Method of drying jerusalem artichoke
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Method for production of roasted bulk products preferably nuts, nut kernels, seeds and seed kernels of oil cultures (variants) / 2279831 In the first embodiment bulk foodstuffs in placed in chamber, heated with microwave irradiation at 100-140°C under reduced pressure of 50-120 mmHg up to readiness (the first variant). In another embodiment bulk foodstuffs in placed in chamber and heated with microwave irradiation and heated air at 140-200°C up to readiness. |
 Plant for powder material drying and vertical drying chamber / 2267067Plant comprises vertical drying chamber of rectangular shape divided into over-the-drier section, heating section and cooling one and having tapered lower part, microwave emitter and forced draft blower. ^-shaped hot air discharge boxes are arranged between over-the-drier section and heating section between windows made in drying chamber ends. One hot air discharge box extends along horizontal axis of symmetry and has vertical microwave emitting horn with aperture closed with radio transparent cap. Above hot air discharge box is directed into the drying chamber. Emitting axis coincides with vertical axis of symmetry defined in drying chamber. Each microwave emitting horn is linked with corresponding magnetron. Microwave emitter has several (more than 2) magnetrons. ^-shaped cold air discharge boxes are arranged between heating section and cooling one between windows formed in drying chamber ends. Adjacent horizontal microwave emitting horns have orthogonal polarizations. |
 Method and device for shf-drying of large-sized woods / 2263258Packages of woods are put into cassette with longitudinal recesses in side walls through which recesses the packages are treated with HF energy pulse flux. Inside the flux the packs of woods are formed on top branch of transporter. The pack is introduced into cassette and the pack is treated from its middle to its ends with SHF pulses during three steps. During first step the packs are warmed till 35-65°, during the second step - till 60-90° and during third step - till 75-105°. Circulation of vapor-air mixture is carried out which mixtures washes warmed packs about and after it the mixture is sucked away. Device for SHF-drying of woods has frame onto which cassette with woods is mounted. Longitudinal recesses of the cassette join magnetrons. Cassette is made in form of side, lower and top walls limiting its volume. Cassette's ends are closed with shutters. Any magnetron is provided with fan for supplying air into chamber for washing woods' packs about. |
 Method and device for drying loose dielectric materials / 2262051Method comprises evacuating volume up to 2·10-3 mm Hg, supplying dry air with simultaneous evacuation up to the pre-break down pressure, and switching on the microwave heating. During drying, the pressure inside the chamber is controlled thus providing continuous evacuation. The device comprises drying chamber made of the multi-mode resonator. The side of the resonator opposite to the microwave bus is provided with vacuum-tight detachable flange with the lid. The resonator receives pads arranged in rows and made of radioparent material the height of the side of which is equal to the double depth of penetration of the microwave energy at its working frequency for given material and initial humidity. The distance between the pads does not exceed 0.1 of the microwave wavelength for maximum coefficient of charging of the resonator which is connected with the vacuum system. |
 Device for drying wood / 2262050Device comprises chamber, waveguides connected with the microwave magnetrons mounted on the sides of the chamber in staggered order, cooling system, device for charging and discharging wood material, vacuum system, water drain system, and system for smooth switching on the magnetrons. The chamber is cylindrical, and the magnetrons are arranged on the cylinder in tree rows for permitting repeatable changing of the polarization rotation of the output signal. The polarizations of adjacent waveguides are orthogonal. The waveguide of rectangular shape has top member whose cross-section is the rectangular trapezium. The outlets of the waveguides are plugged with a dielectric transparent for radio waves for protecting the magnetrons against vacuum. |
 Method and device for lumber pile forming / 2256132Method involves laying boards in rows on padding with spaces so that board rows are located at α angle to horizon defined by the following expression tgα=λ/2b, where λ is electromagnetic wave length in air, b is pile width. Angle α of each next row is inverse to previous one so that all even rows are parallel to each other and all uneven rows are also parallel to each other. Padding is formed as triangle with extensions made at apex and median thereof. Triangle height is equal to pile width, triangle base is equal to ultrahigh-frequency electromagnetic wave length in air λ. Extension at triangle median is equal to λ/4÷λ/2. |
