Shua tomato edible oil as well as preparation device and process thereof

Abstract

The invention belongs to the technical field of tomato processing, and particularly relates to double-tomato edible oil which comprises linoleic acid, alpha-linolenic acid and lycopene, the content of the alpha-linolenic acid in the double-tomato edible oil is larger than or equal to 10%, and the total content of the linoleic acid and the alpha-linolenic acid is larger than or equal to 70%; the alpha-linolenic acid is provided by perilla oil or linseed oil, and the linoleic acid is provided by safflower seed oil; the invention aims to prevent and control dyslipidemia and angiosclerosis induced by dyslipidemia through edible oil, and through linoleic acid, alpha-linolenic acid and tomato antioxidant components taking lycopene as a main component, cardiovascular and cerebrovascular diseases and physiological variation of glands, especially male prostate, are prevented, and the speed of aging is relieved; the invention further provides a preparation device and a preparation process of the Shua tomato edible oil, and the Shua tomato edible oil is prepared through the heating pot with the stirring mechanism, the plate type conveyor and the cover body into which steam can be introduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tomato processing, in particular to a double-subspecies tomato edible oil and a preparation device and process thereof. BACKGROUND

[0002] Tomato oil is refined by pressing or solvent extraction process, which contains natural lycopene, helps to protect cells from free radical damage, and is beneficial to cardiovascular health and skin care.

[0003] The specific preparation process of tomato oil generally includes peeling and removing the stem, heating the peeled tomatoes in water at high temperature, adding edible oil for extraction after dehydration, and separating the solid residue and tomato oil after standing. Since the tomato skin contains a large amount of lycopene, the tomato skin can also be used for extraction after being separated from the stem.

[0004] The existing patent (CN215455242U) is a tomato peeling and blanching device for tomato sauce processing, which includes a box body and a steam machine. The box body is fixedly installed with a rinsing box on one side, and the steam machine is fixedly installed on the upper end face of the box body. A plurality of steam pipes are arranged on both sides of the steam machine, and the steam pipes extend into the interior of the box body. A connecting pipe is arranged between the steam pipes on both sides, and a plurality of air nozzles are arranged at the bottom of the connecting pipe. In the above scheme, the steam machine uses the liquid in the rinsing box to generate steam for spraying, which can remove the tomato skin and save water resources.

[0005] However, the above scheme still has the following deficiencies: 1. Only the steam nozzles are used for peeling, which can crack the tomato skin, but the tomato skin is still easy to stick to the flesh, and a large number of steam nozzles need to be aimed at each face of the tomato to ensure complete peeling; 2. The tomato has a stem, which needs to be removed manually or by other means. SUMMARY

[0006] In order to overcome the deficiencies of the prior art, the purpose of the present application is to provide a preparation device for double-subspecies tomato edible oil, which realizes the separation of the stem, tomato skin and flesh by cooperating the second cutter body, scraper and first cutter body after steam peeling, and has better peeling effect.

[0007] The technical scheme adopted by the present application is as follows: A preparation device for double-subspecies tomato edible oil, comprising a heating pot with a stirring mechanism, a cover body through which steam can be introduced, a plate-type conveyor, a plurality of first cutter bodies horizontally spaced apart on the cutting area, and a plurality of collection plates spaced apart on the peeling area, wherein the cover body can cover the adjacent cutting area and peeling area. The cover body is provided with a lifting mechanism, a plurality of second cutter bodies are vertically arranged at the moving end of the lifting mechanism, and the second cutter bodies are circumferentially provided with elastically bendable scrapers, and the cover body is provided with a scraping block above each scraper; The tomato stem is placed downward on the plate conveyor, steam is introduced into the cover body to make the tomato skin crack, the second cutter body is inserted into the tomato by the lifting mechanism, and the tomato skin is scraped off by the scraper, the plate conveyor continues to convey, the first cutter body cuts off the stem, after the scraper is lifted by the lifting mechanism, the scraper separates the tomato skin from the pulp and collects, after the scraper is lifted again by the lifting mechanism, the scraper contacts the scraping block to make the tomato skin on the scraper fall off; Further comprising a separation mechanism arranged between the plate conveyor and the heating pot, the separation mechanism can separate the stem, the pulp and the tomato skin on the plate conveyor.

