The preparation method of a kind of highland barley essential oil and supercritical extract thereof
Technical field
The present invention relates to a kind of highland barley essential oil and extracting method thereof, especially the preparation method of highland barley bran essential oil and supercritical extract thereof.
Background technology
At present, a lot of to highland barley bran research both at home and abroad, but, in the document, comprise laboratory research at present mostly at functional components such as glucan, polypeptide, almost do not study the bibliographical information of highland barley bran, let alone the production technology of research and development highland barley bran.Retrieval " highland barley bran " or " highland barley bran essential oil " gained information content is zero on Baidu and Google website.
Obtain from the research and development in early stage of our company, highland barley bran has following character:
The aliphatic acid that highland barley bran mainly contains is palmitic acid, oleic acid and linoleic acid, and unrighted acid accounts for more than 80%, its oleic acid content is more than 45%, and is all higher than evening primrose oil, safflower seed oil passionflower seed oil, Chinese gooseberry seed oil and Da Ye crape myrtle seed wet goods branded oil.Oleic acid is monounsaturated fatty acids, has the non-oxidizability higher than polyunsaturated fatty acid, has the LDL of reduction cholesterol, but does not reduce the unique effect of HDL cholesterol, can more effectively prevent artery sclerosis.In addition, the linoleic acid content in the highland barley bran is also higher, reaches more than 30%.Linoleic acid is a unrighted acid, can be combined into ester with cholesterol, and then is degraded to cholic acid and drains, and a large amount of linoleic acid can soften capillary, has the prevention vascular sclerosis, the function of delaying human body caducity.It is significant for the added value that improves highland barley to develop such functional grease.
Vitamin kind in the highland barley bran is many, and content is abundant, and vitamin E and B family vitamin two big classes are arranged substantially.Wherein, the content of vitamin E of highland barley bran is very high, and wherein the alpha-tocopherol of high bioactivity accounts for 60%, and betatocopherol accounts for 35%, also contains a certain amount of tocotrienols, this be other raw materials can't be obtained.Cobastab
1Content be respectively superior wheat flour, rice and soya bean 8 times, 10 times and 2 times approximately, be respectively beef, egg 30 times and 13 times; Cobastab
2Content be respectively 86 times of superior wheat flour, 10 times of rice, 2 times of soya bean, 4 times and 2 times of egg of beef approximately; Cobastab
6Also be much higher than the content of above-mentioned several foods with the content of citrin.And but do not contain or seldom contain these compositions in the normal food.Its abundant B family vitamin can become the natural B vitamin hardening agent of health care and remedy diet.
Highland barley bran contains the necessary for human body several mineral materials, and as magnesium, phosphorus, potassium, zinc, iron, manganese, copper and trace elements of selenium, chromium etc., Se content wherein is very high.Therefore, highland barley bran is very desirable mineral matter source of supply.Highland barley bran also contains bioactivators such as glutathione, octacosanol and highland barley bran agglutinin, has many important physical functions.
Highland barley bran oil contains abundant linoleic acid and vitamin E, and also containing certain octacosanol is the high-grade nutrient health care oil that enjoys people to favor.
On nutrition, the grease of highland barley bran is very desirable on forming.Highland barley bran is the vegetable fatty acid of high-quality, they can play esterification with the cholesterol in the human vas, have the effect that prevents human body artery sclerosis, adjusting human blood-pressure, reduces body's cholesterol, angiocardiopathy preventing, also have the cutaneous lesions and the genetopathy change that prevent that organism metabolic disorder from producing simultaneously.Phytosterol in the highland barley bran grease can suppress cholesterol and inhale thing in body, and lecithin has softening blood vessel, increases blood vessel elasticity, prevents thrombotic effect.Vitamin E is a kind of free radical scavenger, has been proved to be to have to delay senility, prevent and treat angiocardiopathy, important physiological function such as antitumor.
