EP0205612A1 - Procede pour la fabrication de produits alimentaires classiques a base de pate, les produits pouvant ainsi etre obtenus et un dispositif pour la mise en oeuvre du procede - Google Patents

Procede pour la fabrication de produits alimentaires classiques a base de pate, les produits pouvant ainsi etre obtenus et un dispositif pour la mise en oeuvre du procede

Info

Publication number
EP0205612A1
EP0205612A1 EP86900995A EP86900995A EP0205612A1 EP 0205612 A1 EP0205612 A1 EP 0205612A1 EP 86900995 A EP86900995 A EP 86900995A EP 86900995 A EP86900995 A EP 86900995A EP 0205612 A1 EP0205612 A1 EP 0205612A1
Authority
EP
European Patent Office
Prior art keywords
pasta
dryer
steam
drying
minutes
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP86900995A
Other languages
German (de)
English (en)
Inventor
Josef Manser
Werner Seiler
Friedrich Egger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buehler AG
Original Assignee
Buehler AG
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 Buehler AG filed Critical Buehler AG
Publication of EP0205612A1 publication Critical patent/EP0205612A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • 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
    • A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10—Cereal-derived products
    • A23L7/109—Types of pasta, e.g. macaroni or noodles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/06—Long pasta, e.g. spaghetti
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/08—Short pasta, e.g. macaroni, vermicelli

Definitions

  • the invention relates to a process for the production of classic dough products with a final moisture content of approximately n to 14% by weight, the pasta leaving a press head in the form of a soft, moist, plastic material being guided through differently heated climatic zones until final drying and the pasta is cooled and / or shape stabilized in a further climatic zone after completion of the drying process.
  • a preservation of Foodstuffs with a starch content therefore presuppose that both the changes taking place in them, which are primarily caused by self-enzymes, are stopped, but also that the microorganisms are killed or their development is inhibited.
  • Various methods are available for preservation. These processes should be as technically simple and economically feasible as possible. In particular, these processes are also directed to the requirement that the usual taste values of the foods subsequently available are largely retained and that there is no reduction in the nutritional value or no negative change in the proteins.
  • Pasta especially long pasta and donrdashery, are today, in addition to bread, particularly widespread staple foods that are also used to a large extent for stockpiling.
  • pasta is understood to mean ready-to-cook, storable products made from starchy, protein-containing cereal products, which are produced by molding and gentle drying, without the dough being subjected to a fermentation or baking process.
  • a distinction is made, for example, from egg pasta and egg-free pasta as well as semolina and flour pasta.
  • the current market offer for the actual pasta is essentially characterized by three basic types of pasta products, namely the traditionally dried short or long goods, the instant pasta in dried form (ready meals, fast food) and preserve pasta (undried). Both for instant pasta and for canned pasta, the market share is due to the noticeably higher manufacturing and selling price, as a rule Compared to traditional pasta, the quality is unattainable.
  • the instant pasta which only has to be poured with hot or warm water, is the actual one
  • Wickel and Nidi which are brought into the permanent shape by appropriate guidance immediately after they exit the press mold.
  • the classic pasta is thus characteristic that it is ekocht at the "end-user on average about io to 20 minutes and in water g, and must be prepared with ingredients to form a finished meal. In the following, this classic pasta is referred to as "pasta".
  • the main raw materials of the pasta are durum wheat semolina and steam,
  • Screw presses in which no homogeneous dough is kneaded in the first section, but instead only a dough crumb mass is formed in troughs with mixing paddle units, which are then slowly conveyed by transport screws and fed to the press head.
  • Rotating knives with which the preformed strands are cut to the desired length can be arranged directly below the die.
  • the strands obtained in this way must then be dried to produce durable goods, the drying proceeding from the outside inwards. It is important that the surface does not harden excessively quickly in front of the core in order to avoid cracks and cracks in the finished pasta. Due to the superficial drying of the pasta after exiting the press head, in general about 1-2
  • Swiss Patent No. 383 747 describes a method for 1 act of pasta described in which the pasta is heated in a zone 40 to ⁇ oo ° C or 60 to 80 C and subsequently treated with superheated steam über ⁇ of preferably 101 to 170 0 C for 5 to 30 5 seconds. This is followed by drying to the end product.
