WO2005099488A1 - 緑色の杜仲茶葉および杜仲葉緑色粉末の製造方法 - Google Patents
緑色の杜仲茶葉および杜仲葉緑色粉末の製造方法 Download PDFInfo
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- WO2005099488A1 WO2005099488A1 PCT/JP2004/013948 JP2004013948W WO2005099488A1 WO 2005099488 A1 WO2005099488 A1 WO 2005099488A1 JP 2004013948 W JP2004013948 W JP 2004013948W WO 2005099488 A1 WO2005099488 A1 WO 2005099488A1
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- leaves
- tochu
- tonaka
- leaf
- green
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/34—Tea substitutes, e.g. matè; Extracts or infusions thereof
Definitions
- the present application relates to a method for producing green Tonaka tea leaves, Tonaka leaf green powder, especially a method for producing a Tonaka leaf green powder having a moisture value of 2% or less and an average particle size of 3 to 14 m, and the Tonaka leaf green powder
- the present invention relates to the resulting water extract and dispersion in water.
- Eucommia ulmoides oliver is a deciduous woody tree classified as a genus Eucommia genus Eucommia genus from central China, and is a high tree with a height of 20 m. As a characteristic of Tonaka, it is a dioecious plant, and there is no inflorescence due to airborne fertilization.
- Tonaka is roughly divided into bark and leaves as industrially used parts. According to the Pharmaceutical Affairs Bureau's Monitoring and Guidance Division, “Pharmaceutical Scope Standards Guidebook,” ⁇ skin is listed as an unlicensed drug under “1 ⁇ ” and is treated as a drug. In addition, the Chinese book states the following medicinal properties for skin. In other words, the Shinnohon Honkyo (approximately 2,000 years ago) shows the classification items of ⁇ elegant, intermediate, and vulgar, '' and among them, Tonaka's skin is ranked as the highest class ⁇ elegant, '' and it has no side effects and has a longevity It will help you all.
- Tochu tea Tochu leaf water extract
- tea leaves harvested in the production area are dried in the sun, and the dried product is usually roasted at 100 to 140 ° C for 30 to 50 minutes, and then the appropriate size is obtained.
- the tea leaves produced in this manner required boiling for more than 10 minutes in order to perform sufficient water extraction. Then, after steaming the Tochu leaves, kneading A process and a method for roasting are disclosed, and hot water extraction of Tonaka leaf components in a short time has become possible (see Patent Document 1).
- Tochu tea extracted from conventional green tea leaves in which the removal of viscous substances such as lipids in the tea leaf production process is not sufficient, is called “egumi” or It contained “green odor.”
- the conventional manufacturing method omits the roasting process in order to maintain the green color of the tea leaves, and as a result, it does not have sufficient “roast feeling” required for the taste and Z or aroma characteristics of Tochu tea. I got it.
- the extraction time required for extraction and the amount of tea leaf power extracted per unit amount it was also required to improve the extraction efficiency of Tochu tea leaves.
- Patent document 1 JP-A-8-173110
- Patent Document 2 Patent No. 2775418
- Patent Document 3 JP-A-11 155537
- the inventor of the present invention has conducted intensive studies to solve the problem.
- the present invention was completed by discovering that Tonakaha green powder of 3 to 14 m obtained by subjecting the powder to a pulverizer such as a jet mill has favorable characteristics.
- An object of the present invention is to provide a green Tochu tea leaf having favorable characteristics that match more consumers' tastes in taste, color and Z or aroma, and a method for producing the same. is there. Furthermore, an object of the present invention is to provide a Tonaka leaf green powder capable of improving the efficiency at the time of water extraction and dispersing the dispersion in water to provide a beverage, and a method for producing the same. Further, the object of the present invention is to control the taste, color and Z or scent.
- the step of steaming the Tochu leaf; the step of drying the Tochu leaf while stirring and Z or kneading; and the step of irradiating the Tochu leaf with far infrared rays to dry the Tochu leaf A method for producing green Tochu tea leaves is provided.
- the step of steaming the Tonaka leaves; the step of drying the Tonaka leaves while stirring and Z or kneading; the step of equalizing the water content in the Tonaka leaves; the step of drying the Tonaka leaves Also provided is a method for producing green Tochu tea leaves as described above, comprising: a step of grinding the Tochu leaves; and a step of drying the Tochu leaves by irradiating the Tochu leaves with far infrared rays.
