WO2019167226A1 - Dispositif de cuisson et procédé de cuisson - Google Patents

Dispositif de cuisson et procédé de cuisson Download PDF

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Publication number
WO2019167226A1
WO2019167226A1 PCT/JP2018/007778 JP2018007778W WO2019167226A1 WO 2019167226 A1 WO2019167226 A1 WO 2019167226A1 JP 2018007778 W JP2018007778 W JP 2018007778W WO 2019167226 A1 WO2019167226 A1 WO 2019167226A1
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WO
WIPO (PCT)
Prior art keywords
oil
cooking
antenna
fat
transformer
Prior art date
Application number
PCT/JP2018/007778
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English (en)
Japanese (ja)
Inventor
和夫 宮川
木内　正人
貴幸 川井
Original Assignee
和夫 宮川
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 和夫 宮川 filed Critical 和夫 宮川
Priority to PCT/JP2018/007778 priority Critical patent/WO2019167226A1/fr
Publication of WO2019167226A1 publication Critical patent/WO2019167226A1/fr

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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
    • A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10—General methods of cooking foods, e.g. by roasting or frying
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/12—Deep fat fryers, e.g. for frying fish or chips

Definitions

  • the present invention relates to a cooking utensil and a cooking method for preventing deterioration of fats and oils when cooking by cooking a food material in heated cooking fats and oils.
  • a cooking method using cooking fats and oils is performed by heating fats and oils to about 120 ° C. to 180 ° C. and immersing the ingredients in the fats and oils.
  • cooking fats and oils such as salad oil are a mixture of glycerin fatty acid esters centered on unsaturated fatty acids.
  • Food such as tempura and fried food can be provided by heating this and immersing and cooking the ingredients.
  • the fats and oils gradually oxidize and deteriorate to deteriorate the flavor, and eventually the deteriorated fats and oils are replaced and discarded.
  • active oxygen is generated by oxygen, water, and the like emitted from food materials, and various substances are generated by a chemical reaction of glycerin fatty acid ester.
  • glycerin fatty acid ester For example, 2-heptin-1-ol, trans, trans-2,4-heptadienal, 9-decyn-1-ol, trans, trans-2,4-nonadienal, trans, trans-2,4-decadienal, 10- Undecenal, methyl pentadecanoate, fatty acid ester, etc. are generated. These are unintentional substances that degrade the quality of food such as flavor. If these accumulate, it is necessary to exchange fats and oils, which is not economical.
  • This invention solves the said subject, and it aims at providing the cooking utensil and cooking method which can prolong the lifetime of the fats and oils for cooking greatly.
  • the cooking utensil of the present invention is a cooking utensil cooked by immersing ingredients in heated cooking fats and oils and heating them. And a transformer capable of obtaining an AC output in which the frequency component of the fundamental frequency of the AC power source and its harmonic component are superimposed on the secondary side, and supplying the secondary side output of the transformer to the antenna.
  • the oil is given an alternating electric field radiated by the oil.
  • the transformer has a higher intensity of the harmonic component with respect to the AC output on the secondary side thereof, and the intensity of the frequency component exceeds 1 kHz. It is preferably 1/100 or less of the harmonic.
  • the transformer has a primary side and a secondary side connected via a resistor.
  • the antenna is preferably made of a conductive metal plate, and the entire surface of the plate is insulation-coated.
  • the shape of the antenna is not particularly limited, but a rectangular or square plate shape is conceivable. Moreover, it is good also considering a metal cooking container itself as an antenna.
  • the arrangement for installing the antenna is not particularly limited. However, since the direction of the electromagnetic wave radiated from the antenna is the normal direction of the metal surface, an arrangement in which oil or fat exists in that direction is preferable.
  • the cooking method of the present invention is a cooking method in which cooking is performed by immersing ingredients in heated cooking fats and oils and heating, soaking the antenna in the fats and oils, the frequency component of the fundamental frequency of the AC power source, An output of a transformer that can obtain an AC output superimposed with the harmonic component is supplied to the antenna, and an AC electric field radiated from the antenna is applied to the oil to cook the food.
  • the present invention when cooking oil and fat is heated and cooking is performed by immersing ingredients in the oil and fat, harmonics of a fundamental frequency of 100 Hz or less are superimposed on the oil and fat, and an alternating electric field having a frequency of 1 kHz or less is generated. Is granted. Thereby, the oxidation of fats and oils is suppressed, the production
  • (A) is a perspective view which shows the general
  • (b) is a perspective view of the antenna of the cooking appliance
  • (c) is the sectional view on the AA line of (a).