[0008] Working principle: the tomato stem is placed downward on the cutting-off area, the tomato on the cutting-off area is conveyed into the cover body by the plate conveyor, after steam is introduced, the tomato skin cracks, and then the tomato is conveyed below the second cutter body, so that the second cutter body, the first cutter body and the tomato correspond one by one, the plurality of second cutter bodies are lowered and inserted into the tomato by the lifting mechanism, so that the tomato and the second cutter body temporarily form an integral whole, at the same time, the scraper contacts and wipes the tomato skin, and the tomato skin is pushed downward (by increasing the roughness of the scraper or setting it into a tooth shape, the adhesion of the tomato skin to the scraper can be ensured as much as possible), the plate conveyor continues to convey one chain plate position (the plate conveyor includes a plurality of hinged chain plates), since the tomato is fixed by the second cutter body, the first cutter body cuts off the stem (since the steam peeling, the pulp part of the tomato still has a certain strength and will not easily scatter), after cutting, the plurality of second cutter bodies and the scraper are lifted by the lifting mechanism, the second cutter body is separated from the pulp, and the scraper lifts the tomato skin by a distance, the plate conveyor conveys, so that the pulp and the stem are conveyed to the separation mechanism, so that the pulp enters the heating pot, at this time, the collection plate corresponds to the second cutter body one by one, the second cutter body and the scraper are lifted by the lifting mechanism, the scraper contacts the scraping block, so that the tomato skin on the scraper falls off on the collection plate (at this time, the tomato of the next cutting-off area is conveyed into the cover body, and the next steam peeling can be performed).

[0009] Compared with the prior art, the beneficial effects of the present application are that: 1. By cooperation of the second cutter body, the scraper and the first cutter body, after steam peeling, cutting and scraping are performed, the stem, the tomato skin and the pulp are separated, and the peeling effect is better; 2. The second cutter body not only plays a fixing role, but also cuts the pulp part, in combination with the stirring mechanism in the heating pot, the pulp can be scattered, and the contact area with hot water is increased during subsequent heating; 3. The heating pot can extract the pulp and peel in sequence (the lycopene content of the two is different, and the amount of oil required is different), which ensures the utilization rate of tomatoes.

[0010] In a preferred embodiment of the present invention, the separation device includes an inlet cover and a separation plate. The inlet cover connects the heating pot and the cover body. The separation plate is fixed inside the inlet cover. When the plate conveyor transports the fruit to the bend, the top surface of the corresponding first blade passes through the bottom surface of the separation plate, causing the pulp to fall down along the top of the separation plate.

[0011] Beneficial effects: By setting up an inlet cover, not only can the pulp be guided, but the steam generated in the heating pot can also be introduced into the cover to achieve steam peeling, saving the cost of steam generator equipment; after the stem is cut off by the first blade, its thickness is definitely less than the thickness between the first blade and the chain plate. Therefore, by setting up a separation plate, the stem and pulp can be separated.

[0012] In a preferred embodiment of the present invention, the second blade is cross-shaped.

[0013] Beneficial effects: Inserting the cross-shaped second blade into the tomato provides good support and creates a cross-shaped opening, which facilitates subsequent heating.

[0014] A type of double-leaf tomato edible oil, using the double-leaf tomato edible oil preparation device described above, includes linoleic acid, α-linolenic acid, and lycopene. The double-leaf tomato edible oil contains ≥10% α-linolenic acid and ≥70% total linoleic acid and α-linolenic acid.

[0015] Beneficial effects: Essential fatty acids (linoleic acid and alpha-linolenic acid) are essential fatty acids that the human body cannot synthesize and must obtain from food. Linoleic acid helps lower LDL cholesterol, thus benefiting cardiovascular health. Alpha-linolenic acid can be partially converted into EPA and DHA (the main components of fish oil) in the body, which can play a positive role in anti-inflammation, lowering blood lipids, and reducing thrombus formation. The two work together to reduce the risk of cardiovascular disease. Lycopene can act as an antioxidant, protecting the structure of essential fatty acids and their metabolites from damage while exerting its physiological effects.

[0016] In a preferred embodiment of the present invention, the α-linolenic acid is provided by perilla oil or linseed oil, wherein the α-linolenic acid content in the perilla oil or linseed oil is ≥53%.

[0017] Beneficial effects: Perilla oil and flaxseed oil have unique herbal flavors that, when combined with the taste of tomatoes, make them suitable for making specialty salad dressings and dips.