  • Various known disadvantages of other methods are to be eliminated with this known method, in particular undesired enzymatic reactions are to be avoided. No artificial dyes should be necessary, and shorter ones too
  • Egg pasta has a slightly yellowish to golden yellow hue, but also the previously described glassiness of the crack. The consumer rated the pasta product's matt, egg-colored appearance as good.
  • the invention has the object to further develop the initially described method so that, in particular an increase of economic 35-effectiveness of this relied device is possible while maintaining the traditional product quality to the best quality pasta for the end user and the increased demands of Gourmet to suffice.
  • this object is achieved in that the pasta leaving the press head is heated to a temperature of 80 to 100 ° C. in a first climatic zone with at least slight drying, and then flows with freshly released superheated steam for about 30 seconds to 20 minutes native starch of the surface layer of the pasta is converted into swelling starch and the pasta is then dried to the final moisture content in a controlled drying climate.
  • starch grains namely those of native starch, swelling starch, gelatinized starch and starch without birefringence.
  • the starch is called native starch if it is in the
  • Starch grains are of a certain size for the same plant variety.
  • the starch grain the shape of which is very easy to see under the microscope, is enclosed in a cell membrane and shows in the
  • the native starch is treated with heat and water in any form, be it in the whole grain, as flour or as pasta, then the starch swells and can easily absorb more than 100% water; the crystalline structure is destroyed.
  • the crystallization forces are released.
  • An amorphous starch structure is formed, the outer shape changing only insignificantly, apart from the volumetric magnification.
  • the grain membrane remains completely intact. No starch comes out of the grain.
  • the 1 Swelling starch is more digestible for humans than native starch.
  • swelling starch has a special property in that it can absorb and release water easily and very quickly. Under normal conditions, the swelling strength c can no longer be returned to the crystalline structure.
  • the swellable starch is primarily referred to as swellable starch here, regardless of whether it was already in the swollen state. With the addition of the required amounts of water, swelling starch changes immediately into swollen starch.
  • Birefringence which can be recognized by a star on each starch grain. Swelling strength no longer exhibits birefringence. Since birefringence is due to the crystalline structure, it loses
  • the state in which the swollen starch granules burst and lose their characteristic shape must be considered as gelatinization.
  • the outlines of the starch granules are no longer recognizable. Its original form has been lost.
  • a high quality pasta requires a good protein structure. Even in the dried state, the starch is retained by the protein structure. The starch - the edge zone can partially dissolve into the cooking water. Gelatinized starch also arises when mechanically e.g. B. damage caused during pressing.
  • the starch granules can also be made to burst if there is sufficient intrinsic moisture by a heat shock with boiling water, steam or radiant heat.
  • a good pasta should preferably not have any damaged starch grains, since the corresponding starch content is lost when cooking.
  • the new invention only brought about the knowledge that the method according to Swiss Patent 383 747 caused the plastic-like surface of the pasta due to several parameters.
  • 35 leads to pure heating, e.g. B. with infrared radiation without a controlled climate »immediately to a complete condensation of the moisture, which quickly deposits on the surface of the pasta as a water film, if- this should be avoided immediately according to the Swiss patent specification.
  • a main concern of the pasta industry is a particularly advantageous climatic control from the exit of the press to the finished product, a main concern being that the surface of the pasta is neither wet nor changed after exiting the press mold. This is also a reason why the finished pasta retains the rough or matt surface caused by the press.
  • the excess water on the surface which is inevitably established according to the process of Swiss Patent No. 383 747, leads to a shock-like boil with excess water due to the very intense heat of the superheated steam, which ultimately causes the disadvantageous permanent change in the surface.
  • the method according to the invention eliminates the above-mentioned disadvantages of the known method, in particular with regard to four aspects which ensure that the desirable surface structure is retained.
  • the product is at least slightly dried and heated to 80 to 100 ° C.