Moreover, highland barley bran also contains natural ceramide, is present known one of maximum raw material of natural ceramide that contains.Ceramide is one of most important component of human body skin.Ceramide is latest generation NMF and the nutritional agents of developing in recent years, is a kind of lipid matter, and it is close with the structure of matter that constitutes keratoderma, can penetrate into the water combination in skin and the cuticula very soon, forms a kind of network structure, pins moisture.The people increases along with the age and enters the senescence phase, the ceramide that exists in the skin reduces gradually, the appearance of skin abnormality symptoms such as Dry and coarse skin type also is that additional ceramide is comparatively ideal way owing to due to the minimizing of ceramide amount, therefore will prevent this class skin abnormality.Ceramide is the efficient moisture-retention agent, is very easily absorbed by skin, and can promote other nutriment infiltrations, is applicable to coarse, dry many bits skin, and especially preserving moisture efficient to old Dry is 80%.Molecular complex by hydrogen bond formation layer structure promotes the aquation of epidermis, thereby improves the ability that skin keeps moisture.Ceramide can strengthen the cohesive force of epidermal cell, repair skin barrier function, thereby alleviate the furfur symptom of angleplied laminate, help skin to recover again, improve skin appearance, make skin smooth flexible, also can avoid or reduce the abrasion that causes because of the ultraviolet ray irradiation, thereby help skin anti-aging.Ceramide also helps to dispel wrinkle on the skin, removes skin dermatitis, keeps the elasticity of skin.
And, also containing SOD (superoxide dismutase) in the highland barley bran, SOD is a kind of active material that comes from life entity, can eliminate the harmful substance that organism produces in metabolic processes.Human body is constantly replenished SOD have antidotal special-effect.Erythrocuprein (Superoxide dismutaee is called for short SOD) is a kind of novel enzyme preparation, and it is wide at the distributed pole of living nature, almost from people to the cell, from the animal to the plant, its existence is arranged all.Originally from ox blood, produced existing how from pig blood, the extraction.It all has certain curative effect for the various diseases that treatment causes because of superoxide ion, especially treats rheumatoid arthritis, erythema trace sore, and dermatomyositis etc. all have positive effect.In addition, anti-aging in radiation proof, aspect such as antitumor has also entered clinical.SOD has special physiologically active, is the primary material of removing free radical in the organism.SOD level in vivo just means old and feeble with dead index directly perceived; Confirm that now the disease that is caused by oxygen radical reaches kind more than 60.It can resist and block the infringement that causes because of the oxygen radical pair cell, and in time repairs damaged cell, restores the pair cell injury that causes because of free radical.Since modern life pressure, environmental pollution, and various radiation and excess motion all can cause oxygen radical to form in a large number; Therefore, the status of SOD is more and more important in the biological antioxidant mechanism!
The research and development of relevant highland barley bran continuing, believe in the near future that also the information of relevant highland barley bran can be enriched more.
Quite extensive about supercritical extraction process, the equipment basic forming.The supercritical fluid extraction process is to utilize to be in that critical pressure and the above fluid of critical-temperature have the solvability of special increase and the chemical separating new technology that develops out, it is found that to be in critical pressure and the above fluid phenomenon that dissolving increases to organic compound of critical-temperature is very surprising.Generally can increase several magnitude, under proper condition even can reach by vapour pressure and calculate 1010 times (oleic acid solubility in overcritical ethene) of gained concentration but the new separation technology one supercritical fluid extraction process of using this special solvability but is nearly 20 years thing.Since the eighties, drop into a large amount of human and material resources in the world and study, scope relates to fields such as food, spices, medicine and chemical industry, and has obtained a series of progress.China's supercritical fluid extraction research starts from early 1980s, and from basic data, aspects such as technological process and experimental facilities progressively develop, and go through the effort in more than 20 year, and China's supercritical liquid extraction technique research and application achieve notable results.
The early stage highland barley bran of our research is to adopt solvent extraction method and squeezing to extract from method, sees that specifically my company delivers relevant patent.