  • the figure which shows a time-dependent change of the production amount of 2, 4- decadienal in the fats and oils of the Example cooked using the cooking appliance The figure which shows a time-dependent change of the production amount of 2, 4- decadienal in the fats and oils of the comparative example cooked using the cooking appliance which does not provide an alternating current electric field to fats and oils.
  • FIG. 1 shows an external configuration of the cooking utensil 1
  • FIG. 2 shows an electric circuit configuration of the cooking utensil 1.
  • the cooking utensil 1 is prepared by immersing ingredients in heated cooking fats and oils 10 and heating them, and by applying an AC electric field to the cooking fats and oils 10, the deterioration of the fats and oils 10 is prevented. To do.
  • the cooking utensil 1 prevents the fat / oil 10 from deteriorating by applying an alternating electric field in which the frequency component of the fundamental frequency and the harmonic component thereof are superimposed on the fat / oil 10.
  • the cooking utensil 1 includes an antenna 2 that is an electrode for inducing an AC electric field, and a drive source 3 that generates an AC output for inducing the AC electric field in the antenna 2.
  • the drive source 3 includes an AC power supply 32 as a primary side input and a transformer 31 in which a frequency component of the fundamental frequency of the AC power supply and its harmonic components are superimposed on the secondary side.
  • the antenna 2 is immersed in the oil 10.
  • the cooking utensil 1 supplies the output of the drive source 3, that is, the secondary side output of the transformer 31 to the antenna 2, and applies an AC electric field to the fat 10.
  • the transformer 31 is an AC output in which a fundamental frequency component of 100 Hz or less and a harmonic component thereof are superimposed as main components on the secondary side, and most of them can obtain an AC output having a frequency of 1 kHz or less. Is preferable, but harmonic components exceeding 1 kHz may be included.
  • the cooking utensil 1 includes a fryer 11 having an oil tank 12 in which cooking fats and oils 10 are placed.
  • the antenna 2 is made of a conductive metal plate, and the entire surface of this plate is insulation-coated.
  • the antenna 2 has a hook portion 21 bent in a U-shape. For example, the hook portion 21 is hooked on the upper edge of the side wall 11 a of the fryer 11, and the antenna 2 is immersed in the oil 10 in the oil tank 12.
  • the antenna 2 is electrically connected to the drive source 3 via the electric wiring cable 4 joined to the back surface of the hook portion 21 and is connected to the secondary side of the transformer 31.
  • the transformer 31 has an AC power source 32 as a primary side input, and both ends on the secondary side are connected to each other via a resistor 33, and the secondary side is connected to the electric wiring cable 4 and the antenna 2 via a coil 34. Yes.
  • the transformer 31 has a primary side and a secondary side connected to each other via a resistor 35.
  • the AC power supply 32 is an AC power supply having a frequency of 100 Hz or less.
  • the frequency of the primary side input of the transformer 31 is a frequency of 100 Hz or less of the AC power supply 32. Therefore, the frequency of the secondary side AC output is the same frequency of 100 Hz or less as that of the AC power supply 32.
  • the output voltage on the secondary side is boosted according to the coil turns ratio between the primary side and the secondary side.
  • an asymmetric configuration is formed between the two poles, and a distortion occurs in the output waveform on the secondary side.
  • an AC output an AC output in which a harmonic of the fundamental frequency is superimposed on a fundamental frequency of 100 Hz or less (a fundamental frequency of the AC power supply) is obtained.
  • a harmonic is a wave having a frequency that is an integral multiple of the fundamental frequency, and in order from the closest to the fundamental frequency, the first harmonic (first harmonic), the second harmonic (second harmonic), and the third harmonic. Are called harmonics (third harmonic),.
  • Such a secondary output of the transformer 31 is supplied to the antenna 2, an AC electric field is induced by the secondary output of the transformer 31 by the antenna 2, and an AC electric field by the secondary output of the transformer 31 is applied to the oil 10.
  • the antenna 2 is an electric field having a fundamental frequency of a frequency of 100 Hz or less (a fundamental frequency of the alternating current power supply), and induces an alternating electric field on which harmonics of the fundamental frequency are superimposed.
  • FIG. 3 shows a modification of the drive source 3.
  • the driving source 3 further includes a transformer 39 on the primary side of the transformer 31 in addition to the driving source 3 shown in FIG.
  • the transformer 39 has the AC power supply 32 as a primary side input, and the secondary side is connected to the primary side of the transformer 31.
  • the transformer 31 uses the secondary side output of the transformer 39 as the primary side input.
  • the frequency of the secondary side output of the transformer 39 that is, the frequency of the primary side input of the transformer 31 is the same frequency as that of the AC power supply 32. Therefore, the frequency of the secondary side AC output of the transformer 31 is the same as that of the AC power supply 32.
