CN104431092A - Method for preparing instant powder - Google Patents
Method for preparing instant powder Download PDFInfo
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- CN104431092A CN104431092A CN201410637122.1A CN201410637122A CN104431092A CN 104431092 A CN104431092 A CN 104431092A CN 201410637122 A CN201410637122 A CN 201410637122A CN 104431092 A CN104431092 A CN 104431092A
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Abstract
The invention discloses a method for preparing instant powder. The method comprises the following steps: extracting, namely adding water to tea leaves and then heating or directly adding hot water, soaking, and filtering out the tea leaves, so as to obtain a tea extracting liquid; concentrating, namely concentrating at room temperature by using a reverse osmosis method to keep the fragrance of the extracting liquid so as to obtain a concentrated liquor of which the solid matter content accounts for over 5% of the mass of the extracting liquid; gas mixing and freezing, which include a gas mixing process and a freezing process of the concentrated liquor, namely mixing the gas before and when the concentrated liquor is frozen; and freeze drying, namely crushing and pelleting, and then freeze-drying in vacuum, or pelleting after freeze-drying in vacuum. According to the method for preparing the instant powder disclosed by the invention, the powder can be rapidly dissolved in cold water or hot water without stirring; and the powder is good in taste, smell and appearance.
Description
Technical field
The present invention relates to a kind of instant powder, specifically, relate to a kind of mouthfeel, outward appearance is good, have the manufacture method of the instant powder of green tea fragrance.
Background technology
The drink that Cha Shi China is traditional, for thousands of years not only China emperor or the common people are drinking, and be transmitted to the world and develop, because tea is natural green food, excellent in color, dark liking by the people of the world.The present rhythm of life of people is more and more faster, in order to reduce tea-making time, replaces traditional tealeaves with instant powder.
At present, common instant powder generally adopts vacuum freeze-drying method dry, and the powder obtained loses fragrant, and dissolves hardly in cold water, needs to stir in the hot water just solubilized, can not reach instant effect.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, solve the problem that instant powder needs hot water stirs to dissolve, provide a kind of manufacture method of instant powder, and maintain original fragrance, there is better mouthfeel and fragrance.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A manufacture method for instant powder, comprises the following steps:
1) extract: carry out add water in tealeaves after heating or directly adding hot water, filter after soaking, elimination tealeaves, obtains tea extract;
2) concentrated: to utilize and return the method for oozing, at room temperature concentrate, to keep the fragrance of extract, be concentrated into solid content and reach more than 5% mass fraction of described extract, obtain concentrate;
3) mixed air cooling is frozen: the air mixing process and the freezing process that comprise described concentrate, mixed gas before concentrate freezes or in the process freezed;
4) freeze drying: carry out pulverizing granulation, then carries out vacuum freeze drying; Or after vacuum freeze drying, carry out granulation.
Further, described solid content is the 10-30% mass fraction of described extract, and solid content is too low, mixed air cooling can be made to freeze and be difficult to carry out, and yield poorly; Solid content is too high, and the dissolubility of last product can be made poor.
Further, in step 2) in, add the tea powder of the 0.1-20% mass fraction of described extract in described extract, so both can control the content of solid content, and the mouthfeel of instant powder and outward appearance can be strengthened and outward appearance is better.
Further, in step 2) in, also add dimethyl sulfide in described extract, the addition of described dimethyl sulfide is the 30-60mg/100g of described tea powder.
Further, step 3) described in mixed gas be chilled in the boiling temperature of dimethyl sulfide under carry out, to prevent the volatilization of dimethyl sulfide.
Further, step 3) in, the content freezing rear bubble must reach more than 10% volume, otherwise affects the dissolubility of powder, and more specifically, the relation with contents of solid content and bubble is as shown in table 1.