Summary of the invention
About the research of highland barley bran, be that an accidentalia is found.The grease that is rich in the highland barley generally all is limited in the barley germ of research.Since the feature taste of highland barley bran, thus researcher's interest caused, and then opened the mysterious veil of highland barley bran.
The extracting method that the purpose of this invention is to provide a kind of highland barley bran and highland barley bran thereof.
The highland barley bran that provides of the present invention adopts the supercritical extract mode to obtain from highland barley bran.
The method of highland barley bran that provides of the present invention comprises following steps:
The preliminary treatment of 1 highland barley bran;
I) hullessbarley seed is removed foreign material, foreign material content is 0.001%-5%, and is best at 0.01%-4%;
Ii) with the hullessbarley seed of removal of impurities, pulverize, sieve, obtain wheat bran, general wheat bran particle diameter is at 10nm-5mm, and is best at 100nm-0.5mm;
Iii) with gained wheat bran drying, general water content is controlled at 0.001%-10%, and is best at 0.01%-5%.
2 supercritical extracts;
I) main solvent is meant the higher medium of content in the supercritical fluid, is the indispensable part of supercritical medium.
The main solvent of the supercritical fluid that the present invention uses is respectively a carbon dioxide, fluorine Lyons, fluorine carbon hydrocarbon, water, gasoline, benzinum, diesel oil, kerosene, solvent naphtha, acetone, ether, oxolane, propyl alcohol, butanols isopropyl alcohol, the tert-butyl alcohol, ammonia, ethane, ethene, carrene, dichloroethanes, chloroform, carbon tetrachloride, benzene, toluene, dimethylbenzene, acetylene, cyclohexane, pentamethylene, octane, Permethyl 99A, isohexadecane, carbon disulfide, nitrous oxide, propane, butane, pentane, caproic acid methyl alcohol, ethanol, ethyl acetate, trifluoro monochloro carbon etc., best main solvent is a carbon dioxide, water, ammonia, ethane, ethene, acetylene, nitrous oxide, propane, butane, pentane, hexane, methyl alcohol, ethanol, ethyl acetate, trifluoro monochloro carbon etc.Also can be wherein one or more.
Ii) cosolvent, cosolvent is meant the lower part of content in the supercritical fluid, plays the effect of assist in dissolving.
The cosolvent of the supercritical fluid that the present invention uses is respectively a carbon dioxide, fluorine Lyons, water, gasoline, benzinum, diesel oil, kerosene, solvent naphtha, acetone, ether, oxolane, propyl alcohol, butanols, isopropyl alcohol, the tert-butyl alcohol, ammonia, ethane, ethene, carrene, dichloroethanes, chloroform, carbon tetrachloride, benzene, toluene, dimethylbenzene, acetylene, cyclohexane, pentamethylene, octane, Permethyl 99A, isohexadecane, carbon disulfide, nitrous oxide, propane, butane, pentane, hexane, methyl alcohol, ethanol, ethyl acetate, trifluoro monochloro carbon etc., best cosolvent is a carbon dioxide, water, ammonia, ethane, ethene, acetylene, nitrous oxide, propane, butane, pentane, hexane, methyl alcohol, ethanol, ethyl acetate, trifluoro monochloro carbon etc.Also can be wherein one or more, also can not use cosolvent.
Iii) technology
The process for super-critical extracting that the present invention adopts, the technology that can adopt the single step extraction to separate with single step, the method that also adopts stage extraction to separate with two steps also can adopt multistage to extract and the multistep separation processes.The narration of this flow process is described in detail with stage extraction and two step separation processes, sees Figure of description 1.