- the step of steaming the Tochu leaves is
- Drying Zhong or rubbing equalizing the water in Tochu leaves; stirring and drying Zhongchu leaves; drying while Z or rubbing; drying Tonaka leaves; crushing Tonaka leaves; and Tonaka
- a method for producing the above green Tochu tea leaves comprising a step of drying the Tochu leaves by irradiating the leaves with far infrared rays.
- a method for producing a green powder of Tonaka leaf comprising jet milling the powder of Tonaka leaf with an average diameter of 3 to 14 m.
- the step of steaming the Tochu leaves; the step of drying while stirring and z or kneading the Tochu leaves; the step of equalizing the moisture in the Tochu leaves; Drying while rubbing; Drying Tonaka leaves; Grinding Tonaka leaves; Drying Tonaka leaves by irradiating Tonaka leaves with far infrared rays; and Mean diameter of Tonaka leaves by jet mill The present invention also provides a method for producing a green powder of Tochu leaf green, which comprises a step of forming a powder of 3 to 14 ⁇ m.
- the compressed air is heated air having a compressed air force of 70 to 150 ° C, which is fed into the jet mill.
- a manufacturing method as described above is also provided.
- a green-yellow Tonaka comprising a step of obtaining a Tonaka tea leaf that can be produced by the above method, or a Tonaka leaf green powdered water extract that can be produced by the above method.
- a method for producing tea is also provided.
- a method for producing a green beverage which is an underwater dispersion of Tochu leaf powder, comprising a step of dispersing Tochu leaf green powder that can be produced by the above method in water.
- green Tochu tea leaves, Tochu leaf green powder, green yellow Tochu tea and Tochu leaf green powder that can be produced by the above method are dispersed in water. Beverages are also provided.
- the eucalypt leaf in the present invention means the eucalypt leaf after harvest and before drying, and may be produced by cultivation or collected from nature.
- fresh leaves before litter can be used for the current year, and fresh leaves from April to October, preferably from May to August, and more preferably from July to August can be used.
- the forest leaves of the present invention may be used as they are, or cut leaves may be used. Therefore, the invention of the present application may further include a step of cutting the green leaves.
- the eucommia leaf may be cut into a width of, for example, about 5-30 mm, preferably about 10-20 mm.
- the use of uncut leaves of Tonaka leaves enables gentle drying in the subsequent drying process, which can reduce the yield due to the collapse of the leaves during drying and suppress the discoloration of Tonaka leaves .
- the steaming process of Tonaka green leaves can be carried out using a commercially available steamer or an autoclave according to a method usually performed in the art.
- a commercially available steamer or an autoclave for example, by spreading the Fuchu leaves on a net conveyor and passing them through a processing chamber filled with no-pressure steam supplied from the boiler, the Fuchu leaves can be steam-heat treated.
- a leaf feeding machine manufactured by Takamura Iron Works Co., Ltd. a ground-type 1500, a net conveyor, a belt-feeding type 1000, and the like can be used.
- the steaming temperature can be appropriately selected, for example, in the range of 90 to 120 ° C, preferably 95 to 110 ° C, and more preferably 100 to 110 ° C, depending on the size of Tochu leaf.
- the steaming time can be appropriately selected in the range of 10 to 240 seconds, preferably 20 to 180 seconds, more preferably 20 to 120 seconds.
- the amount of steam to be used can be appropriately selected, for example, in the range of 70 to 200 LZ, preferably 100 to 170 LZ.
- the treatment amount of the steamed leaves can be appropriately selected, for example, in the range of 3 to 10 kgZ, preferably 418 kgZ, more preferably 5 to 7 kgZ, depending on the moisture content of the fresh leaves.
- the green color of the Tonaka leaf is easily maintained by inactivating the enzyme that turns the Tonaka leaf into brown; by the softening of the Tonaka leaf, the Tonaka leaf after the steaming process is agitated and Z or Z The step of drying while kneading is facilitated; and the effect of preventing a prolonged drying time in the drying step described later is brought about.
- the steamed and heat-treated Tochu leaves can be used in the next step as they are, or they can be used in the next step after cooling.
- the cooling here can be performed by removing rough heat by blowing air or the like.
- the step of agitating and drying the Tonaka leaf while stirring or Z-pressing is performed, for example, by using a commercially available continuous leaf driving machine, rotary leaf driving machine, batch-type leaf driving machine or coarse massaging machine.
