CN113197977A - Rice bran fatty alkanol aqueous phase solution and preparation method thereof - Google Patents
Rice bran fatty alkanol aqueous phase solution and preparation method thereof Download PDFInfo
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- CN113197977A CN113197977A CN202110419737.7A CN202110419737A CN113197977A CN 113197977 A CN113197977 A CN 113197977A CN 202110419737 A CN202110419737 A CN 202110419737A CN 113197977 A CN113197977 A CN 113197977A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 124
- 235000009566 rice Nutrition 0.000 title claims abstract description 124
- 239000008346 aqueous phase Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 123
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000002904 solvent Substances 0.000 claims abstract description 45
- 239000012071 phase Substances 0.000 claims abstract description 44
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims abstract description 43
- 229920000053 polysorbate 80 Polymers 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 29
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000003125 aqueous solvent Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000003995 emulsifying agent Substances 0.000 abstract description 13
- 239000006184 cosolvent Substances 0.000 abstract description 7
- 230000000052 comparative effect Effects 0.000 description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 235000010445 lecithin Nutrition 0.000 description 3
- 239000000787 lecithin Substances 0.000 description 3
- 229940067606 lecithin Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000001802 myricyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
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- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/88—Liliopsida (monocotyledons)
- A61K36/899—Poaceae or Gramineae (Grass family), e.g. bamboo, corn or sugar cane
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
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- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
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Abstract
The invention discloses a water-phase solution of rice bran fatty alkanol and a preparation method thereof. The preparation method comprises the following steps of 1: weighing the rice bran fatty alkanol and the tween 80, mixing and heating to obtain a primary mixed base material; step 2: and adding a water phase solvent and ethanol into the primarily mixed base material, and uniformly mixing to obtain a rice bran fatty alkanol aqueous phase solution. According to the preparation method of the water phase solution of the rice bran fatty alkanol, Tween 80 is used as an emulsifier, the rice bran fatty alkanol is dissolved in the water phase solvent, the water phase solution of the rice bran fatty alkanol is in a clear, transparent and stable state, the rice bran fatty alkanol can be applied to various products using the water phase solvent as a basic solvent, and the application range of the rice bran fatty alkanol can be greatly improved. Wherein, ethanol is a cosolvent, which increases the solubility of the rice bran fatty alkanol in the aqueous phase solvent. The Tween 80 has small taste, and can make the water phase solution of rice bran fatty alkanol be in a clear, transparent and stable state, and has small smell. The ethanol is edible ethanol.
Description
Technical Field
The invention relates to the field of preparation of water-phase solvent-soluble rice bran fatty alkanol, in particular to a water-phase rice bran fatty alkanol solution and a preparation method thereof.
Background
Rice Bran Fatty alkanol (Rice Bran fat Alcohol) is derived from Rice Bran, and is prepared by preparing Rice Bran wax from Rice Bran as raw material, saponifying, extracting, filtering, etc. The main components of the rice bran fatty alkanol include dioctadecyl fatty alkanol, triacontyl fatty alkanol and dotriacontal fatty alkanol, and the appearance of the rice bran fatty alkanol is white to light yellow powder.
The rice bran fatty alkanol has the effect of actively promoting the physiological function of a human body, and has important application in the fields of natural health care products, sports drinks, cosmetics, medicines and the like. The rice bran fatty alkanol belongs to higher fatty alcohol and is insoluble in a water phase solvent. Therefore, the rice bran fatty alkanol is difficult to be applied to various products using an aqueous phase solvent as a base solvent, and the application of the rice bran fatty alkanol is greatly limited.
Disclosure of Invention
The invention aims to provide a water phase solution of rice bran fatty alkanol and a preparation method thereof.
The invention discloses a preparation method of a water-phase solution of rice bran fatty alkanol, which comprises the following steps:
step 1: weighing the rice bran fatty alkanol and the tween 80, mixing and heating to obtain a primary mixed base material;
step 2: and adding a water phase solvent and ethanol into the primarily mixed base material, and uniformly mixing to obtain a rice bran fatty alkanol aqueous phase solution.
Optionally, step 1 specifically includes:
heating to melt the fatty alkanol of the rice bran, wherein the heating temperature is more than 83 ℃;
stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 1-2 min.
Optionally, the step 2 specifically includes:
and adding the water phase solvent with the temperature of more than 83 ℃ into the initially mixed base material, and keeping the temperature, stirring and uniformly mixing for 5-15 min.