  • the frequency is 100 Hz or less.
  • the output voltage on the secondary side of the transformer 31 is boosted in accordance with the primary and secondary coil turns ratio of the transformer 39 and the primary and secondary coil turns ratio of the transformer 31. .
  • the input voltage on the primary side of the transformer 31 is adjusted, and the strength of the AC electric field induced by the antenna 2 is adjusted. be able to.
  • FIG. 4 shows the frequency characteristic of the AC output on the secondary side of the transformer 31 when the frequency of the AC power supply 32 is 60 Hz.
  • the AC output on the secondary side of the transformer 31 includes a frequency component of 60 Hz that is a fundamental frequency and frequency components such as 120 Hz, 180 Hz, and 240 Hz that are harmonics of 60 Hz. It is out.
  • the intensity decreases with higher harmonics, and the intensity of frequency components exceeding 1 kHz is 1/100 or less of the second harmonic (180 Hz).
  • the second harmonic (180 Hz) may be stronger than the first harmonic (120 Hz), and the second harmonic may be twice or more the intensity of the first harmonic. .
  • even-order harmonics have higher intensity than odd-order harmonics.
  • Such a case also belongs to the technical scope.
  • the frequency of the AC power supply 32 is 60 Hz
  • the AC electric field induced by the antenna 2 is an electric field having a fundamental frequency of 60 Hz
  • the harmonics of 60 Hz are 120 Hz, 180 Hz, 240 Hz,.
  • the intensity of the frequency component exceeding 1 kHz is 1/100 or less of the second harmonic (180 Hz).
  • the frequency of the AC power supply 32 is not limited to 60 Hz, and may be any frequency of 100 Hz or less.
  • the AC output on the secondary side of the transformer 31 has a frequency component of 50 Hz that is a fundamental frequency and frequencies such as 100 Hz, 150 Hz, and 200 Hz that are harmonics of 50 Hz.
  • a frequency component of 50 Hz that is a fundamental frequency and frequencies such as 100 Hz, 150 Hz, and 200 Hz that are harmonics of 50 Hz.
  • the intensity decreases with higher harmonics, and the intensity of frequency components exceeding 1 kHz is 1/100 or less of the second harmonic (150 Hz).
  • the second harmonic (150 Hz) may have a higher intensity than the first harmonic (100 Hz), and the intensity of the second harmonic may be more than twice the intensity of the first harmonic. .
  • even-order harmonics have higher intensity than odd-order harmonics.
  • the frequency of the AC power supply 32 is 50 Hz
  • the AC electric field induced by the antenna 2 is an electric field having a frequency of 50 Hz as a fundamental frequency, and the harmonics of 50 Hz, 100 Hz, 150 Hz, 200 Hz,.
  • the intensity of frequency components exceeding 1 kHz is 1/100 or less of the second harmonic (150 Hz).
  • the deterioration of the oil / fat 10 was examined for the example cooked using the cooking utensil 1 of the present embodiment and the comparative example cooked using a cooking utensil that did not apply an AC electric field to the oil / fat 10. The results are shown below.
  • the antenna 2 of the cooking utensil 1 shown in FIG. 2 is installed in the oil tank 12 of the fryer 11 capable of charging 4 L (liters) of cooking oil 10, and 60 Hz AC power is supplied to the AC power source 32.
  • the antenna 2 was radiated with an alternating electric field.
  • the main part of the antenna has a size of 15 cm ⁇ 20 cm and a thickness of 1 mm.
  • the magnetic field induced by the alternating electric field radiated from the antenna 2 was 15 microtesla at 1 kHz or less, and 0.3 microtesla at 1 kHz or more.
  • 3.5 L of fat / oil 10 (salad oil in this embodiment) was put into the oil tank 12, and the fat / oil 10 was heated to 180 ° C.
  • the antenna 2 is immersed in the oil 10, and an alternating electric field radiated from the antenna 2 is applied to the oil 10. That is, the oil and fat 10 is provided with an alternating electric field in which the harmonic of the fundamental frequency is superimposed on the fundamental frequency of 60 Hz, and the intensity of the frequency component exceeding 1 kHz is 1/100 or less of the second harmonic.
  • Frozen foods were sequentially added to the fats and oils 10 heated to 180 ° C. and cooked as follows. Spring roll (1kg), pork bite (500g), plum broth chicken (1kg), potato French fries (1kg), onion ring (500g), crispy chicken (1kg), fried shrimp (300g), fried sardine (600g) I cooked it.
  • Example 1 the antenna 2 of the cooking utensil 1 shown in FIG.
  • the AC power supply 32 was not turned on and no AC electric field was emitted from the antenna 2.
  • 3.5 L of fats and oils 10 were thrown into the oil tank 12 similarly to Example 1, and the fats and oils 10 were heated to 180 degreeC. Since no power is supplied to the AC power supply 32, no electric field is applied to the oil / fat 10.
  • frozen foods were sequentially added to fats and oils 10 heated to 180 ° C. to perform cooking, and substances produced in the fats and oils 10 after cooking and their production amounts were measured. The measurement results are shown in Table 2 (substances and amounts generated in oils and fats cooked without applying an alternating electric field).