The relation with contents of table 1 solid content and bubble:
(×: represents that powder not exclusively dissolves, √: represent that powder dissolves completely)
Step 3) in, higher than the green tea concentrated liquid of 5% mass fraction, mixed air cooling is carried out to solid content and freezes, be mixed into 10% with the bubble of upper volume; Solid content, higher than 10%, is mixed into 10% with the bubble of upper volume; Solid content, higher than 20%, is mixed into 20% with the bubble of upper volume; Solid content, higher than 25%, is mixed into 30% with the bubble of upper volume; Solid content, higher than 30%, is mixed into 40% with the bubble of upper volume.
Further, step 4) pulverize time produce micropowder again in step 3) add concentrate, to recycle.
Compared with prior art, the invention has the beneficial effects as follows:
The manufacture method of a kind of instant powder of the present invention, powder can dissolve rapidly in cold water or hot water, without the need to stirring; And powder mouthfeel and smell and outward appearance is good.
Detailed description of the invention
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Embodiment 1:
Green tea 1kg is put in 10kg water, heating leaching was extruded with extruder after 30 minutes, obtain the extract that solid content constituent concentration is 1.5% quality, then carry out reverse osmosis membrane to concentrate, reaching solid content is 20% mass fraction, continuous charge is infiltrated the content that bubble reaches foam and is reached 40% volume, put it in freezer and freeze, pulverize granulation, vacuum freeze drying obtains green tea powder, getting green tea powder adds in cold water and hot water respectively, and both all without the need to stirring, dissolve quickly completely.
Embodiment 2
Green tea 10kg is put in 100kg water, leach and extrude with extruder after 30 minutes, obtain the extract that solid content constituent concentration is 2.0% quality, concentrate by reverse osmosis membrane concentration method, it is 20% quality that solid content reaches content, the green tea powder of 0.1kg is added in the green tea concentrated liquid of 10kg, continuous charge is infiltrated the content that bubble reaches foam and is reached 40% volume, put it in freezer and freeze, pulverize granulation, vacuum freeze drying obtains green tea powder, get in green tea powder hot water, rapid powder dissolution, and mouthfeel is good, there is the smell of delicate fragrance, identical with the taste directly soaking green tea, the cup end, has tea-leaf power to precipitate.
Embodiment 3
In the concentrate of 2kg containing solid content 20% quality, add 200mg dimethyl sulfide, all the other are identical with embodiment 2, obtain green tea powder.Tea powder obtained in this way has better mouthfeel and fragrance compared with embodiment 2.
Therefore, the tea-leaf power of existing vacuum freeze drying gained, needing to add thermal agitation could dissolve, and the tea-leaf power that the present invention obtains dissolves rapidly in the hot water, does not also need to stir in cold water, dissolves very soon.
In addition, the instant powder mouthfeel fragrance that the present invention obtains is good, has good outward appearance.
Last it is noted that these are only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a manufacture method for instant powder, is characterized in that, comprises the following steps:
1) extract: carry out add water in tealeaves after heating or directly adding hot water, filter after soaking, elimination tealeaves, obtains tea extract;
2) concentrated: to utilize and return the method for oozing, at room temperature concentrate, to keep the fragrance of extract, be concentrated into solid content and reach more than 5% mass fraction of described extract, obtain concentrate;
3) mixed air cooling is frozen: the air mixing process and the freezing process that comprise described concentrate, mixed gas before concentrate freezes or in the process freezed;
4) freeze drying: carry out pulverizing granulation, then carries out vacuum freeze drying; Or after vacuum freeze drying, carry out granulation.
2. the manufacture method of a kind of instant powder according to claim 1, is characterized in that, described solid content is the 10-30% mass fraction of described extract.
3. the manufacture method of a kind of instant powder according to claim 1, is characterized in that, in step 2) in, add the tea powder of the 0.1-20% mass fraction of described extract in described extract.
4. the manufacture method of a kind of instant powder according to claim 2, is characterized in that, in step 2) in, also add dimethyl sulfide in described extract, the addition of described dimethyl sulfide is the 30-60mg/100g of described tea powder.