[0018] As a preferred embodiment of the present application, the linoleic acid is provided by safflower seed oil, and the content of linoleic acid in the safflower seed oil is ≥ 78%.

[0019] Beneficial effect: Safflower seed oil is rich in vitamin E, which can scavenge free radicals, delay aging and protect the skin. A preparation process of double sub-tomato edible oil adopts the double sub-tomato edible oil preparation device and comprises the following steps. S1: The double sub-tomato edible oil preparation device is used to peel and de-stem tomatoes; S2: The pulp or tomato skin is added to a heating pot, water is stirred and heated until dehydration; S3: Edible oil containing linoleic acid and alpha-linolenic acid is added to the heating pot for extraction, and after extraction, cooling and standing, solid-liquid separation is performed to obtain crude oil; S4: The crude oil is heated and clarified to obtain double sub-tomato edible oil.

[0020] Beneficial effect: The double sub-tomato edible oil prepared by the above method can prevent and control dyslipidemia and vascular sclerosis induced by dyslipidemia, prevent cardiovascular and cerebrovascular diseases and physiological changes of glands, especially the prostate of men, and slow down the speed of aging.

[0021] As a preferred embodiment of the present application, in steps S3 and S4, the heating temperature of the heating pot is between 120-130 degrees Celsius, and in step S3, the stirring time during extraction is 20-40 minutes. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the double sub-tomato edible oil preparation device embodiment one of the present application; Figure 2 is a schematic view of the internal structure of the cover body in the double sub-tomato edible oil preparation device embodiment one of the present application; Figure 3 is a structural schematic view of the second cutter body and the scraping piece when peeling in the double sub-tomato edible oil preparation device embodiment one of the present application; Figure 4 is a structural schematic view of the second cutter body and the scraping piece when contacting the scraping block in the double sub-tomato edible oil preparation device embodiment one of the present application; Figure 5 is a sectional view of the cleaning assembly in the double sub-tomato edible oil preparation device embodiment two of the present application.

[0023] The reference signs include: heating pot 1, stirring mechanism 11, plate conveyor 2, chain plate 21, first cutter body 22, collection plate 23, cover body 3, lifting mechanism 31, connecting plate 32, connecting column 33, second cutter body 34, scraping piece 35, scraping block 36, separation mechanism 4, guide cover 41, separation plate 42, piston cylinder 51, piston rod 52, trigger rod 53, flow distribution disc 54, second air hole 55, third air hole 56, fourth air hole 57, one-way valve 85, valve piece 59. DETAILED DESCRIPTION

[0024] The typical embodiments embodying the features and advantages of the present application will be described in the following description. It should be understood that the present application can have various changes in different embodiments, which do not deviate from the scope of the present application, and the description and drawings in the present application are essentially used as description, not as limitation of the present application.

[0025] In the description of the present application, the terms "first", "second" and the like are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the structures referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0026] Example one: The present embodiment discloses a kind of double sub-tomato edible oil, including linoleic acid, α-linolenic acid, lycopene, α-linolenic acid content in the double sub-tomato edible oil ≥10%, the total content of linoleic acid and α-linolenic acid ≥70%;The α-linolenic acid is provided by perilla oil, and in the perilla oil or linseed oil, α-linolenic acid content ≥53%;The linoleic acid is provided by safflower seed oil, and in the safflower seed oil, linoleic acid content ≥78%.

[0027] In other embodiments, the α-linolenic acid can also be provided by other edible oils with α-linolenic acid content ≥53%, and the linoleic acid can also be provided by other edible oils with linoleic acid content ≥78%.

[0028] The double sub-tomato edible oil belongs to table edible oil, and is intended to prevent and control dyslipidemia and vascular sclerosis induced by dyslipidemia through edible oil, prevent cardiovascular and cerebrovascular diseases and physiological variation of glands, especially prostate, and relieve the speed of aging through omega 3 / 6 fatty acids and tomato antioxidant components mainly lycopene.