  • the water loss can be a few percent, in particular 2 to 5% or even 2 to 8%.
  • the former area is generally considered preferred.
  • the steaming measure is not carried out with superheated, but with freshly relaxed superheated steam, consequently with a steam at a temperature of about 100 C.
  • freshly relaxed superheated steam contains the entire enthalpy of vaporization or condensation, which is about 539 kcal / kg of water vapor. So it only comes in the micro range of pasta Surface for the formation of the finest condensate droplets, for example in the
  • Set output material of the inventive method is a Pressen ⁇ head pasta leaving a temperature of regularly about 40 to 50 C, particularly from about 40 to 45 0 C, which eischen Design been surface-treated with venti ⁇ lierender air, mechanically to a device winning ⁇ becomes.
  • this is a rod hanging device.
  • the desired length of the leg is cut (with the formation of a U-shape).
  • the dough strands are cut in such a way that an adaptation to the dimensions of the subsequent units is carried out in the heating and drying device.
  • An imperative requirement of the method according to the invention is that the shaped dough material leaving the press head and located on the conveying device is heated to a temperature of more than 8o ° C and at most ⁇ oo ° C is subjected.
  • the time period for this is expediently less than about 60 minutes, preferably less than 30 minutes and in particular about one to 15 minutes. With short-term heating, one could also speak of rapid heating. Air that is not fully saturated with moisture is chosen as the heating medium. A humidity of about 60 to 85% is preferred. The range from 65 to 75% is considered to be particularly preferred.
  • the procedure is advantageously such that there are different climatic levels in the first climatic zone which reflect temperature jumps.
  • the optimal number of climatic levels or temperature jumps depends on the minimum temperature aimed for. At least two climatic levels are provided. At least three climate levels are regularly considered to be advantageous. As a rule, the temperature jumps should be about 4 to 12 ° C.
  • the procedure is particularly advantageous in such a way that the wet temperature (dew point) of a subsequent climatic level of higher temperature is below the (dry) temperature of the previous climatic level in this first climatic zone.
  • the heating medium is therefore preferably introduced into the subsequent climatic stage at a temperature which is not raised above the psychrometric temperature difference AT. This eliminates the undesirable condensation of water vapor that occurs on the wall of the container of the first climatic zone, which could otherwise cause the pasta to drip off.
  • the main drying is preferably carried out in drying air with a certain moisture absorption capacity, in particular a relative humidity of about 65 to 80%.
  • the treatment time in the main drying zone is regularly about 30 minutes or more. B. about 30 to 120 minutes.
  • the present invention leads to new findings. Due to the preferably rapid heating in the first climate zone and the treatment in the immediately downstream steaming zone, heat-induced oxidase inhibition is brought about in the pasta, which prevents further unnecessary pigment degradation. In addition, it is also within the scope of the invention to use this highest temperature level in the range of higher product moisture since the Maillard reaction does not yet start to have an effect here. By the . On the contrary, the lack of brown or red tinting at this point in time means that the pasta treated according to the invention appears more in the yolk tone. like the pasta that has been traditionally dried to this day. The invention thus provides particular advantages in terms of color.
  • the advantageous rapid heating of the pasta in the first climatic zone up to approximately 100 ° C., in particular to approximately 95 ° to 100 ° C., is to be assessed particularly positively because it is due to the very small or non-existing temperature difference of the heating zone or the heated one Pasta and steaming zone does not form a closed water film on the pasta due to condensation.
  • the heat of the superheated steam serves only to a small extent for the actual heating of the pasta, for the greater part for the biochemical conversion of the native starch into a special swelling starch.
  • negative effects of the browning reactions through the use of maximum temperature and steam treatment in higher product moisture ranges are avoided or avoided. This leads to better quality products, also in the sense of preserving the biological value.
  • pasta also contains reducing carbohydrates, which triggers the previously mentioned Maillard reaction when heated. It has stronger nutritional effects on the one hand because of the possible reduction in the biological value of the proteins, on the other hand because of the formation of characteristic odors and flavors, which, for. B. may be desirable for baking and roasting.