- the method can be carried out by a method generally used in the art.
- a leaf punching machine for example, as a commercially available leaf punching machine, a leaf punching machine (batch type) 60K, 90 °, 120K, 180K, etc., manufactured by Kawasaki Kiko Co., Ltd. can be used.
- the kneading pressure in this step is The twisting is carried out by rotating the twister supported by a panel panel with high elasticity in the leaf punching machine, and pressing down on the wall of the processing cylinder.
- the stirring in this step is performed by rotation of “Leaf Zarai” attached to the leaf driving machine.
- the kneading pressure in this step may be performed only by gentle rotation, for example, rotation of leaves.
- the drying method is not particularly limited, but is preferably carried out by sending hot air to Tonaka leaf.
- the temperature of the hot air is not particularly limited, but may be appropriately selected from, for example, a range of 70 to 120 ° C, preferably 75 to 110 ° C.
- the time required for this step can be appropriately selected in the range of 10 to 60 minutes, preferably 15 to 50 minutes, more preferably 20 to 40 minutes.
- this step can be performed at 100 ° C. for 20 to 30 minutes.
- the Tonaka leaf is dried efficiently while keeping the water content of each part of the Tonaka leaf uniform.
- viscous substances such as carbohydrates and lipids contained in Tonaka leaf are separated from Tonaka leaf by agitation and Z or kneading pressure in this process, and the resulting “Egu taste” and “Blue odor” of Tonaka tea are reduced. Is done.
- This step is preferably carried out such that the evaporation rate of the surface force of the water and the water diffusion rate inside the water are balanced.
- the hermeticity in the leafing machine be high.
- the surface temperature of the dried leaves in the drying in this step is, for example, 30-60 ° C, and preferably 40-50 ° C.
- the water content of Tonaka leaf obtained through this step is, for example, 30 to 45%, preferably 30 to 40%, more preferably 30 to 35% on a dry basis.
- the step of homogenizing the water in the forest leaves can be carried out, for example, using a commercially available kneading machine, coarse kneading machine or medium kneading machine by a method commonly used in the art.
- a commercially available kneading machine a kneading machine 60 kg type manufactured by Terada Seisakusho Co., Ltd. can be used.
- the water in the Tonaka leaf is made uniform, for example, by sandwiching the Tonaka leaf between the kneading machine of the kneading machine and the rotating drum and rotating the rotating drum at the same time as the pressing by the kneading machine.
- This step can be performed under heating if necessary.
- the step is performed without heating.
- the time required for this step can be appropriately selected in the range of 10 to 80 minutes, preferably 20 to 60 minutes, more preferably 30 to 45 minutes.
- this step can be performed at room temperature for 40 minutes.
- the force applied by the kneading machine during this step can be appropriately selected in the range of 0 to 10 minutes, preferably 2 to 8 minutes, more preferably 415 minutes.
- the water content of Tonaka leaf obtained through this step is, for example, 25 to 40%, preferably 25 to 35% on a dry basis.
- an additional “step of drying the Tonaka leaf while stirring and Z or kneading” and The method may include a "step of homogenizing the water in Tochu leaf” or a “Step of drying while stirring and Z or rubbing the Tochu leaf".
- the step can be performed under the above-described method and conditions, and the temperature of the hot air is not particularly limited.
- the time required for this step can be appropriately selected within the range of 5 to 45 minutes, preferably 10 to 40 minutes, more preferably 10 to 35 minutes. For example, it can be performed at 70 ° C for 20-30 minutes.
- the step can be performed by the above-described method and conditions, and the time required for this step is 10 to 80 minutes, preferably 20 to 80 minutes. It can be appropriately selected within a range of 60 minutes, more preferably 30-45 minutes. For example, it can be performed at room temperature for 40 minutes.
- the step of drying the Tonaka leaf of the present invention can be carried out, for example, by using a commercially available dryer and a method commonly used in the technical field.
- the drying method in this step is not particularly limited.
- the drying method can be carried out by moving the Tonaka leaf on the conveyor in a high-temperature drying room filled with hot air by a hot air generator.
- the drying can be performed by a dryer ND120 manufactured by Terada Seisakusho Co., Ltd.
- the temperature of the hot air is not particularly limited, but for example, a force in a range of 70 to 100 ° C, preferably 85 to 95 ° C is appropriately set. Can be selected.
