CN110651839A - Preparation method of grape seed nutritional oil - Google Patents
Preparation method of grape seed nutritional oil Download PDFInfo
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- CN110651839A CN110651839A CN201911049486.7A CN201911049486A CN110651839A CN 110651839 A CN110651839 A CN 110651839A CN 201911049486 A CN201911049486 A CN 201911049486A CN 110651839 A CN110651839 A CN 110651839A
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- oil
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/007—Other edible oils or fats, e.g. shortenings, cooking oils characterised by ingredients other than fatty acid triglycerides
-
- 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
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
-
- 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
- C11B1/10—Production of fats or fatty oils from raw materials by extracting
- C11B1/108—Production of fats or fatty oils from raw materials by extracting after-treatment, e.g. of miscellae
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
The application discloses a preparation method of grape seed nutritional oil, comprising the steps of firstly cleaning and drying the obtained grape seeds, crushing the grape seeds by a crusher, and sieving the crushed grape seeds by a 60-mesh sieve to obtain crushed particles; adding peanut vegetable oil into the pulverized particles, heating to 85 deg.C for 30min, leaching for 2 times, mixing filtrates, centrifuging at 3500r/min for 20min, and collecting supernatant; and finally adding hydrogen peroxide into the supernatant, heating to 100 ℃ while stirring for 10min, raising the temperature to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil. According to the method, the grape seeds are ground and then screened by a 60-mesh sieve, so that the oil yield can be improved, the peanut vegetable oil is added into the ground particles according to the proportion, namely the grape seed nutrient oil is extracted by utilizing the peanut vegetable oil, the cost is low, then the supernatant is obtained by heating, extracting and centrifuging, finally, the hydrogen peroxide is added for decoloring and refining to obtain the grape seed nutrient oil, and the user experience can be improved.
Description
Technical Field
The application relates to the field of nutritional oil manufacturing and application, in particular to a preparation method of grape seed nutritional oil.
Background
The grape seeds of the grapes contain about 10% -15% of grease, wherein the content of unsaturated fatty acid is up to 90%, and the content of linoleic acid is up to more than 75%, so that the grape seeds have good effects of resisting thrombosis and dredging blood vessels. Meanwhile, the grape seeds also contain various mineral elements and vitamins, wherein the content of vitamin E is higher, the grape seeds have the effects of resisting aging and enhancing immunity, have good nutritional value and health care effect, and are suitable for long-term administration.
However, at present, a large amount of grape seeds are regarded as waste in the wine brewing process, and are treated in a waste mode, so that not only is the resource waste caused, but also certain environmental pollution is caused. In recent years, people gradually realize the commercial value of grape seeds, and some grape oil products appear in the market, but the experience of users is poor due to low oil yield, high cost and the like.
Therefore, the problem of how to improve the oil yield, reduce the cost and further improve the user experience is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The application provides a preparation method of grape seed nutritional oil, and solves the problems that in the prior art, the oil yield is improved, the cost is reduced, and the user experience is improved.
In order to solve the technical problem, the application provides a preparation method of grape seed nutritional oil, which comprises the following steps:
cleaning and drying the obtained grape seeds, crushing the grape seeds by using a crusher, and sieving the crushed grape seeds by using a 60-mesh sieve to obtain crushed particles;
adding peanut vegetable oil into the crushed particles, wherein the ratio of the crushed particles to the peanut vegetable oil is 1:5, heating to 85 ℃ for 30min, leaching for 2 times, mixing the filtrates, centrifuging at 3500r/min for 20min, and taking the supernatant;
adding hydrogen peroxide with the volume of 0.5-1% and the concentration of 30% into the supernatant, heating to 100 ℃ while stirring for 10min, raising the temperature to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil.
Preferably, after the grape seed nutritional oil is obtained, the method further comprises the following steps:
heating the grape seed nutritional oil to 65 ℃, slowly adding 4% volume of aqueous solution, keeping constant temperature, stirring for 20min, reducing stirring speed to promote colloid flocculation, centrifuging the hydrated oil at 4000r/min for 20min when colloid impurities and the grape seed nutritional oil are in a separation state, taking the upper layer of the hydrated oil, heating to 100 ℃, dehydrating for 10min, heating to 125 ℃, dehydrating for 10min, and cooling.
Preferably, after the grape seed nutritional oil is obtained, the method further comprises the following steps:
heating the grape seed nutritional oil to 30-35 ℃, slowly adding a 12 volume percent NaOH solution with the concentration of 10 percent, stirring for 30min, when soap grains appear in the grape seed nutritional oil and are aggregated to form floccules, heating to 65 ℃, stirring for 15min until the oil soap is obviously separated, then centrifuging at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling.