  • FIG. 5 shows a comparison result of the production amounts of the respective deteriorated substances produced in the fats and oils 10 in Example 1 (Table 1, AC electric field on) and Comparative Example 1 (Table 2, AC electric field off).
  • Example 1 and Comparative Example 1 are compared, the amount of production in Example 1 is less than one third of the amount of production in Comparative Example 1 for all the deteriorated substances. From this, according to Example 1, deterioration of the fats and oils 10 for cooking is suppressed, and the lifetime of the fats and oils 10 can be extended 3 times or more.
  • the antenna 2 of the cooking utensil 1 shown in FIG. 3 is installed as shown in FIG. 1 in the oil tank 12 of the fryer 11 in which 4 L of cooking oil / fat 10 can be input, and AC power of 50 Hz is supplied to the AC power source 32 to The situation was to radiate an alternating electric field.
  • the main part of the antenna has a size of 15 cm ⁇ 20 cm and a thickness of 1 mm.
  • the magnetic field induced by the alternating electric field radiated from the antenna 2 was 13 microtesla at 1 kHz or less, and 0.2 microtesla at 1 kHz or more.
  • 3 L of fats and oils 10 (salad oil in this example) was put into the oil tank 12 and the fats and oils 10 were heated to 170 ° C.
  • the antenna 2 is immersed in the oil 10, and an alternating electric field radiated from the antenna 2 is applied to the oil 10. That is, the oil and fat 10 is provided with an alternating electric field in which a harmonic of the fundamental frequency is superimposed on a fundamental frequency of 50 Hz, and the intensity of the frequency component exceeding 1 kHz is 1/100 or less of the second harmonic.
  • the oil / fat 10 heated to 170 ° C. was bubbled with air at a rate of 0.8 L / min without feeding food. A small amount of fat and oil 10 was collected every 30 minutes, and the amount of 2,4-decadienal, which is a deteriorated substance in the fat and oil 10, was measured with a gas chromatograph analyzer. The measurement results are shown in FIG.
  • Example 2 the antenna 2 of the cooking utensil 1 shown in FIG.
  • the AC power supply 32 was not turned on and no AC electric field was emitted from the antenna 2.
  • 3 L of fats and oils 10 were thrown into the oil tank 12 similarly to Example 2, and the fats and oils 10 were heated to 170 degreeC. Since no power is supplied to the AC power supply 32, no electric field is applied to the oil / fat 10.
  • the oil and fat 10 heated to 170 ° C. was bubbled with air at a rate of 0.8 L / min without adding food, and a small amount of oil and fat 10 was sampled every 30 minutes.
  • the amount of 2,4-decadienal produced was measured with a gas chromatograph analyzer. The measurement results are shown in FIG. 7 (amount of 2,4-decadienal produced when heating salad oil and bubbling air without applying an alternating electric field). As a result of the measurement, the amount of 2,4-decadienal produced increased with time and reached the maximum concentration after 4 hours.
  • Example 2 Comparing Example 2 (FIG. 6, AC electric field on) and Comparative Example 2 (FIG. 7, AC electric field off), the time until the amount of 2,4-decadienal produced in the oil 10 reaches the maximum concentration is In Example 2, after 12 hours, in Comparative Example 2, after 4 hours, Example 2 is three times slower than Comparative Example 2. From this, according to Example 2, deterioration of the fats and oils 10 for cooking is suppressed, and the lifetime of the fats and oils 10 can be extended 3 times or more.
  • Example 1 and Example 2 although the mechanism of action by which the deterioration of the oil and fat 10 is suppressed is unknown, the results of the experiment revealed that the effect was reproducible. This is because the harmonics of the fundamental frequency are superimposed on the fundamental frequency of 100 Hz or less and the intensity of the frequency component exceeding 1 kHz is applied to the oil and fat 10 with an AC electric field having 1/100 or less of the second harmonic. This is considered to be due to the effect of suppressing the generation of oxygen radicals and the reaction in the high-temperature oil 10.
  • harmonics of a fundamental frequency of 100 Hz or less are superimposed on the fat and oil 10, and the strength of frequency components exceeding 1 kHz. Is applied with an AC electric field that is 1/100 or less of the second harmonic. Thereby, deterioration of the fats and oils 10 is suppressed.
  • the oxidation of fats and oils 10 is suppressed, and various substances (for example, 2-heptin-1-ol, trans, trans-2,4-heptadienal, 9-decyne-1- All, trans, trans-2,4-nonadienal, trans, trans-2,4-decadienal, 10-undecenal, methyl pentadecanoate, fatty acid ester, etc.) are suppressed. Thereby, the lifetime of the fats and oils 10 can be extended greatly 3 times or more.
  • various substances for example, 2-heptin-1-ol, trans, trans-2,4-heptadienal, 9-decyne-1- All, trans, trans-2,4-nonadienal, trans, trans-2,4-decadienal, 10-undecenal, methyl pentadecanoate, fatty acid ester, etc.
  • the antenna 2 may be entirely immersed in the oil / fat 10, and may be disposed horizontally on the bottom surface of the oil tank 12, for example.
  • the fats and oils 10 are not restricted to salad oil, but can be applied to other cooking fats and oils.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Frying-Pans Or Fryers (AREA)