- the time required for this step can be appropriately selected within the range of 5 to 80 minutes, preferably 10 to 80 minutes, and more preferably 20 to 80 minutes.
- the water content of Tonaka leaf obtained through this step is, for example, a water content of 5% or less, preferably a water content of 3% or less, and more preferably a water content of 2% or less.
- the step of pulverizing Tonaka leaf of the present invention is not particularly limited, and can be performed using, for example, a commercially available pulverizer.
- the pulverization method in this step is not particularly limited.
- the pulverization method can be performed by Urai Co., Ltd., Model UGC-280.
- the size of Tonaka leaf obtained through this step is, for example, 2.8 mm to 0.71 mm, and preferably 2.8 mm to 1.4 mm.
- the color tone of the Tonaka leaf obtained in this step is not particularly limited, but the Tonaka leaf obtained in this step has an L value of 65 72 when measured by the reflection method of a spectral colorimeter CLR-7100F manufactured by Shimadzu Corporation.
- Tonaka tea A-value power 1.5--3, b-value 7-12, preferably 11-force S-68 71.5, a-force S-1.5-2.5, b-force 7-11 , J ri women's ⁇ poma direct force S 69 1-71, a-value 1.5-1-2, b-value 8-8.5 Tonoha leaves are included.
- the Tonaka leaf obtained through this step can be used for the extraction of Tonaka tea as “Tonaka tea”.
- the step of drying the Tonaka leaf by irradiating the Tonaka leaf with far infrared rays is not particularly limited, but can be performed using, for example, a commercially available far infrared heater.
- a commercially available far infrared heater for example, it can be performed by a VR type manufactured by Yamamasu Manufacturing Co., Ltd.
- the wavelength of the far-infrared rays to be irradiated here is, for example, in the range of 1 to 1000 m, preferably 2.5 to 50 m, more preferably 3 to 30 m.
- the set irradiation temperature during drying is, for example, 100-400. C, preferably 150-350. C, more preferably 200-300. It can be appropriately selected from the range of C.
- the time required for this step can be appropriately selected in the range of 30 to 60 seconds, preferably 40 to 55 seconds, more preferably 45 to 50 seconds as the passing speed of the infrared lamp.
- the water content of Tonaka leaf obtained through this step is, for example, a water content of 5% or less, preferably a water content of 3% or less, and more preferably a water content of 2% or less.
- the Tochu leaves obtained through this step can be used for extracting Tochu tea as “Roasted Tochu leaves”.
- the color tone of the Tonaka leaf obtained in this step is not particularly limited, but the Tonaka leaf obtained in this step may be measured, for example, by a reflection type colorimeter CLR-7100F manufactured by Shimadzu Corporation.
- L-value force 24-27, a-value force S3.8--11, b-value force 6.7-8.5, preferably L-value force 25 One 26, a direct force S—4-11 5.5, b direct force 7—8.5, J ri girls ⁇ ma direct force 25.5—26, a direct force 4.5-1-5, Tonaka leaves with a b value of 7.5-8 are included.
- the volume shape obtained in this step can be in the range of 300 to 360 mLZg, preferably 310 to 350 mLZg.
- the “roast feeling” obtained here is generally a flavor obtained by carbonizing a part of tea leaves by heating. Since the discoloration due to carbonization in this step is very small, it is slightly blackish visually.
- Tochu leaves dried by irradiating far infrared rays can be used as Tochu tea leaves.
- the green tea leaves thus obtained maintain their green color.
- the Tonaka tea obtained by extracting 3 g of the said Tonaka tea leaves with 2 40 mL of hot water for 2 minutes is not particularly limited.
- Tonaka leaf after irradiation with far-infrared rays can be subjected to a step of making it into a powder by a jet mill as it is, but may be subjected to provisional grinding before the step.
- the method of temporary grinding is not particularly limited, but can be performed using, for example, a commercially available grinder.
- the pulverization method in this step is not particularly limited, but may be performed by, for example, Koroplex 250Z type manufactured by Takano Sangyo Co., Ltd.
- the size of Tonaka leaf obtained through this step is, for example, 150 ⁇ m or less, preferably 100 ⁇ m or less, and more preferably 75 ⁇ m or less.
- the step of converting Tonaka leaves into powder having an average diameter of 3 to 14 ⁇ m by a jet mill is not particularly limited, but can be performed using, for example, a commercially available jet mill.