Preferably, after the grape seed nutritional oil is obtained, the method further comprises the following steps:
heating the grape seed nutritional oil to 65 ℃, slowly adding a 4% volume aqueous solution, keeping a constant temperature, stirring for 20min, reducing the stirring speed to promote colloid flocculation, centrifuging the hydrated oil at 4000r/min for 20min when the colloid impurity and the grape seed nutritional oil are in a separation state, taking the upper layer of the hydrated oil, heating to 100 ℃, dehydrating for 10min, heating to 125 ℃, dehydrating for 10min, and cooling;
heating the grape seed nutritional oil to 30-35 ℃, slowly adding a 12 volume percent NaOH solution with the concentration of 10 percent, stirring for 30min, when soap grains appear in the grape seed nutritional oil and are aggregated to form floccules, heating to 65 ℃, stirring for 15min until the oil soap is obviously separated, then centrifuging at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling.
Compared with the prior art, the preparation method of the grape seed nutritional oil provided by the application comprises the steps of firstly cleaning and drying the obtained grape seeds, crushing the grape seeds by adopting a crusher, and sieving the crushed grape seeds by using a 60-mesh sieve to obtain crushed particles; adding peanut vegetable oil into the crushed particles, wherein the ratio of the crushed particles to the peanut vegetable oil is 1:5, heating to 85 ℃ and continuing for 30min, leaching for 2 times, mixing the filtrates, centrifuging at 3500r/min for 20min, and taking the supernatant; and finally, adding 0.5-1% of hydrogen peroxide with the volume and the concentration of 30% into the supernatant, heating to 100 ℃ while stirring, keeping for 10min, raising the temperature to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil. Therefore, by utilizing the preparation method, firstly, the obtained grape seeds are crushed by a crusher and then screened by a 60-mesh sieve, the oil yield is improved, then the peanut vegetable oil is added into the crushed particles according to the proportion, namely, the grape seed nutrient oil is extracted by utilizing the peanut vegetable oil, the cost is lower, then the supernatant is obtained by heating, extracting and centrifuging, and finally, the hydrogen peroxide is added for decoloration and refining to obtain the grape seed nutrient oil.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a flow chart of a preparation method of grape seed nutritional oil according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of the application is to provide a preparation method of grape seed nutritional oil, which can solve the problems of how to improve the oil yield, reduce the cost and further improve the user experience in the prior art.
Fig. 1 is a flow chart of a method for preparing grape seed nutritional oil according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
s101: and cleaning and drying the obtained grape seeds, crushing the grape seeds by using a crusher, and sieving the crushed grape seeds by using a 60-mesh sieve to obtain crushed particles.
S102: adding peanut vegetable oil into the pulverized particles at a ratio of 1:5, heating to 85 deg.C for 30min, leaching for 2 times, mixing filtrates, centrifuging at 3500r/min for 20min, and collecting supernatant.
S103: adding hydrogen peroxide with the volume of 0.5-1% and the concentration of 30% into the supernatant, heating to 100 ℃ while stirring for 10min, then heating to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil.
Specifically, when the amount of the supernatant is a, 0.5% a-1% a of hydrogen peroxide with the concentration of 30% is added. The grape seed nutritional oil obtained at this time is actually grape seed crude oil, but the use is not influenced. This step is actually a decoloration refining process. However, in order to ensure the acceptance of the grape seed nutritional oil by the user and enhance the user experience during the actual preparation, on the basis of the above embodiment, as a preferred implementation manner, after the grape seed nutritional oil is obtained, that is, after step S103, the method further includes:
heating grape seed nutritional oil to 65 deg.C, slowly adding 4% water solution, stirring at constant temperature for 20min, reducing stirring speed to flocculate colloid, centrifuging the hydrated oil at 4000r/min for 20min when colloid impurity and grape seed nutritional oil are separated, collecting upper layer hydrated oil, heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling. This step is the hydration degumming process.
Of course, on the basis of the above-mentioned example, as a preferred embodiment, after obtaining the grape seed nutritional oil, i.e. after step S103, the method further includes:
heating grape seed nutritional oil to 30-35 deg.C, slowly adding 12 vol% and 10% NaOH solution, stirring for 30min, rapidly stirring for 30min, heating to 65 deg.C when soap grains appear in grape seed nutritional oil and aggregate to form floccule, rapidly heating to 65 deg.C, stirring for 15min until oil soap is separated obviously, centrifuging at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling. This step is actually a process of deacidification by alkali refining.
Specifically, after step S103, only the hydration degumming process or only the alkali refining deacidification process may be performed, and the two processes do not conflict with each other.
In order to further enhance the user experience, on the basis of the above embodiment, as a preferred implementation, after the obtaining of the grape seed nutritional oil, that is, after step S103, the method further includes:
hydration degumming: heating grape seed nutritional oil to 65 deg.C, slowly adding 4% water solution, stirring at constant temperature for 20min, reducing stirring speed to flocculate colloid, centrifuging the hydrated oil at 4000r/min for 20min when colloid impurity and grape seed nutritional oil are separated, collecting upper layer hydrated oil, heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling;
alkali refining and deacidifying: heating grape seed nutritional oil to 30-35 deg.C, slowly adding 12 vol% NaOH solution with concentration of 10%, stirring for 30min, heating to 65 deg.C when soap grains appear in grape seed nutritional oil and aggregate to form floccule, stirring for 15min until oil soap is separated obviously at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling.