5. the manufacture method of a kind of instant powder according to claim 4, is characterized in that, step 3) described in mixed gas be chilled in the boiling temperature of dimethyl sulfide under carry out.
6. the manufacture method of a kind of instant powder according to claim 1, is characterized in that, step 3) in, the content freezing rear bubble must reach more than 10% volume.
7. the manufacture method of a kind of instant powder according to claim 1, is characterized in that, step 3) in, higher than the green tea concentrated liquid of 5% mass fraction, mixed air cooling is carried out to solid content and freezes, be mixed into 10% with the bubble of upper volume; Solid content, higher than 10%, is mixed into 10% with the bubble of upper volume; Solid content, higher than 20%, is mixed into 20% with the bubble of upper volume; Solid content, higher than 25%, is mixed into 30% with the bubble of upper volume; Solid content, higher than 30%, is mixed into 40% with the bubble of upper volume.
8. the manufacture method of a kind of instant powder according to claim 1, is characterized in that, step 4) pulverize time produce micropowder again in step 3) add concentrate, to recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637122.1A CN104431092A (en) | 2014-11-11 | 2014-11-11 | Method for preparing instant powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637122.1A CN104431092A (en) | 2014-11-11 | 2014-11-11 | Method for preparing instant powder |
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| CN104431092A true CN104431092A (en) | 2015-03-25 |
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| CN201410637122.1A Pending CN104431092A (en) | 2014-11-11 | 2014-11-11 | Method for preparing instant powder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454964A (en) * | 2015-07-03 | 2016-04-06 | 洛阳新巨能高热技术有限公司 | Instant powder beverage and preparation method thereof |
| CN106110856A (en) * | 2016-08-02 | 2016-11-16 | 保护伞环保科技成都有限公司 | A kind of except formaldehyde purifying agent |
| CN106178384A (en) * | 2016-08-02 | 2016-12-07 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger |
| CN106215645A (en) * | 2016-08-02 | 2016-12-14 | 保护伞环保科技成都有限公司 | A kind of for ornament materials with the formaldehyde scavenger of polymerization sheet |
| CN106268267A (en) * | 2016-08-02 | 2017-01-04 | 保护伞环保科技成都有限公司 | A kind of except formaldehyde air purifying preparation |
| CN106345096A (en) * | 2016-08-02 | 2017-01-25 | 保护伞环保科技成都有限公司 | Long-acting formaldehyde scavenging agent |
| WO2021065719A1 (en) * | 2019-09-30 | 2021-04-08 | サントリーホールディングス株式会社 | Solid composition containing dimethyl sulfide and dextrin |
-
2014
- 2014-11-11 CN CN201410637122.1A patent/CN104431092A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454964A (en) * | 2015-07-03 | 2016-04-06 | 洛阳新巨能高热技术有限公司 | Instant powder beverage and preparation method thereof |
| CN106110856A (en) * | 2016-08-02 | 2016-11-16 | 保护伞环保科技成都有限公司 | A kind of except formaldehyde purifying agent |
| CN106178384A (en) * | 2016-08-02 | 2016-12-07 | 保护伞环保科技成都有限公司 | A kind of formaldehyde scavenger |
| CN106215645A (en) * | 2016-08-02 | 2016-12-14 | 保护伞环保科技成都有限公司 | A kind of for ornament materials with the formaldehyde scavenger of polymerization sheet |
| CN106268267A (en) * | 2016-08-02 | 2017-01-04 | 保护伞环保科技成都有限公司 | A kind of except formaldehyde air purifying preparation |
| CN106345096A (en) * | 2016-08-02 | 2017-01-25 | 保护伞环保科技成都有限公司 | Long-acting formaldehyde scavenging agent |
| WO2021065719A1 (en) * | 2019-09-30 | 2021-04-08 | サントリーホールディングス株式会社 | Solid composition containing dimethyl sulfide and dextrin |
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Application publication date: 20150325 |