 Shaft type grain drier / 2251060Drier includes source(s) of UV- irradiation connected with inlet(s) of UV- irradiation to drying chamber; SHF generator; Г-shaped wave guide-slit type exciter(s) with mutually normal arrangement of half-wave slits. Exciter is secured to lateral wall of respective zone of drying chamber and connected by its inlet with outlet of SHF generator and connected by its outlet with inlet of SHF-energy to drying chamber. Flat reflectors of SHF-energy are mounted in front of half-wave slits in each zone normally relative to incident rays of SHF-energy along distance multiple to preset number of waves of SHF-irradiation. In each zone where drying agent is introduced inlets of drying agent to drying chamber are oriented normally relative to motion direction of food grains in opposite directions from zone to zone near tangent lines of generatrix of inner surface of drying chamber. Surface area of cross sections of outlets of drying agent from drying chamber exceeds surface area of cross sections of inlets of drying agent to drying chamber. |
 Mode of drying round lumber with super high frequency energy / 2250428Method of drying round lumber with super high frequency energy consists in feeding into a processing chamber with lumber lying in it of locally directed electromagnetic super high frequency waves. Differing is in that main electromagnetic waves of inferior order E01, formed in circular waveguide, are used. Local direction of supplying of named waves is made from opposite butt-ends of processing round lumber and processing is made at wave length (λ) of super high frequency source with corresponding ratio: 0,4<d/λ< 0,8, where: D - diameter of processed round lumber, cm; λ - wave length of superhigh frequency source, cm. |
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Method of drying articles in containers / 2244886 Material is dried at two stages: at first stage, drying is effected by SHF energy at simultaneous evacuation to critical temperature of article being dried and at second stage, material is kept at vacuum till required moisture content has been attained. |
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Method for preparing of powdered semi-finished product from sugar beet juice / 2271674 Method involves inspecting and washing sugar beet roots; providing thermal processing by open steam; skinning and grinding clean roots; pressing ground mass for expelling of juice; concentrating juice under low pressure until dry substance content is 40-45% and providing dispersion drying of condensed juice. Thermal processing is performed under pressure of 0.8-0.9 MPa for 1-1.5 min. During grinding process, roots are simultaneously subjected to blanching. Ground blanched mass is acidified by citric acid until pH value is 4.5. Juice is concentrated under low pressure of 0.072-0.076 MPa at temperature of 65-70 C. |
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Dietetic composition for decreasing body weight gain and method for decreasing body weight gain / 2267279 It has been developed both the dietetic composition and method in which one should apply the foundation as food for mammalians and an active component being an estrogen, androgen or their mixture at the quantity to be sufficient for preventing body weight gain usually happened in mammalians after delayed maturation of reproductive organs, castration, ovariectomy or hysterectomy, or during post-climacteric period. Preferably, active component is being a phytoestrogen, phytoandrogen or their mixture, at the quantity 0.001-10 weight% against the weight of composition. Application of compositions efficiently prevents body weight gain in mammalians. |
 Method for producing pectin and food fibers from sugar beet / 2261868Invention describes a method for preparing pectin and food fibers from sugar beet. Method for preparing pectin and food fibers from sugar beet involves its milling to chips, washing chips with anolyte, two-fold extraction of washed out chips with anolyte, pressing extracted mass and separation of pulp and extract followed concentrating extract, precipitation pectin with ethyl alcohol from extract and drying pectin. Washing out chips with anolyte is carried out at pH 3.2-3.5, the first extraction is carried out with anolyte at pH 6.4-6.6 and the second extraction - at pH 7.5-8.0. After pressing mass pressed pulp and washing water are separated and the latter is mixed with extract before its concentrating. Particles of pressed pulp are subjected for milling to required size, dehydration and drying resulting to preparing food fibers. Proposed method provides enhancing effectiveness in utilization of raw in preparing pectin due to additional extraction of food fibers of good quality. |
