CN102488046B - Preparation method for Coix seed tea powder - Google Patents
Preparation method for Coix seed tea powder Download PDFInfo
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- CN102488046B CN102488046B CN 201110445572 CN201110445572A CN102488046B CN 102488046 B CN102488046 B CN 102488046B CN 201110445572 CN201110445572 CN 201110445572 CN 201110445572 A CN201110445572 A CN 201110445572A CN 102488046 B CN102488046 B CN 102488046B
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Abstract
The invention relates to a preparation method for a Coix seed tea powder. The method sequentially comprises the process steps of steeping of raw materials, drying, primary roasting, rapid cooling, secondary roasting, cooling, crushing and packaging. The preparation method provided in the invention is simple; a prepared product has the advantages of sweet and refreshing taste, agreeable fragrance, a low roasting smell and a low clam smell and retains abundant nutrients in the raw material of Coix seeds.
Description
Technical field
The present invention relates to technical field of food deep processing, be specifically related to a kind of processing method of job's tears tea.
Background technology
The seed of Job's tears is the grass family Coix, is annual herb, is the Chinese medicine of using always, is again the food of generally often eating.Humid region is born in seed of Job's tears happiness, but can be waterlogging drought-enduring, and all there is cultivation China various places, so raw material sources are abundant.The seed of Job's tears itself is nutritious, contains crude protein more than 14%, also contains glucan with anticomplementary action and heart of a lotus seed Polysaccharide A, B, the C of acidic polysaccharose CA-1, CA-2 and hypoglycemic activity, and seed of Job's tears seed volatile oil also contains 69 kinds of compositions.According to the Compendium of Material Medica record, seed of Job's tears energy invigorating spleen and reinforcing stomach, tonifying lung heat-clearing, curing rheumatism.The food of cooking a meal is controlled cold air.Fry in shallow oil drink, diuresis heat is drenched.Simultaneously, the seed of Job's tears can also be used for the invigorating the spleen excreting dampness, except numbness antidiarrheal, and treatment oedema, difficult urination, arthritis with fixed pain caused by dampness splenasthenic diarrhea etc.
State's family property structural adjustment instructs catalogue (basis in 2011) that the cereals beverage products is reformed one of direction as industry, and making the existing higher nutritive value of tea-drinking product with the seed of Job's tears has good market prospects again.Yet, it is existing that the seed of Job's tears is processed as the research of tea-drinking product is less, though existing processing method is fairly simple, raw material namely gets product through baking, cool off, pulverize, packing after cleaning, but existing production method can not utilized the local flavor characteristics of the seed of Job's tears itself well, the distinctive local flavor of the seed of Job's tears fails to demonstrate fully in the process, also fails to keep well the rich nutrient substances of the seed of Job's tears own.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of preparation method of job's tears tea powder is provided, the rich nutrient substances that the job's tears tea drink of making of this method has the distinctive local flavor of the seed of Job's tears and keeping the seed of Job's tears itself.
For achieving the above object, the present invention adopts following technical scheme:
A kind of preparation method of job's tears tea powder, this Preparation Method comprises following processing step in turn:
1) raw material soaking;
2) oven dry;
3) once roasting is fried;
4) cooling fast;
5) the secondary roasting is fried;
6) cooling;
7) pulverize;
8) packing.
Maillard reaction is called " non-enzyme browning reaction " again, it is a kind of non-enzymatic browning that extensively is present in the food industry, be the reaction between carbonyls (being recuding sugars) and amino-compound (being amino acid and protein), generate the macromolecular substances melanoidin of brown or even black or claim to intend melanocyte through complicated course is final.Maillard reaction can produce the needed or unwanted fragrance of people and color and luster, and its course of reaction and mechanism are very complicated.Part mechanism for Maillard reaction it be unclear that at present, research obtains needed fragrance and color and luster by Maillard reaction, Maillard reaction is carried out toward the direction of expectation, can only obtain method that Maillard reaction is carried out toward the direction of expectation by studying result that various differential responses conditions produce.The present invention utilizes Maillard reaction to make product obtain the fragrance of expectation just, and the final fragrance of product is mainly derived from the product of Maillard reaction.