Abstract

L'invention concerne un dispositif de cuisson et un procédé de cuisson qui peuvent empêcher la dégradation d'une huile de cuisson et de matière grasse. Un dispositif de cuisson (1) comporte : une antenne (2) qui est disposée à l'intérieur d'un bain d'huile dans lequel de l'huile de cuisson et une matière grasse sont placées et qui est immergée dans l'huile et la matière grasse ; et un transformateur qui présente une source d'alimentation en CA en tant qu'entrée côté primaire, et sur un côté secondaire, obtient une sortie en CA dans laquelle une composante de fréquence d'une fréquence de base de la source d'alimentation en CA et une composante harmonique supérieure de cette dernière sont superposées. Lors de la cuisson par chauffage de l'huile et de la matière grasse et l'immersion des aliments dans l'huile et la matière grasse, l'antenne (2) est immergée dans l'huile et la matière grasse, la sortie côté secondaire du transformateur est fournie à l'antenne (2) et un champ électrique en CA rayonné par l'antenne (2) est appliqué à l'huile et à la matière grasse. Cela réduit l'oxydation de l'huile et de la matière grasse et réduit la génération de diverses substances en raison d'une réaction chimique d'un ester d'acide gras de glycérine, ce qui permet de prolonger considérablement la durée de vie de l'huile et de la matière grasse d'au moins trois fois.
PCT/JP2018/007778 2018-03-01 2018-03-01 Dispositif de cuisson et procédé de cuisson WO2019167226A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4161215A1 (fr) * 2021-09-29 2023-04-05 Pin Chia an Technology Co., Ltd. Dispositif de génération d'ondes par micro-vibrations

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002000464A (ja) * 2000-06-19 2002-01-08 Taira Giken:Kk 電場発生電極と電場処理方法
WO2010073435A1 (fr) * 2008-12-26 2010-07-01 エスケーエイ株式会社 Procédé et appareil permettant d'empêcher la détérioration d'une huile alimentaire ou d'une huile industrielle
WO2015122070A1 (fr) * 2014-02-17 2015-08-20 錦隆 後藤 Dispositif de génération de potentiel spatial, dispositif de préservation de fraicheur à l'aide d'un tel dispositif de génération de potentiel spatial, et friteuse pourvue d'un tel dispositif de génération de potentiel spatial
JP2018033830A (ja) * 2016-09-02 2018-03-08 株式会社ディーインベスト 調理器具及び調理方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002000464A (ja) * 2000-06-19 2002-01-08 Taira Giken:Kk 電場発生電極と電場処理方法
WO2010073435A1 (fr) * 2008-12-26 2010-07-01 エスケーエイ株式会社 Procédé et appareil permettant d'empêcher la détérioration d'une huile alimentaire ou d'une huile industrielle
WO2015122070A1 (fr) * 2014-02-17 2015-08-20 錦隆 後藤 Dispositif de génération de potentiel spatial, dispositif de préservation de fraicheur à l'aide d'un tel dispositif de génération de potentiel spatial, et friteuse pourvue d'un tel dispositif de génération de potentiel spatial
JP2018033830A (ja) * 2016-09-02 2018-03-08 株式会社ディーインベスト 調理器具及び調理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4161215A1 (fr) * 2021-09-29 2023-04-05 Pin Chia an Technology Co., Ltd. Dispositif de génération d'ondes par micro-vibrations

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