Specifically, after step S103, the process of hydration degumming and alkali refining deacidification may be included at the same time, and in practical application, there is no sequence between the two steps of hydration degumming and alkali refining deacidification.
The preparation method of the grape seed nutritional oil provided by the embodiment of the application has the advantages of simple preparation process and short production period, and the obtained nutritional oil is yellowish in color, transparent in oil body, fragrant in grape seeds, good in nutrition and health care effects and capable of being used for a long time.
According to the preparation method of the grape seed nutritional oil, firstly, the obtained grape seeds are cleaned and dried, and are crushed by a crusher and then pass through a 60-mesh sieve to obtain crushed particles; adding peanut vegetable oil into the crushed particles, wherein the ratio of the crushed particles to the peanut vegetable oil is 1:5, heating to 85 ℃ and continuing for 30min, leaching for 2 times, mixing the filtrates, centrifuging at 3500r/min for 20min, and taking the supernatant; and finally, adding 0.5-1% of hydrogen peroxide with the volume and the concentration of 30% into the supernatant, heating to 100 ℃ while stirring, keeping for 10min, raising the temperature to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil. Therefore, by utilizing the preparation method, firstly, the obtained grape seeds are crushed by a crusher and then screened by a 60-mesh sieve, the oil yield is improved, then the peanut vegetable oil is added into the crushed particles according to the proportion, namely, the grape seed nutrient oil is extracted by utilizing the peanut vegetable oil, the cost is lower, then the supernatant is obtained by heating, extracting and centrifuging, and finally, the hydrogen peroxide is added for decoloration and refining to obtain the grape seed nutrient oil.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (4)
1. A preparation method of grape seed nutritional oil is characterized by comprising the following steps:
cleaning and drying the obtained grape seeds, crushing the grape seeds by using a crusher, and sieving the crushed grape seeds by using a 60-mesh sieve to obtain crushed particles;
adding peanut vegetable oil to the crushed particles, wherein the ratio of the crushed particles to the peanut vegetable oil is 1:5, heating to 85 ℃ for 30min, leaching for 2 times, mixing the filtrates, centrifuging at 3500r/min for 20min, and taking the supernatant;
adding hydrogen peroxide with the volume of 0.5-1% and the concentration of 30% into the supernatant, heating to 100 ℃ while stirring for 10min, raising the temperature to 125 ℃, stirring for 10min, and cooling to obtain the grape seed nutritional oil.
2. The method of claim 1, further comprising, after obtaining the grape seed nutritional oil:
heating the grape seed nutritional oil to 65 ℃, slowly adding 4% volume of aqueous solution, keeping constant temperature, stirring for 20min, reducing stirring speed to promote colloid flocculation, centrifuging the hydrated oil at 4000r/min for 20min when colloid impurities and the grape seed nutritional oil are in a separation state, taking the upper layer of the hydrated oil, heating to 100 ℃, dehydrating for 10min, heating to 125 ℃, dehydrating for 10min, and cooling.
3. The method of claim 1, further comprising, after obtaining the grape seed nutritional oil:
heating the grape seed nutritional oil to 30-35 ℃, slowly adding a 12 volume percent NaOH solution with the concentration of 10 percent, stirring for 30min, when soap grains appear in the grape seed nutritional oil and are aggregated to form floccules, heating to 65 ℃, stirring for 15min until the oil soap is obviously separated, then centrifuging at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling.
4. The method of claim 1, further comprising, after obtaining the grape seed nutritional oil:
heating the grape seed nutritional oil to 65 ℃, slowly adding a 4% volume aqueous solution, keeping a constant temperature, stirring for 20min, reducing the stirring speed to promote colloid flocculation, centrifuging the hydrated oil at 4000r/min for 20min when the colloid impurity and the grape seed nutritional oil are in a separation state, taking the upper layer of the hydrated oil, heating to 100 ℃, dehydrating for 10min, heating to 125 ℃, dehydrating for 10min, and cooling;
heating the grape seed nutritional oil to 30-35 ℃, slowly adding a 12 volume percent NaOH solution with the concentration of 10 percent, stirring for 30min, when soap grains appear in the grape seed nutritional oil and are aggregated to form floccules, heating to 65 ℃, stirring for 15min until the oil soap is obviously separated, then centrifuging at 3500r/min, and centrifuging for 20 min;
taking out the upper alkali refined oil, stirring and heating to 85 ℃, adding 10-15% of water by volume, and washing for multiple times until the pH value of the washing liquid is neutral;
heating to 100 deg.C, dehydrating for 10min, heating to 125 deg.C, dehydrating for 10min, and cooling.
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| CN201911049486.7A CN110651839A (en) | 2019-10-31 | 2019-10-31 | Preparation method of grape seed nutritional oil |
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| CN201911049486.7A CN110651839A (en) | 2019-10-31 | 2019-10-31 | Preparation method of grape seed nutritional oil |
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