Preferably, for being conducive to promote the carrying out of Maillard reaction, when soaking, step 1) adopt normal-temperature water to soak 1～5 hour, can make the starch gelatinization in the seed of Job's tears on the one hand, can make enzyme and starch and protein generation biochemical reaction in the seed of Job's tears seed on the other hand, thereby enzymolysis goes out reduced sugar and the free amino acids that can be used as the Maillard reaction substrate more.Soaking technology has improved reduced sugar and amino acid whose content in the seed of Job's tears, for Maillard reaction provides more reaction substrate.
Preferably, step 2) bake out temperature is 40～80 ℃, and drying time is 1～5 hour, and the moisture of the seed of Job's tears after the control oven dry is 15～30%.The reaction speed of moisture and Maillard reaction has certain relation in the seed of Job's tears, and moisture can be carried out at 10% Maillard reaction when above.Moisture is in 10～25% the scope time, and Maillard reaction speed is accelerated along with the increase of moisture.
Preferably, the temperature that the step 3) roasting is fried is 100～250 ℃, and the roasting stir-fry time is 1～20 minute.
Preferably, the cooling velocity of step 4) is 30～80 ℃/min, and seed of Job's tears raw material is cooled to 50～100 ℃.
Preferably, it is 120～300 ℃ that temperature is fried in the roasting of step 5), and the roasting stir-fry time is 1～20 minute.
Because identical reactant reacts the local flavor that produces under different temperature also different, such as: glucose and valine react under the temperature conditions of 100～150 ℃ and 180 ℃ respectively, can produce toast bread fragrance and chocolate flavor respectively.Generally Maillard reaction is very fast in 100～180 ℃ temperature range, surpasses 180 ℃ and then begins to take place caramelization.The technology that the present invention fries by once roasting stir-fry, quick cooling, secondary roasting is controlled the temperature of reacting, and makes the Maillard reaction of seed of Job's tears raw material more abundant, and fragrance is more lasting.In addition, in PH was 3～9 scope, along with the rising of PH, Maillard reaction speed rose.In the slant acidity environment, reaction rate is lower.Because under acid condition, N-grape base amine is hydrolyzed easily.And N-glucosyl group amine is the precursor object that the Maillard reaction characteristic flavor on basis forms.The seed of Job's tears is the higher cereal materials of content of starch, system PH meta-alkalescence, therefore, easier the carrying out that is beneficial to Maillard reaction.
Preferably, step 6) is nature cooling or air-dry cooling, is cooled to normal temperature.
Compared with prior art, the beneficial effect of the present invention's generation is:
The product that makes of preparation method of the present invention have that flavour is sweet and tasty, pleasant aroma, caramel and the low advantage of oily clam flavor, keep the rich nutrient substances of seed of Job's tears raw material simultaneously;
2. process is simple.
The specific embodiment
Preparation method to a kind of job's tears tea powder of the present invention is described in further detail below by specific embodiment.
Embodiment 1
Take by weighing the 10kg band shell seed of Job's tears, clean back normal temperature clear water and soaked 1 hour, moisture is advisable to flood the seed of Job's tears raw material during immersion.Drain surface moisture after the immersion, tile and send drying room oven dry 3 hours to mesh screen, the drying room temperature is 40 ℃.Once bake stir-fry after going out drying room, it is 250 ℃ that temperature is fried in roasting, and roasting was fried 1 minute.Then with the fan blowing seed of Job's tears is cooled off fast, cooling velocity is 30～80 ℃/min, and the seed of Job's tears is cooled to 80 ℃.Carry out the secondary roasting then and fry, roasting was fried 20 minutes under 120 ℃ temperature.Naturally cool to behind the normal temperature pulverize, packing namely gets the job's tears tea powder.The sensory evaluation of product the results are shown in Table 1.