  • the Maillard reaction proceeds correspondingly more slowly at lower temperatures and can therefore already occur during storage and often limits the shelf life of foods.
  • the Maillard reaction is based on extremely complex mechanisms that produce a large number of different reaction products.
  • Lysine losses due to Maillard's reaction are known in the processes known to date for the production or drying of pasta with a long treatment time. At a drying temperature of 80 ° C, nutritional losses of up to 47% have been demonstrated.
  • the invention offers the surprising advantage that it largely excludes the reduction of the essential amino acids, such as lysine.
  • the products obtained according to the invention show better digestibility with increased nutritional value.
  • the better digestibility is achieved in the context of the method according to the invention by denaturing the proteins due to hot steam injection or hot steam treatment, similar to pasteurization or sterilization. Treatment in the steaming zone is particularly responsible for this.
  • the invention shows that the conversion of the starch in the area of the good part surface or in the edge layers allows the pasta to dry out or dry out more quickly due to the water binding or holding capacity of the starch, which reduces the drying time ⁇ tion time is particularly advantageous.
  • a kind of multi-layer structure is therefore formed, with at least the starch grains of the outermost edge zone being converted into a swelling starch. It is characteristic, however, that in the core the so-called Al-dente core remains in the native state.
  • the dough products are treated with (freshly relaxed) superheated steam for about one to 30 minutes, very particularly preferably about 3 to 15 minutes, and depending on the wall thickness or the thickness of the goods , with a large wall thickness (2.0 mm and more) in less than about 30 minutes, with a medium wall thickness (1.00 - 2 mm) in less than about 20 minutes and with a small wall thickness (0.5 - 1.0 mm) are heated to 80 to 100 C in about 5 to 10 minutes.
  • the wall thicknesses mentioned are technical details which are known to the person skilled in the art and relate to hollow pasta, in particular spaghetti.
  • the invention makes it possible for the first time to optimally adapt the essential parameters, such as time and temperature, but in particular also temperature and moisture differences, to the product desired in each case and to add biochemical processes which were previously difficult to influence in addition to the drying process as such Taxes.
  • heating to 80 to 100 ° C is preferably carried out in less than 20 minutes, while freshly relaxed hot water is used for 5 to 15 minutes. treated with steam and then dried at a temperature of 75 to 95 ° C. to less than 14% by weight, the total treatment time from the exit from the press mold to final drying being less than one hour.
  • Normal egg pasta is preferably heated from the press mold to the temperature of 80 to 100 ° C. in less than about 30 minutes and treated with the freshly relaxed superheated steam for about 3 to 15 minutes and then at a temperature of about 70 to 90 ° C is dried to less than about 14% by weight, in particular 11 to 13% by weight, the total treatment time from the exit from the press head to the final drying being about one to four hours.
  • the shortest treatment times are to be used for inexpensive pasta, the longer treatment times for thick-walled products and for pasta of higher quality.
  • the method according to the invention leads to a corresponding reduction in quality when the treatment time is longer than the specified values.
  • Dough products containing high protein should therefore preferably be heated to a temperature of 80 to 100 ° C. in less than about 30 minutes and treated with the superheated steam mentioned for about 3 to 15 minutes and then to a temperature of less than about 80 ° C. to below about 14% by weight.
  • -% in particular about 11 to 13 wt .-%, are dried, the total treatment time being about 3 to 6 hours.
  • the invention relates to the production of classic pasta, which are characterized in the dried, storable state in that they contain the starch in the native state in the core of the pasta and in the outer layer or in the area of the entire good part surface in the form of swelling starch, the Surface has a customary, matt (but in particular not glazed) color corresponding to the product ingredients.
  • the invention further relates to a device for producing or drying pasta with a press, a conveying device for the pasta and a dryer which is particularly suitable for carrying out the method according to the invention.
  • the characteristic of this device is a first dryer with means for controlled climatic control and for rapid heating of the freshly pressed pasta with at least a slight drying, a steam dryer with a continuous conveyor and steam processing chambers, which are preferably arranged below the continuous conveyor, and in means for separating the steaming zone from the preceding or following climatic zone and by means of a second dryer with controlled climatic control.
