12mg/kg, and then the vacuum dehydration is carried out for 30-40 minutes at 105 ℃, so that the;
7) and (3) decoloring: heating the alkali refined oil by a heater to 90 ℃, adding 2% of activated clay and 0.5% of activated carbon, mixing and decoloring in a vacuum decoloring tower, wherein the vacuum degree is more than or equal to 0.092 MPa; inputting the mixture of decolorized oil and active carbon into a vertical leaf filter for filtering, then carrying out fine filtration by a bag filter, and removing residual active carbon in the oil to obtain decolorized oil with pigments, residual soap, metal oxides and the like removed;
8) and deodorizing: heating the decolored oil at the temperature of 110-;
9) and dewaxing: cooling the product oil obtained in the step 8) to about 5 ℃ by a refrigerator, feeding the product oil into a crystallizing tank, and keeping the temperature in the crystallizing tank for 48 hours to ensure that crystals grow and are large and solid, and the oil is less to facilitate filtration; pumping the frozen and crystallized camellia oleosa seed oil into a filter, conveying by adopting a screw pump, controlling the filtered out turbid oil by variable frequency to return to be re-filtered, dewaxing the clear oil (dewaxed oil) and storing in a storage tank, and sealing and filling nitrogen for storage;
10) and filling organic finished camellia oleosa seed oil: qualified outlet pressure and flow are ensured from the oil storage tank, crystals are not damaged, a good filtering effect is achieved, and filtered oil is pumped into a filling machine for automatic filling.
2. The processing method of organic camellia seed oil according to claim 1, wherein the degummed oil phospholipid content in the step 5) is 27.7mg/kg, and the tea saponin and mechanical impurities in the camellia seed oil are removed simultaneously in the step 5).
3. The method for processing organic camellia seed oil according to claim 1, wherein in the step 6), the acid value (KOH) of the fresh camellia seed crude oil is less than 2mg/g, and partial acid value can be removed by a deodorization process without separate alkali refining.
4. The method for processing organic camellia seed oil according to claim 1, wherein the high-temperature heat source in the step 8) is a heat-conducting oil furnace supply.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013651A (en) * | 2013-01-10 | 2013-04-03 | 南京财经大学 | Method for producing low-temperature cold-pressed and refined tea seed oil |
| CN104109584A (en) * | 2014-06-25 | 2014-10-22 | 武汉轻工大学 | Production method for preparing and refining oil from tea seeds or camellia seeds |
| CN105219517A (en) * | 2015-09-25 | 2016-01-06 | 潜山县经汇农业综合发展有限公司 | A kind of organic tea oil production technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013651A (en) * | 2013-01-10 | 2013-04-03 | 南京财经大学 | Method for producing low-temperature cold-pressed and refined tea seed oil |
| CN104109584A (en) * | 2014-06-25 | 2014-10-22 | 武汉轻工大学 | Production method for preparing and refining oil from tea seeds or camellia seeds |
| CN105219517A (en) * | 2015-09-25 | 2016-01-06 | 潜山县经汇农业综合发展有限公司 | A kind of organic tea oil production technique |
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