Embodiment 2
Take by weighing the 10kg band shell seed of Job's tears, clean back normal temperature clear water and soaked 5 hours, moisture is advisable to flood the seed of Job's tears raw material during immersion.Drain surface moisture after the immersion, tile and send drying room oven dry 1 hour to mesh screen, the drying room temperature is 80 ℃.Once bake stir-fry after going out drying room, it is 200 ℃ that temperature is fried in roasting, and roasting was fried 8 minutes.Then with the fan blowing seed of Job's tears is cooled off fast, cooling velocity is 30～80 ℃/min, and the seed of Job's tears is cooled to 100 ℃.Carry out the secondary roasting then and fry, roasting was fried 15 minutes under 150 ℃ temperature.Blowing is pulverized after being cooled to normal temperature, packing namely gets the job's tears tea powder.The sensory evaluation of product the results are shown in Table 1.
Embodiment 3
Take by weighing the 10kg band shell seed of Job's tears, clean back normal temperature clear water and soaked 3 hours.Moisture is advisable to flood the seed of Job's tears raw material during immersion.Drain surface moisture after the immersion, tile and send drying room oven dry 5 hours to mesh screen, the drying room temperature is 50 ℃.Once bake stir-fry after going out drying room, it is 100 ℃ that temperature is fried in roasting, and roasting was fried 20 minutes.Then with the fan blowing seed of Job's tears is cooled off fast, cooling velocity is 30～80 ℃/min, and the seed of Job's tears is cooled to 50 ℃.Carry out the secondary roasting then and fry, roasting was fried 1 minute under 300 ℃ temperature.Blowing is pulverized after being cooled to normal temperature, packing namely gets the job's tears tea powder.The sensory evaluation of product the results are shown in Table 1.
Embodiment 4
Take by weighing the 10kg band shell seed of Job's tears, clean back roasting under 210 ℃ and fried 30 minutes, the pulverizing of cooling back, packing namely get product.The sensory evaluation of product the results are shown in Table 1.
Embodiment 5
Take by weighing the 10kg band shell seed of Job's tears, clean back roasting under 210 ℃ and fried 40 minutes, the pulverizing of cooling back, packing namely get product.The sensory evaluation of product the results are shown in Table 1.
The sensory evaluation result of the product of table 1 embodiment 1-5 relatively
In the last table, ★, ☆, zero, △ represent successively, better, in, differ from four class.。Abundant rice fragrance is for well in the roasting speculation-wind flavor, and rice fragrance shows but is abundant for better inadequately, and during lighter rice fragrance was, it was poor that rice fragrance does not show; Plentiful sweet taste is for well in the sweet taste, and sweet taste shows but be plentiful inadequately be better, and during light fresh and sweet flavor was, it was poor that sweet taste does not show; Roasting fire flavor caramel does not show for well, caramel shows but be lighter and be better, and caramel is denseer to be, caramel obviously, to distinguish the flavor of dense be poor; Pure thickness is evident as in the richness, and pure thickness is poor slightly to be better, during pure thickness deficiency is, does not have pure thickness for poor.By table 1 as seen, the product that makes with method of the present invention obviously is better than the local flavor of the product that traditional handicraft makes on the sense organ local flavor.
In the last table, aberration is measured according to JB/T 5595-91 standard; The size of the L value reflection roasting stir-fry degree of product, relevant with roasting fire flavor with the local flavor of product, the L value is more little, and roasting stir-fry degree is more low, and product roasting speculation-wind flavor and roasting fire flavor are more excellent.
In the last table, extract concentration is to select for use instrument Density Meter-DMA4100M to measure down at 20 ℃; Extract concentration embodies the content of soluble solid, and relevant with local flavor and the richness of product, soluble solid content is more high, and the product yield is more high, and local flavor is more apparent, and richness is more excellent.