  • the invention therefore proposes to carry out the heating with an at least slight drying of at most a few percent in a controlled climate.
  • steam processing chambers below the continuous conveyor. This also creates the possibility of different steaming zones. At the same time, however, the damping zones should be prevented from mixing immediately.
  • the steam is forced to flow upward through the continuous conveying means and the product from the lower steam processing chambers.
  • FIG. 1 shows schematically the longitudinal view of the entire treatment zone
  • FIG. 1b an automatic rod removal
  • FIG. 1 shows the functional relationship between treatment time and
  • Figure 3 shows the functional relationship between product moisture
  • Treatment temperature in Examples 1 and 2, 4 shows the regulating or control unit according to FIG. I
  • FIG. 5 shows a horn treated according to the invention
  • FIG. 6 shows a section of the horn according to FIG. 5 on an enlarged scale
  • FIGS. 7 to 10 show different configurations of the device according to the invention.
  • a product coating device 7 follows. Depending on the product, it is a device for long goods, designed as a rod hanging device, for short goods as a distributor on a belt or vibratory conveyor, and for nidi and wrap as a V / nickel or Nidibeleg apparatus on a frame . May be immediately after the product coating device 7, which is already integral part of the Schnelletznningzone 8, the quick heating of the product in two or more stages being to a temperature of at least 8o ° C, especially above 85 0 C in less than 20 minutes.
  • the climate is controlled by circulating air fans 9 as well as by fresh air channels 10 and exhaust air channels 11 in such a way that the connecting channels to one another and to the individual stages via throttle 12 and flaps 13 are calculated element by element via a central computer 13 in the sense of a turbo system.
  • the rapid heating zone 8 is followed by a steaming zone 14 with at least one or more elements 14, in which the product is steamed at a temperature of approximately 100 ° C. for approximately 1 to 20 minutes.
  • the steam is supplied via one or more steam distributors 15, which are coated with live steam 20 via a line.
  • the regulation and control of the steaming zone also takes place via a separate turbo system for the fresh air ducts 16 or steam and exhaust air ducts 17 or steam ducts 18 and flaps 19, which are monitored and regulated in sections by the central computer 13.
  • the steaming zone is immediately followed by an intensive drying zone 26 with one or more elements. Is dried with hot air or a heating medium above about 80 C, preferred wise over 90 0 C or with superheated steam of 100 to 200 0 C, preferably 120 to 140 C.
  • the intensive drying zone 26 is equipped with a channel for fresh air or live steam 21, a channel for exhaust air or exhaust steam 22 and a humidification device 23.
  • the overall turbo system is in turn monitored by the central computer and regulated in sections by throttles and flaps 24 in the elements via slide 25.
  • Each element has its own circulating system 34 for the treatment medium, i. H. Air or steam or a mixture of the two.
  • FIG. 1b shows an example of an automatic rod removal 29, in which a rod is gripped with a hook, pulled out of the zone and brought onto a suspension device 30. It is no longer possible to return the rod because it has to remain outside the system for a long time for the automatic detection of color, moisture and optical assessment and for the sampling of samples for laboratory analysis.
  • the products are fed via a lock 31 to a cooling zone 32, where the product is monitored, regulated, cooled and stabilized by means of a probe 27.
  • the pasta is fed to the corresponding storage counters or to the packaging device via a removal device 33.
  • each element advantageously has its own circulation system, the treatment medium being guided vertically from top to bottom or from bottom to top. It is particularly advantageous if the entire process sequence takes place in an oven-like tunnel or in a single continuous floor with several zones. Uncontrollable longitudinal movements of the treatment medium can thus be avoided. All problems of regulating or controlling the climates when superimposing several drying levels are eliminated. It is very particularly important that the three climates of the main zones (heating, damping and drying) can then be regulated or controlled independently.
  • process zone 1 representing the raw material preparation (controlled raw material mixture) consisting of semolina, water and other additives and their metering.