[0029] Using the double sub-tomato edible oil in the present solution, 10 people are selected, numbered from 1 to 10, the triglyceride level of the personnel is ≥4mmo / L, the double sub-tomato edible oil is used to replace conventional edible oil, and after 30 days of consumption, the triglyceride level is decreased to ≤3mmo / L, and the data is as follows: Personnel number 1 2 3 4 5 6 7 8 9 10 Triglyceride level before eating (unit: mmol / L) 5.2 5.4 4.2 4.1 4.2 4.2 5.4 5.0 4.8 4.1 Triglyceride level after eating (unit: mmol / L) 2.9 3.1 2.4 2.1 2.0 2.8 2.8 2.6 2.6 2.0 In existing tomato cooking oils, the linoleic acid content is generally between 50% and 78%, and the α-linolenic acid content is generally between 0.25% and 2.33%. An experiment was conducted using a conventional tomato cooking oil, and the results are as follows: Personnel number 1 2 3 4 5 6 7 8 9 10 Triglyceride level before eating (unit: mmol / L) 5.0 4.8 4.8 5.1 4.2 4.9 4.2 4.3 4.8 4.9 Triglyceride level after eating (unit: mmol / L) 4.8 4.7 4.5 4.8 4.0 4.7 3.2 3.7 4.3 4.2 As can be seen from the above, the di-tomato oil in this invention can effectively reduce triglyceride levels.

[0030] This embodiment also provides a preparation process for double-sub-tomato edible oil, including the following steps: S1: Peel and remove the stems from the tomatoes using the aforementioned double-sub-tomato edible oil preparation device; S2: Add the pulp or tomato skin to heating pot 1, add water, stir, and heat to 125 degrees Celsius until dehydrated; S3: Add edible oil containing linoleic acid and α-linolenic acid to heating pot 1 for extraction (stirring for 35 minutes). After extraction, cool and let stand, and separate the solid and liquid to obtain crude oil. S4: Heat the crude oil to 125 degrees Celsius and clarify it to obtain double-tomato edible oil.

[0031] See Figure 1 As shown in the figure, this embodiment discloses a preparation device for double-sub-tomato edible oil, including a heating pot 1, a plate conveyor 2, a cover 3, and a separation mechanism 4.

[0032] Among them, see Figure 1 As shown, the heating pot 1 has a stirring mechanism 11, which includes a motor and a stirring rod. The motor is located above the heating pot 1 and can drive the stirring rod to rotate inside the heating pot 1. The heating pot 1 has an air inlet and an air outlet on its top. The bottom of the heating pot 1 has a slag discharge port, which is controlled to open and close by a valve. The side wall has outlet valves of different heights (or adjustable suction pipes) to transport or draw liquid through a pump.

[0033] Among them, see Figures 2 to 4As shown, the cover body 3 and the plate conveyor 2 are supported and fixed by the support frame, the plate conveyor 2 is provided with cutting-off areas and skin dropping areas alternately, the plate conveyor 2 comprises a plurality of hinged chain plates 21, the chain plates 21 are continuously moved by the driving rollers, so as to convey the tomatoes, two connecting blocks are welded on each chain plate 21 in the cutting-off area (the two connecting blocks can support the tomatoes to a certain extent, so that the tomatoes are not easy to roll during the conveying), a first cutter body 22 is transversely welded between the two connecting blocks (the first cutter body 22 has a gap with the chain plate 21, when the stem is cut off, the stem will fall into the gap), and a collecting plate 23 is welded on each chain plate 21 in the skin dropping area; the cover body 3 can cover the adjacent cutting-off area and skin dropping area, the cover body 3 is provided with a lifting mechanism 31, the lifting mechanism 31 adopts an electric push rod, the electric push rod is arranged above the cover body 3, a connecting plate 32 is fixedly connected to the moving end of the electric push rod, a plurality of connecting columns 33 are fixedly connected to the lower end of the connecting plate 32, the connecting columns 33 can pass through the cover body 3, a second cutter body 34 in cross shape is welded in the cover body 3, the second cutter body 34 is circumferentially provided with elastically bendable scraping blades 35, a scraping block 36 is arranged above each scraping blade 35 of the cover body 3, the scraping block 36 is provided with a scraping groove through which the scraping blade 35 can pass, after the scraping blade 35 contacts the scraping groove, the tomato skin on the scraping blade 35 will be forced to drop off.