- the compressed air used in the jet mill may be heated, for example, in the range of 70 to 150 ° C, preferably 90 to 150 ° C, more preferably 105 to 150 ° C. You may.
- the pulverization is performed by heating the compressed air, there is an advantage that the caro-heat sterilization can be performed in this step, but the discoloration after powder processing of the powdered tea leaves is extremely small. Further, the uniformity of the powder particle size is improved.
- the obtained Tochu leaf powder has, for example, an average particle size in the range of 3 to 14 ⁇ m, preferably 4.8 to 8 ⁇ m, particularly preferably 4.5 to 6 ⁇ m, for example 5 m.
- the Tonaka leaf powder obtained in this step has a median diameter of, for example, 2 to 14 ⁇ m, preferably 2 to 8 ⁇ m, particularly preferably 4 to 15 ⁇ m, for example, 5 m.
- the Tonaka leaf powder obtained in this step has a mode diameter of, for example, 2 to 32 m, preferably 2 to 9 ⁇ m, particularly preferably 4 to 16 ⁇ m, for example, 5 / zm. is there.
- raw material supply to the crushing chamber of this step the introduced air volume 5.
- the water content of Tonaka leaf obtained through this step is, for example, 6% or less, preferably 4% or less, more preferably 2% or less on a dry basis.
- the color tone of the Tonaka leaf obtained in this process is not particularly limited, but the Tonaka leaf obtained in this process may have an L value measured by, for example, the reflected light method of a spectral colorimeter CLR-7100F manufactured by Shimadzu Corporation.
- -60-1 64 a value 4-11, b value 12-15, preferably L value -60.5 1-162.5, a direct force S4.5-5 4.8, b Direct force 13.5—14.8, J ⁇ ⁇ Direct force S 61 1-162, a value of 4.6-14.7, b value of 14-14.8 Tochu leaves are included.
- a green-yellow Tonaka tea can be obtained by extracting and filtering the Tonaka leaf obtained after irradiation with far infrared rays and the Tonaka leaf powder obtained after pulverization by a jet mill.
- Tonaka tea obtained by extracting 0.5 g of Tonaka leaf powder obtained after pulverization by a jet mill with 100 mL of hot water for 10 minutes and centrifuging at 1800 rpm for 10 minutes is not particularly limited.
- the color tone is determined by the transmitted light method of the spectral colorimeter CLR-7100F manufactured by Shimadzu Corporation
- the L value is S57-62
- the a-value is S1.3-11, 1.8
- the b-value is 5 8-8.
- b-value 6—8 more preferably L-value force S59—11 60
- a value is -1.6-1.1, b-value power.
- the water temperature at the time of extraction is, for example, in the range of 80-100 ° C, preferably 85-95 ° C, more preferably 90-95 ° C, and the extraction time is, for example, 5-20 minutes, preferably 5-15 ° C. Minutes or, more preferably, from 5 to 10 minutes.
- the extraction method may be a method using a tea bag, a method using a normal teapot, a pot or the like, or a method using an industrial scale.
- the resulting Tochu tea has a moderate aroma with less astringency, astringency and aroma. It has the advantage of being drinkable without impairing the palatability even if the powder is extracted in an increased amount as compared with the conventional one.
- Ingredients here include, in addition to Tochu-yoha glycoside and its representative component, geo-posidic acid, pinoresinol, diglucoside, tannin, alkaloid, pectin, vitamin c, tannin.
- a green beverage can be obtained by dispersing the Tochu leaf powder obtained after pulverization by a jet mill in water.
- Tonaka tea obtained by dispersing 0.5 g of Tonaka leaf powder obtained after pulverization by a jet mill in 100 mL of water is not particularly limited.
- L direct force S—82 87, a direct force S—11-8, b direct force 3.7-4.4. 6 a-value force S- 1. 4-1-1.7, b-value force 3.8-4.2, J-preferred value power S-84 85. 6, a-value is-1. 5-1-1
- a green color with 1.6 and b values of 3.85-4.2 is obtained.
- the Tonaka leaf powder of the present invention is excellent in dispersibility and exhibits physical properties that do not easily precipitate.
- the water temperature of the dispersion can be, for example, 0 to 100 ° C., preferably 0 to 80 ° C., and more preferably a temperature that is appropriately selected from the range of room temperature.