  • Dough preparation in process zone 2 mainly involves mixing, pressing and shaping. The freshly pressed pasta is automatically hung on bars and introduced into process zone 3, which is the heating zone.
  • Process zone 4 comprises the actual drying.
  • process zone 5 the essentially finished pasta is dried stabilized, ensiled and automatically filled into household packaging or other packaging.
  • a controller 40-40 is systematically shown for each process zone.
  • each individual zone may have a number of individual controllers, which are combined in an auxiliary computer, where appropriate also coupled to the system controller and interlock 50, where they can be connected at least for the flow of information.
  • the main computer 47 is in direct connection with a setpoint memory 46 for storing individual data or programs and for removing them.
  • Measuring devices 42-42 product measuring and monitoring devices (M) for product temperature, moisture, color and product strength as well as protein and ash and the like) are also connected to the main computer 47.
  • a setpoint generator 41-41 can also be used in conjunction with the measuring devices (M) for a complete or partial manual operation.
  • the operational management can be carried out as follows: When commissioning for the first time, all system elements are put into operation according to the locking system. As a result, the individual control loops (for controlling the air volume, humidity and temperature, etc.) are optimized by hand.
  • the corresponding data are input to the main computer 47 or the target value memory 46 for determining the target value schemes (e.g. punch cards). Production is started by controlling the corresponding product feed or dosing elements. In accordance with the empirical values, the control loops connected with the product parameters are set large. The corresponding values can in turn be transferred to the target value memory 46 or the main computer 47. On the basis of this data, the entire start-up production is controlled with the corresponding start-up program to be stopped.
  • the dough master After the start-up phase, which may take 1 to 4 hours, for example, the dough master begins to control the entire manufacturing process. He then optimizes the product, air and climate parameters in the process sections that he finds interesting or in the required process sections. For this purpose, he interrupts the corresponding control line of the main computer 47, for example to the process zone 3, by interrupting the switch contact 45. The controller 3 continues with the setpoint given before the control line was interrupted. The dough master now gives an improved target value by appropriate input to controller 3 or to one of the controllers in process zone 3. The best target values found are in turn entered into the main computer or the target value memory for the purpose of correction. The changeover switch 45 can then be reconnected and the corresponding group of controllers can be operated with the newly determined target values.
  • Optimizing interventions by the dough master can be carried out at any time by pressing the T -T or 45-45 switch. It is crucial for this procedure that, at the same time that the setpoint value schemes for the process parameters are fixed, the associated schemes of the input parameters - such as output (kg / h), type and mixture of the raw material (durum, hard and / or soft wheat) ), Water addition and various additives (egg, salt, etc.) - as well as the parameters of product quality (moisture, color, strength, etc.).
  • the setpoint value schemes for the process parameters are fixed, the associated schemes of the input parameters - such as output (kg / h), type and mixture of the raw material (durum, hard and / or soft wheat) ), Water addition and various additives (egg, salt, etc.) - as well as the parameters of product quality (moisture, color, strength, etc.).
  • the setpoints last determined as optimal for the new production can be used as a basis .plays or accessed become.
  • the dough master can thus guide the pasta line at a substantially safe level, the computer means, the controllers and also the measuring devices being valuable aids. He can control at any point at any point with the elimination of the electronic automatic means at special locations by hand or else leave the system to run automatically for longer periods of time. In special situations or emergencies, the dough master can operate the entire system in computer mode even without linking the processing zones, even in semi-automatic operation. It is essential that he can rely on the system control and locking.
  • FIG. 5 represents a horn on an enlarged scale
  • FIG. 6 in which a section of the horn is highlighted on an even larger scale.
  • the area “Y” lies on the inside and the area “X” on the outside of the pasta.
  • FIG. 6 is a graphic representation based on a corresponding microscopic image. Only the starch grains are shown, but not the protein structure.
  • the pasta obtained according to the invention has a layer (whole) of swelling starch (white grains) on the outer edge (A).