As shown in Figure 1, the highland barley bran powder in the head tank 7 is inserted extractor 6, cosolvent is also added extractor 6, then that the extractor preheating is temperature required, actual temp is more than or equal to the critical-temperature of main solvent.Main solvent is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 5-60L/h, pressure is the critical pressure that equals of main solvent during beginning, or be no more than 2.5 times of critical pressure, the pressure of extractor of raising then be critical pressure 3-8 doubly. utilize the solvability of main solvent to the grease in the highland barley bran, oil extraction in the highland barley bran is gone out, the grease that is dissolved in the main solvent successively enters into low melting point cut separator 8 and high-melting-point cut separator 9 with main solvent, the low melting point highland barley bran of separating from low melting point cut separator enters into low melting point product jar l0, and the high-melting-point highland barley bran of separating from high-melting-point cut separator enters into high-melting-point product jar 11, the main solvent that comes out from high-melting-point cut separator, get back to the main solvent storage tank through clarifier 12, recycling.Refuse in extractor is discharged, and enters waste tank 13.
Described hydrotropy dosage is the 0-10% of extractor, and the raw material charging quantity is the 1%-70% of extractor.
The technological process of the technology of separating with single step for the single step extraction is almost similar to stage extraction and two step separation processes, just do not segment low melting point and dystectic distillate, that is to say, there are not 8 in the flow chart and 10, good cut directly enters 9 but main solvent is carrying extraction, and other are the same.This flow chart so the present invention does not draw specially.
Also almost similar for the multistage extraction to stage extraction and two step separation processes with the multistep separation processes, just segmented product cut more, on this basis, increase multicomponent from device and product storage tank, other are the same.This flow chart so the present invention does not draw specially.
Description of drawings
Fig. 1 is the supercritical extraction process flow chart of highland barley bran provided by the invention.1 is the main solvent storage tank among the figure, and 2 is liquefiers among the figure, and 3 is high-pressure pumps among the figure, 4 is preheaters among the figure, 5 is cosolvent storage tanks among the figure, and 6 is extractors among the figure, and 7 is head tanks among the figure, 8 is low melting point product knockout drums among the figure, 9 is high-melting-point product knockout drums among the figure, and 10 is product storage tanks among the figure, and 11 is product storage tanks among the figure, 12 is clarifiers among the figure, and 13 is waste tank among the figure.
The specific embodiment
Embodiment 1
With the 200nm granularity in the head tank 7, water content 10%, the highland barley bran powder 60g (about 200ml) of impurity content 0.2% inserts extractor 6, and volume is 1L, cosolvent water 2g is added extractor 6, then with 35 ℃ of extractor preheatings.The main solvent carbon dioxide is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 5L/h, pressure is the 80B of main solvent during beginning, and the pressure of the extractor that raises then is that the 260B. separator of critical pressure and the temperature of product storage tank all are 32 ℃.The pressure perseverance of separator 8 is 220Bar, and the pressure perseverance of separator 9 is 180Bar, all is constant voltage extractions.Corresponding product enters the corresponding product storage tank.The extractor waste material is arranged into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 11 gets low melting point highland barley bran 1.5 grams, and product jar 12 gets high-melting-point highland barley bran 0.3 gram.After 3 hours, product jar 11 gets low melting point highland barley bran 2.0 grams, and product jar 12 gets high-melting-point highland barley bran 1.1 grams.The theoretical content of highland barley bran is 5.5%, and theoretical yield is the 60*5.5%=3.3 gram, so the highland barley bran yield after 3 hours is 3.1/3.3=93.9%.
Embodiment 2
With the 600nm granularity in the head tank 7, water content 0.001%, the highland barley bran powder 60g (about 200ml) of impurity content 3% inserts extractor 6, and volume is 1L, cosolvent Permethyl 99A 100g is added extractor 6, then with 80 ℃ of extractor preheatings.The main solvent carbon dioxide is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enters into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 60L/h, and pressure is the 90B of main solvent during beginning, the pressure of the extractor that raises then, be the 200B of critical pressure, the temperature of separator and product storage tank all is 40 ℃.The pressure perseverance of separator 9 is the constant voltage extraction for 180Bar.Corresponding product enters the corresponding product storage tank.The extractor waste material is arranged into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 12 got high-melting-point highland barley bran 1.5 grams after 3 hours, and product jar 12 gets high-melting-point highland barley bran 2.6 and restrains.The theoretical content of highland barley bran is 5.5%, and theoretical yield is a 60*5.5%=3.3 gram, thus hour after the highland barley bran yield be 2.6/3.3=78.8%.