Optionally, the step 2 specifically includes:
and cooling the primarily mixed base material to below 78 ℃, adding ethanol into the primarily mixed base material, and stirring and uniformly mixing for 2-3 min to obtain the rice bran fatty alkanol aqueous phase solution.
Optionally, the proportion of the rice bran fatty alkanol is 0.01-1 wt%, the proportion of the tween 80 is 0.03-2 wt%, the proportion of the ethanol is 0-3 wt%, and the balance is an aqueous phase solvent.
Optionally, the weight percentage of the tween 80 is 0.08% -0.15%, and the weight percentage of the ethanol is 1% -2%.
Optionally, the content of the rice bran fatty alkanol is 0.03% by weight.
Optionally, the content of tween 80 is 0.15% and the content of ethanol is 1.5% by weight percentage.
Optionally, the ethanol is edible ethanol.
The invention also discloses a rice bran fatty alkanol aqueous phase solution which is prepared by the preparation method and is characterized by comprising the following components in percentage by weight:
according to the preparation method of the water phase solution of the rice bran fatty alkanol, Tween 80 is used as an emulsifier, the rice bran fatty alkanol is dissolved in the water phase solvent, the water phase solution of the rice bran fatty alkanol is in a clear, transparent and stable state, the rice bran fatty alkanol can be applied to various products using the water phase solvent as a basic solvent, and the application range of the rice bran fatty alkanol can be greatly improved. Wherein, ethanol is a cosolvent, which increases the solubility of the rice bran fatty alkanol in the aqueous phase solvent. The Tween 80 has small taste, and can make the water phase solution of rice bran fatty alkanol be in a clear, transparent and stable state, and has small smell. The ethanol is edible ethanol.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a flow chart showing a method for preparing an aqueous solution of fatty alkanol from rice bran according to an embodiment of the present invention.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present invention may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
The invention is described in detail below with reference to the figures and alternative embodiments.
Example 1
As shown in fig. 1, as an embodiment of the present invention, a method for preparing an aqueous solution of rice bran fatty alkanol is disclosed, which comprises:
step 1: weighing the rice bran fatty alkanol and the tween 80, mixing and heating to obtain a primary mixed base material;
step 2: and adding a water phase solvent and ethanol into the primarily mixed base material, and uniformly mixing to obtain a rice bran fatty alkanol aqueous phase solution.
Wherein, in the step 1, the heating is carried out to melt the rice bran fatty alkanol, and the rice bran fatty alkanol and the Tween 80 are mixed together, wherein the Tween 80 is used as an emulsifier. And 2, adding an aqueous phase solvent and ethanol to prepare the rice bran fatty alkanol aqueous phase solution. The aqueous solvent may be pure water or an aqueous solution containing water as a main component and other minor ingredients.
According to the preparation method of the water phase solution of the rice bran fatty alkanol, Tween 80 is used as an emulsifier, the rice bran fatty alkanol is dissolved in the water phase solvent, the water phase solution of the rice bran fatty alkanol is in a clear, transparent and stable state, the rice bran fatty alkanol can be applied to various products using the water phase solvent as a basic solvent, and the application range of the rice bran fatty alkanol can be greatly improved. Wherein, ethanol is a cosolvent, which increases the solubility of the rice bran fatty alkanol in the aqueous phase solvent. The Tween 80 has small taste, and can make the water phase solution of rice bran fatty alkanol be in a clear, transparent and stable state, and has small smell. The ethanol is edible ethanol. The aqueous solution of rice bran fatty alkanol of the present invention includes various liquid preparations such as various beverages, oral liquids, etc. using the aqueous phase solvent as a base solvent.
It should be noted that, in the method for preparing the aqueous solution of rice bran fatty alkanol according to the present invention, the aqueous solvent is the rice bran fatty alkanol, tween 80 is specifically selected as an emulsifier, and ethanol is used as a cosolvent, so that the rice bran fatty alkanol can be well dissolved in the aqueous solvent, and the aqueous solution is clear, transparent and stable, and can be applied to various products using the aqueous solvent as a basic solvent. However, when other emulsifiers such as lecithin and glycerin are used, the aqueous phase solution of the rice bran fatty alkanol is milky turbid, the solubility of the aqueous phase solvent is poor, the rice bran fatty alkanol cannot be well dissolved in the aqueous phase solvent, and the rice bran fatty alkanol is still difficult to be applied to various products using the aqueous phase solvent as a basic solvent.