In sum, the present invention has tangible lifting than traditional handicraft in product quality.
Above-described embodiment only is preferred embodiment of the present invention, can not limit protection scope of the present invention with this, and the variation of any unsubstantiality that those skilled in the art does on basis of the present invention and replacement all belong to protection scope of the present invention.
Claims (4)
1. the preparation method of a job's tears tea powder is characterized in that this preparation method comprises following processing step in turn:
1) band shell seed of Job's tears raw material soaking;
2) oven dry, temperature is 40～80 ℃, drying time is 1～5 hour;
3) once roasting is fried, and temperature is 100～250 ℃, and the roasting stir-fry time is 1～20 minute;
4) cooling fast;
5) the secondary roasting is fried, and temperature is 120～300 ℃, and the roasting stir-fry time is 1～20 minute;
6) cooling;
7) pulverize;
8) packing.
2. the preparation method of job's tears tea powder as claimed in claim 1 is characterized in that: adopt normal-temperature water to soak when step 1) is soaked 1～5 hour.
3. the preparation method of job's tears tea powder as claimed in claim 1, it is characterized in that: the cooling velocity of step 4) is 30～80 ℃/min, and seed of Job's tears raw material is cooled to 50～100 ℃.
4. the preparation method of job's tears tea powder as claimed in claim 1, it is characterized in that: step 6) is air-dry cooling, is cooled to normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110445572 CN102488046B (en) | 2011-12-27 | 2011-12-27 | Preparation method for Coix seed tea powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110445572 CN102488046B (en) | 2011-12-27 | 2011-12-27 | Preparation method for Coix seed tea powder |
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| CN102488046A CN102488046A (en) | 2012-06-13 |
| CN102488046B true CN102488046B (en) | 2013-07-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103652003B (en) * | 2013-11-18 | 2015-02-25 | 深圳市深宝技术中心有限公司 | Processing method of highly-baked aroma tea powder |
| CN104543727B (en) * | 2015-01-26 | 2017-09-15 | 乐占线 | Rice tea and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101477A (en) * | 1987-12-01 | 1988-06-08 | 贵州省雷山饮料食品厂 | The preparation method of " silver ball " tea |
| KR20000054238A (en) * | 2000-05-29 | 2000-09-05 | 김동원 | Manufacture method and black rice-green tea to use main stuff for black-rice |
| CN1279905A (en) * | 2000-07-11 | 2001-01-17 | 大庆市北国薏米资源有限公司 | Job's tears tea and its producing technology |
| CN1363225A (en) * | 2002-01-09 | 2002-08-14 | 贾杰 | Process for preparing tartarian buckwheet tea |
| CN1935000A (en) * | 2005-09-23 | 2007-03-28 | 杨朝生 | Method for preparing black soy bean tea |
| CN1934973A (en) * | 2005-09-23 | 2007-03-28 | 杨朝生 | Method for preparing tea of the seed of Job's tears |
-
2011
- 2011-12-27 CN CN 201110445572 patent/CN102488046B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101477A (en) * | 1987-12-01 | 1988-06-08 | 贵州省雷山饮料食品厂 | The preparation method of " silver ball " tea |
| KR20000054238A (en) * | 2000-05-29 | 2000-09-05 | 김동원 | Manufacture method and black rice-green tea to use main stuff for black-rice |
| CN1279905A (en) * | 2000-07-11 | 2001-01-17 | 大庆市北国薏米资源有限公司 | Job's tears tea and its producing technology |
| CN1363225A (en) * | 2002-01-09 | 2002-08-14 | 贾杰 | Process for preparing tartarian buckwheet tea |
| CN1935000A (en) * | 2005-09-23 | 2007-03-28 | 杨朝生 | Method for preparing black soy bean tea |
| CN1934973A (en) * | 2005-09-23 | 2007-03-28 | 杨朝生 | Method for preparing tea of the seed of Job's tears |
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