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Method for foodstuff production from apples / 2277351 Claimed method includes apple preparation, slicing to produce slices of 2-4 mm thickness, treatment with aqueous solution containing approximately 1.5 % of natural sweetener "Sweta", 0.5 % of ascorbic acid and 0.5 % of table salt at 60-75°C for 3-6 min. Then product is dried by convectional method at heat carrier temperature of not more 90°C and rate not less 40 m3 per 1 kg of prepared apples up to residual moisture of 28-31 % and further in gaseous heat carrier stream with impulse applying of microwave energy up to residual moisture of 5-7 %; and packed in oxygen-free medium into bags made of combined polymer-foil-polymer material. |
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Method of preparing food product from apples / 2268617 Method involves preparing apples and cutting into 2-4 mm thick pieces; treating pieces of apple in natural apple juice with sweetener added at the rate of sweetness coefficient of sugar in an amount of about 3.6% by weight of product at temperature of 60-75 C for 3-6 min; providing convective drying process at temperature of heat-carrier not in the excess of 90 C and at flow rate of at least 40 m3 per 1 kg of prepared apples until residual moisture content is 28-31%, followed by drying in gaseous carrier flow combined with pulsed supplying of microwave energy until residual moisture content is 5-7%; packing food product in oxygen-free medium into bags made from combined polymer-foil-polymer material. |
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Method for producing of sterilizable canned foods / 2264335 Method involves placing solid components into preliminarily prepared cans, said components including dried raw plant materials; pouring media containing additive preventing dried plant components from cooking out, polyatomic alcohol introduced in an amount of at least 0.3% by weight of dried plant components, and other desirable additives; performing pressurization and sterilization. |
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Method of production of sterilized canned food using dried vegetable raw material / 2261826 According to proposed method, dried vegetable components of canned food are reduced in solution of polyhydric alcohol for which purpose glycerin, xylitol, sorbitol mannitol can be used. Reduction is done by soaking in solution with temperature close to freezing point and up to boiling point. Simultaneously with reduced vegetable components all other components according to receipt including filling liquid are packed in packing containers which are sealed and sterilized to get specific product. |
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Method for production of desiccated supply from plant raw materials / 2256330 Plant raw material before desiccation is treated with preparation obtained from biomass of Mortierella polycephala micromycete according to claimed technology and conditioned. |
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Method for production of desiccated supply from vegetable raw materials / 2255488 Vegetable raw material before desiccation is treated with preparation obtained from biomass of Mortierella humilis micromycete according to claimed technology and conditioned. |
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Method for production of desiccated supply from vegetable raw materials / 2255487 Vegetable raw material before desiccation is treated with preparation obtained from biomass of Mortierella spinosa var. sterilis micromycete according to claimed technology and conditioned. |
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Method for production of desiccated supply from vegetable raw materials / 2255486 Vegetable raw material before desiccation is treated with preparation obtained from biomass of Mortierella jenkinii micromycete according to claimed technology and conditioned. |
 Multitier drying chamber / 2255485Invention relates to chamber-type drying equipment with convective heat transfer and it can be used for vegetable food drying. Proposed multitier drying chamber with cover is furnished with ventilation device including perforated cross partition and gate on line communicating with atmosphere. Detachable gauze pan is mounted in each tier on framework and number of replaceable infra-red radiators with ceramic functional envelope. Distance between radiators is 2.3-2.5 times less than height of their. Moreover, additional gauze pan is installed in each tier over infra-red radiators symmetrically. Perforated cross partition is secured from bottom of chamber and it communicates with outer housing which accommodates series-mounted heater, fan and air filter. Gate is mounted in cover port. |
FIELD: preservation or chemical ripening of fruit or vegetables.
SUBSTANCE: method comprises heating the Jerusalem artichoke in the microwave stove under vacuum at a temperature 50-60 and a residual pressure of 120-150 Hg mm. The heating is performed for 3-4 hours.