[0034] Wherein, referring to Figure 2 As shown, the separating device comprises a guide cover 41 and a separating plate 42, the guide cover 41 is communicated with the gas outlet of the heating pot 1 and the cover body 3 respectively, the separating plate 42 is fixed in the guide cover 41, when the plate conveyor 2 is conveyed to the bending position, the corresponding first cutter body 22 and the top surface of the collecting plate 23 pass through the bottom surface of the separating plate 42 closely, so that the pulp falls along the top of the separating plate 42; Figure 2 Wherein, a is the position where the pulp and the tomato skin drop off, and is communicated with the gas outlet of the heating pot 1, Figure 2 Wherein, b is the position where the stem drops off, and drops off to the outside of the heating pot 1, a collecting frame can be arranged at b to collect.

[0035] The use method and working principle of the embodiment are as follows: The tomatoes are conveyed on the plate conveyor 2 with the stems downward, the tomatoes are placed only on the chain plates 21 with the first cutter bodies 22, the heating pot 1 heats the pure water, the generated steam enters the guide cover 41 through the gas outlet and is conveyed into the cover body 3, at this time, the plate conveyor 2 in the cover body 3, the collecting plate 23 of the skin dropping area is located below the corresponding first blade, the cutting-off area behind has the tomatoes, the steam makes the tomatoes crack; The plate conveyor 2 continues to transport the tomato, aligning it with the second blade 34. The lifting mechanism 31 lowers multiple second blades 34 and inserts them into the tomato, temporarily forming a single unit with the tomato. Simultaneously, the scraper 35 contacts and scrapes the tomato skin, pushing it downwards. The plate conveyor 2 continues to transport the tomato to the position of a chain plate 21 (the plate conveyor 2 includes multiple hinged chain plates 21). Since the tomato is fixed by the second blades 34, the first blade 22 cuts off the stem. After cutting, the lifting mechanism 31 drives multiple second blades 34 and scrapers... As the second blade 34 rises, the scraper 35, carrying the tomato skin, separates from the pulp. The scraper 35 then rises a short distance, and the plate conveyor 2 transports the pulp and stem to the separation mechanism 4, allowing the pulp to enter the heating pot 1. At this point, the collecting plate 23 corresponds one-to-one with the second blade 34. The lifting mechanism 31 continues to drive the second blade 34 and scraper 35 upwards. The scraper 35 contacts the scraping block 36, causing the tomato skin on the scraper 35 to fall onto the collecting plate 23. Simultaneously, the plate conveyor 2 moves the peeled tomatoes to the separation mechanism 4, where the stem and pulp can be separated.

[0036] The heating pot 1 continues to heat the purified water and fruit pulp, and the stirring mechanism 11 stirs them until the fruit pulp is dehydrated. The steam generated at this time is used to peel the tomatoes. Edible oil is added to the heating pot 1 for extraction to obtain crude oil. After the crude oil is extracted, the tomato sauce is separated. The tomato skins are added to the heating pot 1. The above steps are repeated to obtain crude oil and residue. The above steps are repeated to dehydrate the pulp and tomato skin. The steam generated from the dehydration is used to steam peel the tomatoes. Once a sufficient amount of crude oil is obtained, the crude oil can be reintroduced into heating pot 1 and heated to clarify the oil phase.

[0037] Example 2 Please see Figure 5 Based on the first embodiment, the preparation device for double-leaf tomato edible oil in this embodiment further includes a cleaning component. The cleaning component includes a piston cylinder 51 and a piston rod 52. One end of the piston rod 52 is slidably installed in the piston cylinder 51. One end of the piston cylinder 51 is provided with a first air hole, and a valve plate 59 is provided in the first air hole. The piston rod 52 is provided with a trigger rod 53 in the piston cylinder 51. A one-way valve 58 is provided on the side wall of the piston cylinder 51. When the piston rod 52 descends, outside air enters the piston cylinder 51 through the one-way valve 58. When the piston rod 52 rises, the internal air is compressed. When the piston rod 52 moves to its highest position, the trigger rod 53 can open the valve plate 59, thereby opening the air outlet. The valve plate 59 is connected to the piston cylinder 51 by a spring. When the trigger rod 53 retracts, the valve plate 59 is reset by the spring, closing the first air hole. The airflow generated by the first air hole can blow towards the scraper groove in the scraper block 36 to clean the scraper groove.