The step 1 specifically comprises the following steps: heating to melt the fatty alkanol of the rice bran, wherein the heating temperature is more than 83 ℃; stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 1-2 min. In the scheme, the heating at the temperature of more than 85 ℃ can change the rice bran fatty alkanol from powder into liquid, and the liquid tween 80 is completely mixed. The stirring time is 1-2 min, so that the two raw materials can be completely mixed, and a clear, transparent and stable rice bran fatty alkanol aqueous phase solution can be better prepared. More specifically, the stirring time may be 1min, 1.5min, 2 min. Preferably, the heating temperature of the rice bran fatty alkanol is 85 ℃ or higher. The melting point of the rice bran fatty alkanol is 83 ℃, the rice bran fatty alkanol is not easy to coagulate by heating at 85 ℃, the heating temperature is 83 ℃, the rice bran fatty alkanol can absorb heat or cool quickly due to the device, the actual heating temperature is lower than 83 ℃, and the rice bran fatty alkanol has the possibility of coagulation.
In step 1, specifically, after the rice bran fatty alkanol is completely melted, stirring and blending are performed to prevent the rice bran fatty alkanol which is not completely melted from adhering to the inner wall of the container. More specifically, in the stirring process, stirring is carried out by adopting a small stirring force, so that the phenomenon of cooling and solidification caused by stirring above the inner wall of the container is avoided, and the subsequent preparation of the rice bran fatty alkanol aqueous phase solution is influenced.
The step 2 specifically comprises the following steps: and adding the water phase solvent with the temperature of more than 83 ℃ into the initially mixed base material, and keeping the temperature, stirring and uniformly mixing for 5-15 min. In the scheme, a water phase solvent with the temperature of more than 83 ℃ is added, so that the temperature of the whole solution is kept not to be reduced, the temperature is prevented from being lower than 83 ℃, and the rice bran fatty alkanol is condensed into solid again. Preferably, a water phase solvent with the temperature of more than 85 ℃ is added into the initial mixed base material, so that the temperature is further ensured to be high enough to prevent the rice bran fatty alkanol from being coagulated again. Stirring for 5-15 min can ensure that the rice bran fatty alkanol is dissolved more fully and is dispersed completely in the water phase solvent, and the finished rice bran fatty alkanol water phase solution is more stable. More specifically, the stirring time may be 5min, 8min, 11min, 14min, 15 min.
Further, the step 2 specifically includes: and cooling the primarily mixed base material to below 78 ℃, adding ethanol into the primarily mixed base material, and stirring and uniformly mixing for 2-3 min to obtain the rice bran fatty alkanol aqueous phase solution. Ethanol is a cosolvent, the boiling point is about 78 ℃, and if the ethanol is added before the water phase solvent with the temperature of more than 83 ℃, the ethanol can boil and volatilize, thereby influencing the effect of the water phase solution of the fatty alkanol of the rice bran. Therefore, in the scheme, after the primary mixed base material is cooled to be below 78 ℃, ethanol is added into the primary mixed base material, and the prepared rice bran fatty alkanol aqueous phase solution is clearer, more transparent and more stable. And adding ethanol, and stirring and mixing for 2-3 min to fully disperse the ethanol. More specifically, the stirring time may be 2min, 2.5min, 3 min.
On the other hand, the proportion of the rice bran fatty alkanol is 0.01-1 wt%, the proportion of the tween 80 is 0.03-2 wt%, the proportion of the ethanol is 0-3 wt%, and the balance is an aqueous phase solvent. Under the proportion of the rice bran fatty alkanol, the Tween 80 and the ethanol, the prepared rice bran fatty alkanol aqueous phase solution has small smell, and meanwhile, the aqueous phase solution is clear, transparent and stable.
Wherein the proportion of the rice bran fatty alkanol is 0.01%, 0.02%, 0.03%, 0.04%, 0.05%, 0.08%, 0.1%, 0.2%, 0.5%, 0.8%, 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%. The tween 80 may be 0.03%, 0.08%, 0.13%, 0.18%, 0.2%, 0.5%, 0.8%, 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%. The proportion of the ethanol can be 0%, 0.5%, 1%, 1.5%, 2%, 2.5% and 3%.