  • the core (C) of the pasta consists of native starch grains, i.e. H. Grains with cross. Between the core (C) and the edge (A) there is an intermediate layer (B) which is not completely converted into swelling starch, but has only a few grains with birefringence. The strength of the pasta only remained unchanged in the core.
  • the new pasta is the same as the classic pasta, since a good protein structure is retained, almost no damaged starch grains are present, except for a relatively thin outer layer, the whole inner part of which has to be cooked in normal time.
  • the pasta obtained according to the invention differs in starch from previous pasta in that it has already been subjected to a cooking-like process, but the starch granules remain intact with regard to their outer shape.
  • the with water Excess cooked pasta regularly shows almost only burst starch granules, at least on the outer surface.
  • the same cooking time of the pasta obtained according to the invention results from the fact that the cooking time itself depends to a very substantial extent on the wall thickness of the pasta.
  • Two processes are decisive here, namely the penetration of the water and the conversion of the crystalline structure into an amorphous state on the one hand and the swelling and cooking of the starch on the other. Both processes take time. Since the outer boundary layer is already a swelling starch, it will also absorb the water quickly, without the native starch being favored over time. It takes almost the same amount of time until the water penetrates and works in the core as with the traditional pasta.
  • FIG. 7 shows a steam cooker in the form of a belt cooker 50.
  • the product is transferred from a first dryer 51 directly to a cooking belt 52.
  • the product is transferred to a second dryer 54 via a chute 53.
  • the belt cooker 50 has a plurality of steam processing chambers 55 below the cooking belt 52.
  • Each processing chamber 55 has steam feed lines 56 with horizontal steam injection 57.
  • Each of the steam processing chambers 55 is separated by a partition 58, so that the steam of each steam processing chamber 55 forcibly flows through the cooking belt 52 and the pasta.
  • the steam chamber 59 extends above the cooking belt 52 and is limited at the top by an additional steam processing chamber 60.
  • the steam chamber 59 and the upper steam processing chamber 60 extend over the length of all the lower steam processing chambers 55. At the front and rear ends of the steam chamber 59 there is a steam outlet 61 and 62, respectively, the steam leaving the steam chamber 59 being discharged via a steam suction line 63. Below the cooktop 52 there is a catch basin 64 for the cleaning water of the belt cleaning 65.
  • FIG. 8 basically has the same structure as FIG. 7. In contrast to this, however, drying frames 70, on a chain 71, are pulled through the steam chamber 59.
  • the solution according to FIG. 8 is referred to as a hurdle or frame cooker 72. These are the hurdles or frames that are also used in the first dryer 73 and also in the second dryer 74. All special goods, such as nidi, wrap and products, are treated in hurdles 70 in appropriately designed prepackages.
  • FIG. 9 shows an entire pasta line for short-cut, normal pasta with a corresponding steam band, as described in FIG. 7.
  • the entire pasta line has the following elements: dough preparation 80, dough press 81, compression mold 82 with form ventilation 83, from which this freshly pressed pasta passes directly into a dryer 84, which is designed here as a shaker or vibro dryer. From the steam belt 50, the goods are in a drum dryer 85, which is preferably divided into two zones Z and Z, to Final moisture dried and then passed into the product stacker 86.
  • FIG. 10 shows a pasta line for special products with a hurdle or frame cooker 72.
  • the first dryer 84 consists of a dryer with a frame or hurdles.
  • the second dryer is formed from a multi-floor dryer 85. In this way, the frames with the transport chain 71 are guided through the entire system.
  • the desired process product is long goods in the form of spa ghetti with a diameter of 1.72 mm in the dry state. Quality: 4 egg.
  • the press head leaving at 40 0 C strands of dough of a throughput diameter of 1.9 mm were placed in the heating zone for 25 minutes at a temperature of 95 0 C, wherein the moisture content of
  • the mixture was dried at 84 ° C. for 110 minutes, the spaghetti being dried from 20% to 12% final moisture.
  • the pasta obtained showed a slight increase in the pigment content from 9.63 mg of ⁇ -carotene / kg for normal temperature-dried products to 10.33 mg of ⁇ -carotene / kg.
  • the product so obtained was boiled in boiling water for 12 minutes. Only minimal cooking losses were found.