- the resulting Tochu tea has only a high degree of dispersibility in water, has less astringency, harshness, and blue odor, and has a moderate roasting feeling. It has the advantage of being able to drink without sacrificing palatability even when served. Therefore, the active ingredient of Tochu tea is large and can be easily taken.
- Ingredients here include Tochu-yoha glycoside and its representative component, g-posidic acid, guttapel power, pinoresinol, didarcociside, tannin, chlorophyll, quercetin, alkaloids, pectin, vitamin C, tannin, and And minerals such as phosphorus, potassium, magnesium, and zinc.
- Tonaka tea leaves and Tonaka leaf powders having favorable properties such as improved palatability, security assurance, and high dispersibility! An effective means is provided for the production of Tochu leaf powder dispersion.
- FIG. 1 At a raw material supply amount of 12 kgZ hours, fine powder is jet-milled using air at ambient temperature.
- FIG. 2 is an example of a diagram showing a particle size distribution of a transformed Tonaka leaf powder.
- FIG. 2 is an example of a diagram showing the particle size distribution of Tonaka leaf powder pulverized by a jet mill using air at ambient temperature with a supply amount of raw material of 4 kgZ hours.
- FIG. 3 is an example of a diagram showing the particle size distribution of Tonaka leaf powder that has been finely ground by a jet mill using air heated to 150 ° C. with a raw material supply amount of 4 kgZ hours.
- Tonaka fresh leaves 120 kg were steamed and heat-treated in a feeding steamer, dried while stirring and kneading with a leaf punching machine, and the water in the Tonaka leaves was homogenized with a kneading machine. Thereafter, the mixture was dried while being stirred and kneaded with a leafing machine. Thereafter, in Example 2, the water in the Tonaka leaves was further homogenized with a kneading machine. Tonaka leaf thus treated was dried by a re-dryer to obtain crude tea.
- the conditions in each step are shown below:
- Transmission steamer steam volume 140LZ, steaming time 80 seconds, steam temperature 100-110 ° C.
- Steps after re-processing W Re-processing weight fi./input X 100 [Example 4] Manufacture of roasted Tonaka leaves by far-infrared irradiation
- Example 13 Tochuha crude tea was crushed to 1.4 mm to 2.8 mm by UGC Model 280 manufactured by Horai Co., Ltd.
- the passing speed was set to 45 seconds.
- the upper and lower ceramic heaters were illuminated one at a time, and roasting was performed at about 200 ° C to obtain 26 kg of roasted Tochu-ha far-red roasted leaves.
- the color tone of the far-red roasted leaves using the Tochu tea leaves obtained in Example 1 was measured with a spectral colorimeter CLR-7100F manufactured by Shimadzu Corporation, and the L value was 25.89 and the a value was 4.97.
- the b value was 7.91.
- Tonaka tea obtained by extracting 3 g of the Tonaka tea leaves with 100 mL of hot water for 2 minutes, has an L value of 37.51 and a value of a when the color tone is measured with a spectral colorimeter CL R 7100F manufactured by Shimadzu Corporation. It had a green-yellow color with a force of S—7.06 and a b-value of 9.14.
- Example 1 26 kg of the Tonaka leaf far-red roasted leaf obtained in Example 4 was pulverized to 75 m by Coroplex 250Z type manufactured by Takano Industrial Co., Ltd. Next, the grinding pressure was fixed at 0.6 MPa with a jet mill, and the raw material supply amount was finely pulverized at a rate of 12 kg / hour to obtain 25 kg of Tonaka leaf powder. On the other hand, what was pulverized to 75 m by Coroplex 250Z type was finely pulverized with a jet mill at a pulverization pressure of 0.6 MPa and a raw material supply amount of 4 kgZ hours. When pulverized by this jet mill, two types of Tonaka leaf powder, 25 kg each, are compressed air that is aerated at ambient temperature or compressed air heated to 150 ° C.
- the particle size distribution of the obtained three types of Tochu leaf powder was measured.
- the obtained Tonaka leaf powder (lg) was dissolved in 100 mL of isopropyl alcohol, and dispersed in an ultrasonic cleaner for 5 minutes to prepare a sample for measurement.
- the measurement was carried out using a particle size distribution analyzer SALD-200V ER manufactured by Shimadzu Corporation. Examples of the measurement results are shown in Figs. From the measurement results, it was confirmed that when the raw material supply amount was adjusted to 4 kgZ hours from 12 kgZ hours, the particle size became finer and the particle sizes were uniform. Next, the particle size due to aeration is compared between those aerated at ambient temperature and those pulverized by heating compressed air.