[0038] The moving end of the lifting mechanism 31 is also fixedly connected to the piston rod 52, so that the piston rod 52 and the connecting column 33 move synchronously; the cleaning assembly also includes a diversion plate 54, which is disposed on the cover 3, and the diversion plate 54 is provided with a second air hole 55, which is connected to the first air hole through a pipe. Figure 5 The two breaks indicated by the broken line are omitted pipes. The diversion plate 54 has a cavity. The bottom of the diversion plate 54 has multiple third air holes 56 corresponding to the scraping groove. The cover 3 has a fourth air hole 57 corresponding to the third air hole 56, so that the airflow generated by the first air hole passes through the pipe and sequentially passes through the second air hole 55, the third air hole 56, and the fourth air hole 57 to clean the scraping groove.

[0039] In this embodiment, after each contact between the scraper blade 35 and the scraper groove, the cleaning component can blow air onto the scraper blade 35 and the scraper groove to reduce the tomato peel residue remaining on the scraper blade 35 and the scraper groove, thereby improving the utilization rate of the tomato peel.

[0040] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. An apparatus for preparing edible oil from double-leaf tomatoes, comprising a heating pot with a stirring mechanism, characterized in that: It also includes a plate conveyor and a steam-permeable hood. The plate conveyor is alternately provided with a cutting area and a peeling area. Multiple first blades are arranged horizontally at intervals on the cutting area. Multiple collection plates are arranged at intervals on the peeling area. The hood can cover adjacent cutting areas and peeling areas. The cover is provided with a lifting mechanism, and the moving end of the lifting mechanism is provided with a plurality of second blades. The second blades are provided with elastically bendable scrapers in the circumference, and the cover is provided with scraping blocks above each scraper. The tomato is placed with the stem end facing down on the cutting area. Steam is introduced into the hood, causing the tomato skin to crack. The lifting mechanism drives the second blade to insert into the tomato and scrapes off the tomato skin with a scraper. The plate conveyor continues to transport the tomato, causing the first blade to cut off the stem end. After the lifting mechanism drives the scraper to rise, the scraper separates the tomato skin from the pulp and collects it. After the lifting mechanism drives the scraper to rise again, the scraper contacts the scraping block, causing the skin on the scraper to fall off. It also includes a separation mechanism between the plate conveyor and the heating pot, which can separate the stem, pulp, and tomato skin from the plate conveyor.

2. The apparatus for preparing double-sub-tomato edible oil according to claim 1, characterized in that: The separation device includes an inlet cover and a separation plate. The inlet cover connects the heating pot and the cover body. The separation plate is fixed inside the inlet cover. When the plate conveyor transports the fruit to the bend, the top surface of the corresponding first blade passes through the bottom surface of the separation plate, causing the pulp to fall down along the top of the separation plate.

3. The apparatus for preparing double-sub-tomato edible oil according to claim 1, characterized in that: The second blade is cross-shaped.

4. A type of edible oil made from double-sub-tomatoes, using the apparatus for preparing edible oil from double-sub-tomatoes according to any one of claims 1-3, characterized in that, It includes linoleic acid, α-linolenic acid, and lycopene, wherein the α-linolenic acid content in the double-tomato edible oil is ≥10%, and the total content of linoleic acid and α-linolenic acid is ≥70%.

5. The edible oil made from double-sub-tomatoes according to claim 4, characterized in that: The α-linolenic acid is provided by perilla oil or linseed oil, wherein the α-linolenic acid content in the perilla oil or linseed oil is ≥53%.

6. The edible oil made from double-sub-tomatoes according to claim 4, characterized in that: The linoleic acid is provided by safflower seed oil, and the linoleic acid content in the safflower seed oil is ≥78%.

7. A process for preparing double-sub-tomato edible oil, using the apparatus for preparing double-sub-tomato edible oil according to any one of claims 1-3, characterized in that, Includes the following steps: S1: Peel and remove the stems from the tomatoes using the aforementioned double-sub-tomato edible oil preparation device; S2: Add the pulp or tomato skin to a heating pot, add water, stir and heat until dehydrated; S3: Add edible oil containing linoleic acid and α-linolenic acid to a heating pot for extraction. After extraction, cool and let stand, and separate the solid and liquid to obtain crude oil. S4: Heat the crude oil and clarify it to obtain double-tomato edible oil.

8. The preparation process of the double-sub-tomato edible oil according to claim 7, characterized in that: In steps S3 and S4, the heating temperature of the heating pot is between 120 and 130 degrees Celsius. In step S3, the extraction is carried out by stirring for 20 to 40 minutes.

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