CN103289817A - Production method of tea seed oil - Google Patents

Production method of tea seed oil Download PDF

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Publication number
CN103289817A
CN103289817A CN2013102142411A CN201310214241A CN103289817A CN 103289817 A CN103289817 A CN 103289817A CN 2013102142411 A CN2013102142411 A CN 2013102142411A CN 201310214241 A CN201310214241 A CN 201310214241A CN 103289817 A CN103289817 A CN 103289817A
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China
Prior art keywords
tea
seed
seed benevolence
particle
microwave
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CN2013102142411A
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郑华
张斌
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JIANGXI TEA AND FRUIT INDUSTRY AGRICULTURE TECHNOLOGY Co Ltd
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JIANGXI TEA AND FRUIT INDUSTRY AGRICULTURE TECHNOLOGY Co Ltd
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Priority to CN2013102142411A priority Critical patent/CN103289817A/en
Publication of CN103289817A publication Critical patent/CN103289817A/en
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  • Tea And Coffee (AREA)
  • Edible Oils And Fats (AREA)

Abstract

The invention discloses a production method of tea seed oil. The method comprises the following steps of: drying, removing shell, grinding, stirring, standing still, carrying out microwave treatment and cold pressing to obtain the tea seed oil. The tea seed kernel particles are treated by microwave irradiation, so that the action time is short, and the cell wall can be effectively broken; the irradiation temperature is low, so that the nutritional ingredients of the tea seed oil are effectively protected, and the quality of the tea seed oil is further protected; the oil yield of the tea seed oil obtained by cold pressing is improved and reaches 5.22%; the microwave irradiation time is short, so that the energy is saved, the production efficiency is improved, the production cost is better reduced, and the economic benefit is improved.