- Tonaka leaf powder Both types of Tonaka leaf powder have an average particle size in the range of 4.5 to 6 m. while having a 2% 27. the sum of q 3 maximum mosquito ⁇ Luo top 3 when venting at ambient temperature, the higher 3 from 3 Max q when performing grinding by heating air The total size was 31.1%, and it was confirmed that the particle size was very close to the average particle size by flowing heated air.
- plant cells have a minimum length of 5 m, which suggests that cells are crushed in units of cells. It is considered one of the factors that
- heat sterilization can be obtained by heating and crushing the compressed air.
- the water content of the obtained Tonaka leaves was less than 2%.
- the color tone of the obtained Tonaka leaf powder measured with a spectral colorimeter CLR-7100F, manufactured by Shimadzu Corporation, showed an L value of 61.62 and an a value of 4.74 when passed through compressed air at ambient temperature.
- the b value was 14.66
- the L value was 61.80
- the a value was 4.69
- the b value was 14.73 when the compressed air was heated to 150 ° C.
- Tonaka leaf powder obtained by pulverization with heated compressed air was extracted with 10 OmL of hot water at 95 ° C for 10 minutes, and the color of Tonaka tea obtained by centrifugation at 2800 rpm was When measured with a spectral colorimeter CLR-7100F, manufactured by Shimadzu Corporation, L-value force S 57.37, a-value force S 1.41, b-value 6.08, compressed air 150 When heated to ° C, the L value force was S 59.47, the a value force was S 1.69, and the b value force was .57.
- Tonaka tea 0.5 g of Tonaka leaf powder obtained by pulverization with heated compressed air dispersed in 100 mL of water, is compressed when its color tone is measured with a spectral colorimeter CLR-7100F manufactured by Shimadzu Corporation. If the air has passed through at ambient temperature, the L value is 84.96, the a value is 1.63, the b value is 11, and if the compressed air is heated to 150 ° C, the L value is S85.30, and the a value is — 1.51, b value 90.
- Example 1 30 kg of the Tonaka tea leaves produced in Example 1 were pulverized to a mean particle size of 5 ⁇ m with a jet mill under the same conditions as in Example 5 using compressed air at an ambient temperature (about 20 ° C). 29 kg of unroasted product was obtained.
- Tochu tea leaves in Comparative Example 2 was performed based on the description in Example 2 of JP-A-8-173110. 5 kg of fresh leaves of Tonaka were steamed at 110 ° C for 90 seconds using a conveyer steamer for Japanese tea production. Fresh leaves were introduced into the machine through the inlet of the band steamer, and steam was applied to the upper and lower steam supply devices while moving on the conveyor, and steamed at 110 ° C for 90 seconds. Next, after kneading the steamed Tochu leaves with a kneading machine for 30 minutes, the kneaded material is dried with a dryer. And dried at 80 ° C for 5 hours to a water content of 5%.
- Tochu leaves changed from greenish brown after steaming to greenish blackish brown with drying. Then, it was roasted at 110 ° C for 30 minutes using a stir-fryer (Model IR-10SP: Terada Seisakusho) to obtain 2 kg of Tochu tea leaf sample.
- a stir-fryer Model IR-10SP: Terada Seisakusho
- Example 5 The components of Tochu leaf powder (crushed by heated compressed air) of Example 5 and conventional Tochu tea leaves (produced in Comparative Example 2) were compared. The inspection method followed the nutrition evaluation criteria (May 20, 1996, Notification No. 146). The results are shown in Table 2.
- Tonaka leaf powder of the present invention contained vitamin B1, Vitamin C, Vitamin E, and the like more abundantly than conventional Tochu tea leaves.
- 200 mg of vitamin C, which is not contained in conventional Tochu tea leaves, is contained in 100 g.
- the Tonaka leaf powder of Example 5 (crushed with heated compressed air) and unroasted
- the number of general viable bacteria contained in Notonaka leaf powder (produced in Comparative Example 1) was measured.
- the number of general viable bacteria contained in the Tonaka leaf powder of Example 5 was 3000 Zg
- the Tonaka leaf powder of Comparative Example 1 was 48000 Zg. Therefore, the Tonaka leaf powder of the present invention has a general viable cell count reduced to about 1/16 of that of the conventional Tonaka leaf powder, which is because pulverization by a jet mill using heated compressed air. To It is considered to be due to
- Tonaka leaf powder far-infrared roasted product
- Tonaka leaf powder unroasted product
- Example 4 Dispersibility test An underwater dispersibility test of the Tonaka leaf powder of the present invention was performed.