EFFECT: enhanced quality of drying.
5 cl, 1 tbl
The invention relates to a method for drying agricultural products.
A known method of drying agricultural products by heating microwave energy to 70-90° in a sealed vacuum chamber and drying until the product moisture 9-13% (see the description of invention to the patent of Russian Federation № 2151984, IPC F 26 B 3/347, publication 27.06.2002).
The disadvantage of this method is the low quality of the product because of the high temperature drying.
A known method of drying agricultural products including heat product in a microwave oven to 95°under vacuum to a residual weight of the product 30-90% of the original (see the description of the invention to the patent of Russian Federation №2063691, IPC And 23 In 7/02, publication 20.07.1996).
The disadvantage of this method is the low quality of the product because of the high temperature drying.
The task of the invention is to improve the quality of the obtained dry product: from tubers of Jerusalem artichoke.
The invention consists in that in the method of drying the tubers of the Jerusalem artichoke, which includes heating of the product in a microwave oven under vacuum, the drying is carried out at a temperature of 50-60°and at a residual pressure of 120-150 mm Hg within 3-4 hours.
In addition, the quality of the product drying is subjected to whole tubers of Jerusalem artichoke.
In addition, as PR is the product subjected to drying the sliced tubers of Jerusalem artichoke.
In addition, the utilization ratio of the volume of the furnace when loading its product is 0.60 to 0.75.
In addition, drying is carried out to a residual moisture content of 6-10%.
In addition, drying is conducted until the residual mass of the product 20-30% of the original.
This improves the quality of the obtained dry product.
The method of drying the tubers of Jerusalem artichoke as follows.
The tubers of Jerusalem artichoke prepared by separating the adhered earth, washing to remove dirt, rinsing the dirt under the shower and inspection. Tubers from the skin is not clean. They lay in the microwave whole or in slices. The utilization of the oven when loading its product is 0.60 to 0.75.
In the furnace by means of the pump create a vacuum at a residual pressure of 120-150 mm Hg Include a microwave and carry out drying at a temperature of 50-60°C for 3-4 hours.
Drying is carried out to a residual moisture content of 6-10% or to a residual weight of the product 20-30% of the original.
Examples of the method is given in the table.
The claimed method can improve the quality of the obtained dry product from tubers of Jerusalem artichoke in the most complete preservation of the product of biologically active substances and reduce the possibility of local overheating and burning.
6,3| Table | |||||||||
| Indicators | Examples | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| The mass of raw material, kg | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Temperature, ° | 50 | 50 | 50 | 55 | 55 | 55 | 60 | 60 | 60 |
| The residual pressure, mm Hg | 120 | 120 | 120 | 135 | 135 | 135 | 150 | 150 | 150 |
| Drying time, h | 4 | 3,5 | 3 | 4 | 3,5 | 3 | 4 | 3,5 | 3 |
| Final moisture, % | 6 | 8 | 10 | 6 | 8 | 10 | 6 | 8 | 10 |
| The dry weight of product (kg) | 5,8 | 6,0 | 6,1 | 5,85 | 5,9 | 6,2 | 5,9 | 6,1 |
1. The method of drying the Jerusalem artichoke, which includes heating of the product in a microwave oven under vacuum, characterized in that the drying is carried out at a temperature of 50-60°and at a residual pressure of 120-150 mm Hg within 3-4 hours
2. The method according to claim 1, characterized in that the quality of the product drying is subjected to whole tubers of Jerusalem artichoke.
3. The method according to claim 1, characterized in that the quality of the product is subjected to drying slices of Jerusalem artichoke.
4. The method according to claims 1 to 3, characterized in that the utilization ratio of the volume of the furnace when loading its product is 0.60 to 0.75.
5. The method according to claims 1 to 3, characterized in that the drying is carried out to a residual moisture content of 6-10%.
6. The method according to claims 1 to 3, characterized in that the drying is carried out to a residual weight of the product 20-30% of the original.