  • the pasta was neither slimy nor sticky and had a very good firmness to bite and a feeling of eating corresponding to the traditional pasta.
  • Haberdashery was manufactured, i.e. H. Horns measuring 5 x .3 mm. The quality was marked with "water ware”. 100% Duum haze was moistened with water to an initial moisture content of 31% and mixed. The extrusion parameters corresponded to those of Example 1, with the exception that the screw speed was reduced to 20 rpm.
  • the shaped wonrdashery was brought to a temperature of 80 ° C in 12 minutes immediately after leaving the press head.
  • the product was dried from 31% to 27% product moisture. It was then steamed for 12 minutes and subsequently for 36 minutes at 98 0 C on the Endfeuchtmaschines ⁇ content of 12 wt .-% complete dried.
  • the pigment content increased from 9.63 mg ß-carotene / kg for normally dried products to 10.01 mg ß-carotene / kg.
  • the sensory assessment was positive in all respects.
  • Nidi product strands 2 x 0.8 mm, which left the press head, were immediately formed into a wet Nidi (nest) and placed on a frame.
  • the diameter of the Nidi was 50 mm, the height of 40 mm.
  • the Nidis were dampened with 24% water content during 3 minutes and then dried for 4 hours at 75 0 C to the final moisture content of 12%.
  • the Nidis could be rated as very good. They were preserved in their shape and beautifully yolk in color. It was particularly important here that the individual strands loosened during preparation (cooking) and did not stick together. This condition was also surprisingly met with the set parameters of the invention.

Abstract

Procédé de fabrication de pâtes alimentaires, où on fait passer jusqu'à ce qu'ils soient secs par des zones climatiques à chauffage différent les produits malléables qui sortent d'une tête de presse, puis on les fait refroidir et/ou stabiliser en ce qui concerne leur forme à la fin du processus de séchage. Les produits sont chauffés dans une première zone climatique à une température de 80 à 100o avec au moins un léger séchage, puis exposés pendant environ 30 secondes à 20 minutes à de la vapeur surchauffée fraîchement dépressurisée. Enfin, les produits sont séchés dans un climat de séchage contrôlé. Sont également décrits les produits pouvant être obtenus de cette façon et un dispositif convenant particulièrement bien pour appliquer ce procédé. Le dispositif comporte un séchoir, un four à vapeur, un deuxième séchoir et des moyens pour contrôler les conditions climatiques.
EP86900995A 1984-12-24 1985-12-24 Procede pour la fabrication de produits alimentaires classiques a base de pate, les produits pouvant ainsi etre obtenus et un dispositif pour la mise en oeuvre du procede Withdrawn EP0205612A1 (fr)

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DE3447308 1984-12-24
DE3447308 1984-12-24

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US (1) US4830866A (fr)
EP (1) EP0205612A1 (fr)
JP (1) JPS62501190A (fr)
DE (1) DE3546066A1 (fr)
SU (1) SU1582971A3 (fr)
WO (1) WO1986003654A1 (fr)

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KR100433815B1 (ko) * 1995-06-14 2004-08-16 프란츠 하스 바펠마시넨 인두스트리게젤샤프트 엠.베.하. 일회용얇은벽몰딩제품의제조방법
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CN102077854A (zh) * 2003-10-16 2011-06-01 泰克康姆集团公司 具有降低的血糖应答的可消化性降低的碳水化合物食物
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JP6100450B2 (ja) * 2010-11-10 2017-03-22 東洋水産株式会社 即席麺の製造方法
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JP5642866B1 (ja) * 2013-12-16 2014-12-17 明星食品株式会社 乾燥麺類の製造方法
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Publication number Publication date
JPS62501190A (ja) 1987-05-14
WO1986003654A1 (fr) 1986-07-03
US4830866A (en) 1989-05-16
JPH0544257B2 (fr) 1993-07-05
SU1582971A3 (ru) 1990-07-30
DE3546066A1 (de) 1986-07-03
DE3546066C2 (fr) 1989-04-27

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