Further, the weight percentage of the tween 80 is 0.08-0.15%, and the weight percentage of the ethanol is 1-2%. Further, the content of the rice bran fatty alkanol is 0.03 percent by weight. Further, the content of the tween 80 is 0.15% and the content of the ethanol is 1.5% in percentage by weight.
Example 2
A method for preparing a water-phase solution of rice bran fatty alkanol comprises the following steps:
step 1: weighing and heating rice bran fatty alkanol and tween 80 to melt the rice bran fatty alkanol, wherein the heating temperature is 85 ℃; stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 1min to obtain a primary mixed base material;
step 2: adding a water phase solvent with the water phase solvent temperature of 85 ℃ into the primarily mixed base material, and keeping the temperature, stirring and uniformly mixing for 5 min; and cooling the primarily mixed base material to 78 ℃, adding ethanol into the primarily mixed base material, and stirring and uniformly mixing for 2min to obtain the rice bran fatty alkanol aqueous phase solution.
Example 3
A method for preparing a water-phase solution of rice bran fatty alkanol comprises the following steps:
step 1: weighing and heating rice bran fatty alkanol and Tween 80 to melt the rice bran fatty alkanol, wherein the heating temperature is 87 ℃; stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 1.5min to obtain a primary mixed base material;
step 2: adding a water phase solvent with the water phase solvent temperature of 87 ℃ into the primary mixed base material, and keeping the temperature, stirring and uniformly mixing for 8 min; and cooling the primarily mixed base material to 75 ℃, adding ethanol into the primarily mixed base material, and uniformly stirring for 2.5min to obtain the rice bran fatty alkanol aqueous phase solution.
Example 4
A method for preparing a water-phase solution of rice bran fatty alkanol comprises the following steps:
step 1: weighing and heating rice bran fatty alkanol and tween 80 to melt the rice bran fatty alkanol, wherein the heating temperature is 90 ℃; stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 2min to obtain a primary mixed base material;
step 2: adding a water phase solvent with a water phase solvent temperature of 90 ℃ into the primarily mixed base material, and keeping the temperature, stirring and uniformly mixing for 15 min; and (3) cooling the primarily mixed base material to 74 ℃, adding ethanol into the primarily mixed base material, and uniformly stirring for 3min to obtain the rice bran fatty alkanol aqueous phase solution.
Comparative example 1
In this comparative example, an aqueous solution of a rice bran fatty alkanol was prepared under the same conditions as in example 1 except that the emulsifier was replaced with glycerin of equal mass without using tween 80.
Comparative example 2
This comparative example was carried out under the same conditions as in example 1 except that the emulsifier was replaced with lecithin of equal mass without using tween 80, and an aqueous solution of a fatty alkanol of rice bran was prepared.
Comparative example 3
In this comparative example, an aqueous solution of a rice bran fatty alkanol was prepared under the same conditions as in example 1 except that tween 60 was used instead of tween 80 as an emulsifier and the same mass was used.
Comparative example 4
In this comparative example, an aqueous solution of a rice bran fatty alkanol was prepared under the same conditions as in example 1 except that tween 80 was not used as an emulsifier but replaced with tween 85 of an equal mass.
The respective states of the aqueous phase solutions of fatty alkanol of rice bran prepared by the preparation methods of example 1 and comparative examples 1 to 4 are as follows:
| water phase solution of rice bran fatty alkanol | |
| Example 1 | Clear, transparent, without floating, suspending or precipitating, and has little smell |
| Comparative example 1 | Milky white turbidity, fine suspended matter, and low smell |
| Comparative example 2 | Milky yellow turbidity, presence of precipitate, off-flavor |
| Comparative example 3 | Light milky turbidity with off-flavor |
| Comparative example 4 | Light milky turbidity with off-flavor |
Example 5
The aqueous solution of the rice bran fatty alkanol is prepared by the preparation method, and comprises 0.01-1 wt% of rice bran fatty alkanol, 0-3 wt% of tween 800.03-2 wt%, and the balance of an aqueous solvent.
Wherein the proportion of the rice bran fatty alkanol is 0.01%, 0.02%, 0.03%, 0.04%, 0.05%, 0.08%, 0.1%, 0.2%, 0.5%, 0.8%, 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%. The tween 80 may be 0.03%, 0.08%, 0.13%, 0.18%, 0.2%, 0.5%, 0.8%, 1%, 1.2%, 1.4%, 1.6%, 1.8%, 2%. The proportion of the ethanol can be 0%, 0.5%, 1%, 1.5%, 2%, 2.5% and 3%.