Description

A kind of production method of tea seed oil
Technical field
The present invention relates to a kind of production method of tea seed oil.
Background technology
Tea tree is the Camellia plant, and tea tree is evergreen shrubs or dungarunga, high 1-6m; Tea tree generally blooms in the 10-11 month mostly, and leaf is the important vegetative organ of tea tree, is the main object that people gather, but the leaf tea making of tea tree, tea is one of the world's three big beverages, tea is China's famous product, is the traditional exported product of China.
The fruit of tea tree is capsule, mostly is the 3-4 chamber greatly, and the 1-2 chamber is also arranged, and it is tea-seed that there is 1-2 grain seed every chamber; 1 of every chamber spherical in shape, 2 be semisphere, after the tea tree fruit maturation, pericarp splits, and seed comes off, seed is chocolate, rare gloss, full of elasticity, inner cotyledon is full, tea-seed is the fruit of tea tree, be the by product of Tea Production, the pure kernel yield of tea-seed is about 70%, the whole seed oil-containing 10%-15% of tea-seed; For a long time, people are more for the concerns such as exploitation of plantation, processing and the tea products of tealeaves, but not too pay attention to for the development and use of tea-seed, therefore, ripe tea-seed is except the breeding tea tree, and all the other major parts come off naturally, rot in the ground, caused the waste of resource.
China produces tea big country, the whole nation has 19 provinces to produce tealeaves according to statistics, have more than 2,500 ten thousand mu in tea place, every mu of tea-seed can produce oil about 25 kilograms, tea-seed that produce in the tea place by 30% can utilize, the tea seed oil of producing high-quality per year then can reach 18.75 ten thousand tons, and the output value reaches 7,500,000,000 yuan, tea-seed resource abundance.
Tea-seed is not exploited for a long time, if tea-seed is become the raw material of producing tea seed oil, just can be the tea grower and bring extra income, the commodity that tea-seed has just become the tea grower to increase income, be conducive to stablize the source of enterprise's raw materials for production, promote the agricultural structure adjustment, keep the Sustainable development of Tea Production.
The technology of squeezing of China's vegetables oil mainly can be divided into traditional hot moulding, water float glass process (little mill sesame oil) at present, solvent extraction and cold-press, and suitability for industrialized production generally generally adopts hot moulding, solvent extraction and cold-squeezing.
The hot moulding technological merit is the oil yield height, 6%-8% is lower for dregs of rice slag residual oil content, shortcoming is that the seed benevolence of oil expression raw material needs high temperature to steam stir-fry, steam to fry temperature 〉=120 ℃, the oxidizing reaction that high temperature is accelerated grease easily produces objectionable impurities, in 40 minutes process of 〉=120 ℃ of heating nonenzymatic browning reaction can take place through ultraviolet-visible photometer test experiments proof, produce the material of chocolate, this material has strong absorption at the 420nm place, can judge that at the light absorption value at 420nm place steaming the stir-fry process is the reason that makes the tea seed oil color burn by measuring grease, from the variation tendency of CD value and TBARS content as can be seen, the oxidative stability of grease descends when temperature 〉=120 ℃.
Water float glass process grease yield is low, and the tea saponin that tea-seed contains about 13%-15% easily produces emulsion, is not suitable for the suitability for industrialized production of tea seed oil.
The solvent extraction method is the mature technology that the edible vegetable oil and fat suitability for industrialized production generally adopts, but, lixiviation process generally be usually used in oleaginousness 20% with interior oil plant benevolence seed or the dregs of rice slag after squeezing grease, and the oleaginousness of tea-seed benevolence is about 26%-28%, solvent extraction method shortcoming also has, and influences the grease local flavor, and dissolvent residual may influence edible safety, production energy consumption is bigger, and atmospheric environment is had certain pollution.
Cold-squeezing has quite been favored since coming out, and need not high temperature and steams stir-fry, and grease is difficult for oxidizing reaction takes place, and not only can well keep original local flavor of tea seed oil, and its distinctive micro-nutrient composition linolenic acid, VE, squalene etc. are preserved simultaneously; Shortcoming is that the cold press oil yield is lower, presses the whole seed of tea-seed and calculates, and the grease yield generally has only about 5%, and residual oil content is too high in the dregs of rice slag.
Traditional hot moulding, cold press and leaching-out technique are still adopted in the production of present domestic edible vegetable oil, and the existing technology of simple employing is squeezed tea seed oil and all had certain limitation.
High temperature steams stir-fry tea-seed benevolence makes grease generation oxidation easily, destroy the stability of grease, high temperature makes also that the part nutritive substance is destroyed and loses, and cold press tea seed oil yield is lower, residual oil content is too high in the dregs of rice slag, and this contradiction has restricted the suitability for industrialized production that high-level efficiency is obtained high-quality natural tea seed oil.
Summary of the invention
Purpose of the present invention aims to provide a kind of production method of tea seed oil, improves quality and the oil yield of tea seed oil, have energy-efficient, the characteristics that production cost is lower.
For achieving the above object, the production method of tea seed oil of the present invention is: dry → as to shell → pulverize → stir → leave standstill → microwave treatment → cold press → tea seed oil, dry: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; Shelling: the tea-seed shell is separated with tea-seed benevolence; Pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; Stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; Leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; Microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 1-2 minute, temperature≤80 ℃; Cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
The production method of tea seed oil of the present invention compared with prior art has following excellent effect.
Adopt microwave exposure tea-seed benevolence particle, action time is short, can break cell walls effectively; Irradiation temperature is low, has protected the nutritive ingredient of tea seed oil effectively, thereby has guaranteed the quality of tea seed oil; Improve the oil yield of cold press tea seed oil, reached 5.22%; The about energy of microwave irradiation time pipe nipple has improved production efficiency, is conducive to reduce production costs, and increases economic efficiency.
Water is made up of polar molecule, and the orientation of this polar molecule can change with microwave field.Because this motion of water in the tea-seed benevolence powder, and adjacent intermolecular interaction, produced the phenomenon of similar friction, collision, water temperature is raise, and water molecules moves mutually and elevates the temperature equally in the vegetable cell, the water molecules volume expands rapidly, and the pressure in the vegetable cell raises cell walls is broken, and oil has also just flowed out.Microwave exposure tea-seed benevolence powder is short action time, and temperature is low, and is effective; Cold press is the result prove, microwave exposure improves 5.22% than simple pressed oil oil yield.
Embodiment
Embodiment 1
The production method of tea seed oil of the present invention is: dry → as to shell → pulverize → stir → leave standstill → microwave treatment → cold press → tea seed oil.
1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 1.5 minutes, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
In the average oil length 27% of tea-seed benevolence, adopt the inventive method, per 100 kilograms of tea-seed benevolence can obtain about 19.3 kilograms of oil, and oil yield reaches 19.3%, extraction rate reached to 71.48%, dregs of rice slag residual oil content≤about 7.7%.
Embodiment 2
The production method of tea seed oil of the present invention is: dry → as to shell → pulverize → stir → leave standstill → microwave treatment → cold press → tea seed oil, 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 2 minutes, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
In the average oleaginousness 27% of tea-seed benevolence, adopt the inventive method, per 100 kilograms of tea-seed benevolence can obtain about 20.52 kilograms of oil, and oil yield reaches 20.52%, extraction rate reached to 76%, dregs of rice slag residual oil content≤about 6.48%.
Embodiment 3
The production method of tea seed oil of the present invention is: dry → as to shell → pulverize → stir → leave standstill → microwave treatment → cold press → tea seed oil, 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 1 minute, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
In the average oleaginousness 27% of tea-seed benevolence, adopt the inventive method, per 100 kilograms of tea-seed benevolence can obtain about 18.12 kilograms of oil, and oil yield reaches 18.12%, extraction rate reached to 67.11%, dregs of rice slag residual oil content≤about 8.88%.