Embodiment 3
With the 4mm granularity in the head tank 7, water content 5%, the highland barley bran powder 60g (about 200ml) of impurity content 2% inserts extractor 6, and volume is 1L, cosolvent ethyl acetate 20g is added extractor 6, then with 65 ℃ of extractor preheatings.Main solvent ethene is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 38L/h, pressure is the 30B of main solvent during beginning, and the pressure of the extractor that raises then is that the 90B. separator of critical pressure and the temperature of product storage tank all are 42 ℃.The pressure perseverance of separator 8 is 50Bar, and the pressure of separator 9 begins to be 50Bar, is adjusted into 70B after 1.5 hours.Corresponding product enters the corresponding product storage tank.The extractor waste material is arranged into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 11 gets low melting point highland barley bran 1.5 grams, and product jar 12 gets high-melting-point highland barley bran 0.3 gram.After 3 hours, product jar 11 gets low melting point highland barley bran 1.8 grams, and product jar 12 gets high-melting-point highland barley bran 1.4 grams.The theoretical content of highland barley bran is 5.5%, and theoretical yield is the 60*5.5%=3.3 gram, so the highland barley bran yield after 3 hours is 3.2/3.3=97.0%.
Embodiment 4
With the 500nm granularity in the head tank 7, water content 0.5%, the highland barley bran powder 60g (about 200ml) of impurity content 0.1% inserts extractor 6, and volume is 1L, and cosolvent carbon disulfide 19g is added eight extractors 6, then with 65 ℃ of extractor preheatings.The main solvent normal butane is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 42L/h, pressure is the 93.75B of main solvent during beginning, and the pressure that the temperature that raises is then got jar is that the 300B. separator of critical pressure and the temperature of product storage tank all are 52 ℃.The pressure of separator 8 begins to be 280B, and after 1 hour, pressure is reduced to 180B.The pressure of separator 9 begins to be 120B, and after 1 hour, pressure rises to 280.Corresponding product enters corresponding product storage tank extractor waste material and arranges into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 11 gets low melting point highland barley bran 1.8 grams, and product jar 12 gets high-melting-point highland barley bran 0.0 gram.After 3 hours, product jar 11 gets low melting point highland barley bran 2.1 grams, and product jar 12 gets high-melting-point highland barley bran 1.1 grams.The theoretical content of highland barley bran is 5.5%, and theoretical yield is the 60*5.5%=3.3 gram, so the highland barley bran yield after 3 hours is 3.2/3.3=97%.
Implementation column 5
With the 150nm granularity in the head tank 7, water content 5.8%, the highland barley bran powder 200g (about 700ml) of impurity content 5% inserts extractor 6, and volume is 1L, cosolvent fluorine Lyons 6g is added extractor 6, then with 35 ℃ of extractor preheatings.The main solvent carbon dioxide is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 5L/h, pressure is the 80B of main solvent during beginning, and the pressure of the extractor that raises then is that the 260B. separator of critical pressure and the temperature of product storage tank all are 32 ℃.The pressure perseverance of separator 8 is 220Bar, and the pressure perseverance of separator 9 is 180Bar, all is constant voltage extractions.Corresponding product enters the corresponding product storage tank.The extractor waste material is arranged into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 11 gets low melting point highland barley bran 5.0 grams, and product jar 12 gets high-melting-point highland barley bran 0.5 gram.After 3 hours, product jar 11 gets low melting point highland barley bran 7.8 grams, and product jar 12 gets high-melting-point highland barley bran 3.0 grams.The theoretical content of highland barley bran is 55%, and theoretical yield is the 200*5.5%=1 gram, so the highland barley bran yield after 3 hours is 10.8/11=98.2%.