According to the rice bran fatty alkanol aqueous phase solution, Tween 80 is used as an emulsifier, so that the transparent aqueous phase solvent soluble rice bran fatty alkanol aqueous phase solution in a stable state can be obtained, wherein ethanol is used as a cosolvent, and the solubility of the rice bran fatty alkanol in the aqueous phase solvent is increased. It is important to note that the aqueous solvent-soluble rice bran fatty alkanol of the present invention is a rice bran fatty alkanol as an object of aqueous solvent dissolution, and the rice bran fatty alkanol can be well dissolved in the aqueous solvent by combining the rice bran fatty alkanol with tween 80 as an emulsifier and ethanol as a cosolvent, and the aqueous solution is transparent and stable. While the aqueous phase solution of the rice bran fatty alkanol is milky turbid with poor aqueous phase solvent solubility due to the use of other emulsifiers such as lecithin, glycerin, etc.
Further, the weight percentage of the tween 80 is 0.08-0.15%, and the weight percentage of the ethanol is 1-2%. Further, the content of the rice bran fatty alkanol is 0.03 percent by weight. Further, the content of the tween 80 is 0.15% and the content of the ethanol is 1.5% in percentage by weight.
It should be noted that, the limitations of the steps involved in the present disclosure are not considered to limit the order of the steps without affecting the implementation of the specific embodiments, and the steps written in the foregoing may be executed first, or executed later, or even executed simultaneously, and as long as the present disclosure can be implemented, all should be considered to belong to the protection scope of the present disclosure.
The foregoing is a more detailed description of the invention in connection with specific alternative embodiments, and the practice of the invention should not be construed as limited to those descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A preparation method of a rice bran fatty alkanol aqueous phase solution is characterized by comprising the following steps:
step 1: weighing the rice bran fatty alkanol and the tween 80, mixing and heating to obtain a primary mixed base material;
step 2: and adding a water phase solvent and ethanol into the primarily mixed base material, and uniformly mixing to obtain a rice bran fatty alkanol aqueous phase solution.
2. The preparation method according to claim 1, wherein the step 1 is specifically:
heating to melt the fatty alkanol of the rice bran, wherein the heating temperature is more than 83 ℃;
stirring and uniformly mixing the rice bran fatty alkanol and the Tween 80 for 1-2 min.
3. The preparation method according to claim 1, wherein the step 2 is specifically:
and adding the water phase solvent with the temperature of more than 83 ℃ into the initially mixed base material, and keeping the temperature, stirring and uniformly mixing for 5-15 min.
4. The preparation method according to claim 3, wherein the step 2 is specifically:
and cooling the primarily mixed base material to below 78 ℃, adding ethanol into the primarily mixed base material, and stirring and uniformly mixing for 2-3 min to obtain the rice bran fatty alkanol aqueous phase solution.
5. The method according to any one of claims 1 to 4, wherein the proportion of the fatty alkanol in the rice bran is 0.01 to 1 wt%, the proportion of the Tween 80 is 0.03 to 2 wt%, the proportion of the ethanol is 0 to 3 wt%, and the balance is an aqueous solvent.
6. The method according to claim 4, wherein the tween 80 is 0.08 to 0.15 wt% and the ethanol is 1 to 2 wt%.
7. The method according to claim 6, wherein the rice bran fatty alkanol is contained in an amount of 0.03 wt%.
8. The method according to claim 7, wherein the tween 80 is contained in an amount of 0.15% and the ethanol is contained in an amount of 1.5% by weight.
9. The method according to any one of claims 1 to 4, wherein the ethanol is edible ethanol.
10. An aqueous solution of fatty alkanol of rice bran, prepared by the method of any one of claims 1 to 9, comprising the following components in weight percent:
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| CN105919928A (en) * | 2016-04-25 | 2016-09-07 | 中国林业科学研究院资源昆虫研究所 | Method for preparing advanced alkanol aqueous solution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105919928A (en) * | 2016-04-25 | 2016-09-07 | 中国林业科学研究院资源昆虫研究所 | Method for preparing advanced alkanol aqueous solution |
Non-Patent Citations (1)
| Title |
|---|
| 余诚玮等: "米糠及其脂肪酶的研究进展", 《食品安全质量检测学报》 * |
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