Claims (4)

1. the production method of a tea seed oil is characterized in that 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 12 minutes, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
2. the production method of a kind of tea seed oil according to claim 1 is characterized in that 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 1.5 minutes, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
3. the production method of a kind of tea seed oil according to claim 1 is characterized in that 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 2 minutes, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
4. the production method of a kind of tea seed oil according to claim 1 is characterized in that 1, drying: the fresh tea picked seed dries or dries then, makes the tea-seed water ratio be down to 8%~10%; 2, shelling: the tea-seed shell is separated with tea-seed benevolence; 3, pulverize: pulverize in the tea-seed benevolence pulverizer after will shelling, form 10 orders-20 purpose particle; 4, stir: the tea-seed benevolence particle after will pulverizing places in the twin screw mixing machine and stirs, and in whipping process, adopts spray pattern, adds the moisture of tea-seed benevolence weight 20%, and water is the room temperature tap water, and moisture adds the back to be continued to stir 20 minutes; 5, leave standstill: left standstill 30 minutes after stirring is finished, make tea-seed benevolence particle fully absorb moisture; 6, microwave treatment: tea-seed benevolence particle transport is advanced in the microwave device, and tea-seed benevolence grain thickness≤3 centimeters arranges microwave operational frequencies 2450MHZ, irradiation time 1 minute, temperature≤80 ℃; 7, cold press: the tea-seed benevolence particle after microwave exposure handled places in the cold pressing expeller and extracts oil.
CN2013102142411A 2013-05-22 2013-05-22 Production method of tea seed oil Pending CN103289817A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103773594A (en) * 2014-01-20 2014-05-07 金华市农业科学研究院 Tea seed oil cold pressing method
CN104450168A (en) * 2014-11-21 2015-03-25 广东瑞恒农林科技发展有限公司 Low-temperature pressing and physical refining method of camellia-seed oil
CN105779106A (en) * 2016-05-10 2016-07-20 林智生 Method for processing oil bearing crop seeds by variable pressure
CN105820867A (en) * 2016-05-10 2016-08-03 林智生 Method for enzymolysis treatment of oil crop seeds
CN105886110A (en) * 2016-05-10 2016-08-24 林智生 Processing method of oil crop seeds
CN105969509A (en) * 2016-05-10 2016-09-28 林智生 Sesame seed treatment method
CN108753439A (en) * 2018-05-30 2018-11-06 无限极(中国)有限公司 A kind of oil plant squeezes the method for grease and the application of the grease

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CN101911983A (en) * 2010-07-13 2010-12-15 中国农业科学院油料作物研究所 Method for pre-treating oil crop seeds by using microwave

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103773594A (en) * 2014-01-20 2014-05-07 金华市农业科学研究院 Tea seed oil cold pressing method
CN104450168A (en) * 2014-11-21 2015-03-25 广东瑞恒农林科技发展有限公司 Low-temperature pressing and physical refining method of camellia-seed oil
CN104450168B (en) * 2014-11-21 2018-01-30 广东瑞恒农林科技发展有限公司 A kind of method of cold pressing and Physical refining camellia seed oil
CN105779106A (en) * 2016-05-10 2016-07-20 林智生 Method for processing oil bearing crop seeds by variable pressure
CN105820867A (en) * 2016-05-10 2016-08-03 林智生 Method for enzymolysis treatment of oil crop seeds
CN105886110A (en) * 2016-05-10 2016-08-24 林智生 Processing method of oil crop seeds
CN105969509A (en) * 2016-05-10 2016-09-28 林智生 Sesame seed treatment method
CN108753439A (en) * 2018-05-30 2018-11-06 无限极(中国)有限公司 A kind of oil plant squeezes the method for grease and the application of the grease

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Application publication date: 20130911