Implementation column 6
With the 10nm granularity water content 0.001% in the head tank 7, the highland barley bran powder 3g (about 10ml) of impurity content 0.001% inserts extractor 6, and volume is 1L, cosolvent dichloroethylene 6g is added extractor 6, then with 35 ℃ of extractor preheatings.The main solvent pentane is liquefied to liquefier 2 by basin 1, squeeze into preheater 4 through high-pressure pump 3, the main solvent preheat temperature is identical with the extractor temperature, after the preheating, enter into extractor 6, extract with highland barley bran powder and cosolvent, flow velocity is controlled at 5L/h, pressure is the 80B of main solvent during beginning, and the pressure of the extractor that raises then is that the 260B. separator of critical pressure and the temperature of product storage tank all are 32 ℃.The pressure perseverance of separator 8 is 220Bar, and the pressure perseverance of separator 9 is 180Bar, all is constant voltage extractions.Corresponding product enters the corresponding product storage tank.The extractor waste material is arranged into waste tank.Get back to the main solvent storage tank from the main solvent that separator 9 comes out through clarifier, utilize again.After 1 hour, product jar 11 gets low melting point highland barley bran 0.132 gram, and product jar 12 gets high-melting-point highland barley bran 0.01 gram.After 3 hours, product jar 11 gets low melting point highland barley bran 0.142 gram, and product jar 12 gets high-melting-point highland barley bran 0.023 gram.The theoretical content of highland barley bran is 5.5%, and theoretical yield is the 3*5.5%=0.165 gram, so the highland barley bran yield after 3 hours is 0.165/0.165=100%.
Embodiment 7-embodiment 30
Title |
Main solvent |
Cosolvent |
Yield | Remarks |
Embodiment |
7 |
Carbon dioxide+water |
Oxolane |
75% |
CO2∶H2O=6∶4 |
Embodiment 8 |
Dimethylbenzene |
Ethanol |
62% |
|
Embodiment 9 |
The tert-butyl alcohol+ethyl acetate |
Propane |
78% |
Product appearance becomes clarification |
Embodiment |
10 |
Ether |
Benzene |
21% |
Muddy |
Embodiment |
11 |
Benzinum |
Acetone |
81% |
|
Embodiment 12 |
Octane |
Ethanol |
67% |
|
Embodiment 13 |
Pentamethylene |
Carrene |
68% |
|
Embodiment 14 |
Toluene+benzene |
Water |
69% |
Colourless |
Embodiment 15 |
Hexane |
Carbon tetrachloride |
70% |
|
Embodiment 16 |
Carbon tetrachloride |
Octane |
20% |
Muddy |
Embodiment 17 |
Tetrachloroethanes |
Kerosene |
18% |
Muddy |
Embodiment 18 |
Chloroform |
Diesel oil |
18% |
Capture alive |
Embodiment 19 |
Acetone+methyl alcohol |
Isohexadecane |
22% |
Acetone: methyl alcohol=1: 1 |
Embodiment 20 |
Carbon disulfide | Butanols | |
9% |
Colourless |
Embodiment 21 |
Solvent naphtha+octane |
Ammonia |
17% |
Solvent naphtha: octane=10: 1, muddiness |
Embodiment 22 |
Permethyl 99A |
Trifluoro monochloro carbon |
25% |
Muddy |
Embodiment 23 |
Gasoline+diesel oil |
Ammonia |
29% |
Gasoline: diesel oil=2: 1, muddiness |
Embodiment 24 |
Butanols+propyl alcohol |
Nitrous oxide |
31% |
Butanols propyl alcohol=5: 1, muddiness |
Embodiment 25 |
Cyclohexane |
Ethene |
65% |
|
Embodiment 26 |
Acetylene |
Gasoline |
89% |
|
Embodiment 27 |
Ammonia |
Pentamethylene |
88% |
|
Embodiment 28 |
Trifluoro monochloro carbon |
Ethyl acetate |
86% |
|
Embodiment 29 |
Ethyl acetate |
Fluorine Lyons |
75% |
|
Embodiment 30 |
Water |
Acetylene |
91% |
|
Technology is the same, slightly.