- Example 5 Tonaka leaf powder pulverized using heated air (material supply amount 4 kgZ hour) and Tonaka leaf produced in the procedure of Example 1 were compressed using compressed air at ambient temperature (about 20 ° C).
- Tonaka leaf powder (Comparative Example 3) manufactured by pulverizing using a jet mill at a supply amount of 4 kgZ hours was used as a sample.
- 0.1 g of each sample was added to 200 mL of a solution of Amamine 500 (manufactured by Kyowa Hakko Co., Ltd.) adjusted to 1% with distilled water. After stirring for 5 minutes, 180 mL of the supernatant was removed with a dropper.
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Abstract
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JP2004130472A JP4589029B2 (ja) | 2004-03-31 | 2004-03-31 | 緑色の杜仲茶葉および杜仲葉緑色粉末の製造方法 |
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WO2007102438A1 (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceutical Co., Ltd. | 杜仲葉水抽出物の分画物、および当該分画物を含む抗肥満剤 |
WO2007102439A1 (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceutical Co., Ltd. | 杜仲葉水抽出物の分画物、およびそれを含む経口摂取用組成物 |
WO2007102440A1 (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceutical Co., Ltd. | アディポサイトカイン産生改善剤 |
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JP2009131161A (ja) * | 2007-11-02 | 2009-06-18 | Hamamatsu Kagaku Gijutsu Kenkyu Shinkokai | チャフロサイド高含有茶葉およびその製造方法 |
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- 2004-09-24 WO PCT/JP2004/013948 patent/WO2005099488A1/ja active Application Filing
- 2004-09-24 CN CN200480043095XA patent/CN1953671B/zh not_active Expired - Lifetime
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JPH11155537A (ja) * | 1997-12-03 | 1999-06-15 | Kuniyasu Okamura | 杜仲茶の製造方法 |
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WO2007100104A1 (ja) * | 2006-03-03 | 2007-09-07 | Kobayashi Pharmaceutical Co., Ltd. | 摂食抑制剤 |
WO2007100103A1 (ja) * | 2006-03-03 | 2007-09-07 | Kobayashi Pharmaceutical Co., Ltd. | メタボリックシンドローム改善剤 |
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JP2007230969A (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceut Co Ltd | メタボリックシンドローム改善剤 |
WO2007102439A1 (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceutical Co., Ltd. | 杜仲葉水抽出物の分画物、およびそれを含む経口摂取用組成物 |
WO2007102440A1 (ja) * | 2006-03-03 | 2007-09-13 | Kobayashi Pharmaceutical Co., Ltd. | アディポサイトカイン産生改善剤 |
JP2007238449A (ja) * | 2006-03-03 | 2007-09-20 | Kobayashi Pharmaceut Co Ltd | 杜仲葉水抽出物の分画物、および当該分画物を含む抗肥満剤 |
JP2007238456A (ja) * | 2006-03-03 | 2007-09-20 | Kobayashi Pharmaceut Co Ltd | 杜仲葉水抽出物の分画物、およびそれを含む経口摂取用組成物 |
JP2007262060A (ja) * | 2006-03-03 | 2007-10-11 | Kobayashi Pharmaceut Co Ltd | 摂食抑制剤 |
JP2007262061A (ja) * | 2006-03-03 | 2007-10-11 | Kobayashi Pharmaceut Co Ltd | アディポサイトカイン産生改善剤 |
WO2009057756A1 (ja) * | 2007-11-02 | 2009-05-07 | Hamamatsu Foundation For Science And Technology Promotion | チャフロサイド高含有茶葉およびその製造方法 |
JP2009131161A (ja) * | 2007-11-02 | 2009-06-18 | Hamamatsu Kagaku Gijutsu Kenkyu Shinkokai | チャフロサイド高含有茶葉およびその製造方法 |
CN111134226A (zh) * | 2020-03-19 | 2020-05-12 | 三门峡职业技术学院 | 一种杜仲速溶茶 |
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CN1953671B (zh) | 2010-10-06 |
JP2005287469A (ja) | 2005-10-20 |
CN1953671A (zh) | 2007-04-25 |
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