CN1270616C - Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf - Google Patents
Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf Download PDFInfo
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- CN1270616C CN1270616C CN 200310106305 CN200310106305A CN1270616C CN 1270616 C CN1270616 C CN 1270616C CN 200310106305 CN200310106305 CN 200310106305 CN 200310106305 A CN200310106305 A CN 200310106305A CN 1270616 C CN1270616 C CN 1270616C
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Abstract
The present invention discloses a freezing storage method for the water removing leaves of green tea and a method for preparing tea by freezing the water removing leaves of green tea. By the freezing storage method of water removing leaves of green tea, water removing leaves are selected as storage objects. The water ratio of the water removing leaves is from 45 to 65%. The water removing leaves are quickly frozen at a temperature of below 20 to below 70 DEG C and are stored at a temperature of below 10 to below 30 DEG C. The method for preparing tea by adopting freezing the water removing leaves of green tea comprises the following steps: (1) the frozen water removing leaves of green tea are unfrozen; (2) the water removing leaves of green tea are shaped, are baked by gross fire or are directly baked by gross fire; (3) after the water removing leaves of green tea are spread out and are cooled, the water removing leaves of green tea are dried by sufficient fire and are prepared into finished product tea. The present invention can cause green tea to effectively reserve quality components and aroma components during storage. Newly prepared excellent green tea can be supplied to a market at any time.
Description
Technical field
The present invention relates to a kind of green tea water-removing leaves storage practice and method for preparing tea.
Background technology
At present, the storage of famous green tea all is to adopt the mode that becomes to sample tea to preserve, or room temperature storage, or refrigeration (0-10 ℃) is preserved.Method is easier, but can not drink newly picked and processed tea leaves constantly, because tealeaves is a kind of seasonal agricultural product.Bright leaf storage is also unrealistic.Bright leaf is a kind of stripped biological living material, and Long-term Storage hardly may.And water-removing leaves has suppressed bioenzyme activity, so can satisfy the storage requirement.The existing oolong tea in China Taiwan is preserved in the back that completes, and sells [Zhou Wentang, tealeaves, 1997,25 (1) ,-48] with freezing tea form.Japan increases pool military male [Tea Industry research report, 1997,85 (supplementary issues) ,-68 ~ 69] just steams the blue or green tea back chilled storage that completes and carried out research, think and can preserve 3 ~ 9 months, but fragrance is preserved unfavorable.Domestic Zhang Zhengzhu etc. [Agricultural University Of Anhui's journal, 2000,27 (1) ,-161 ~ 163] study with-5 ℃ of preservations the microwave de-enzyming leaf, think and can preserve fresh leaf 2 months like this.
Summary of the invention
Preserve pattern in order to solve domestic famous green tea with the single one-tenth form of sampling tea, improve storage tea quality, the invention provides a kind of green tea water-removing leaves freezing storage method, to improve the famous green tea storage quality, and according to the market demand, be processed in good time and become to sample tea supply the market, satisfy consumption demand.
The technical solution adopted for the present invention to solve the technical problems is:
Green tea water-removing leaves chilled storage method, in the famous green tea process, get water-removing leaves and make the storage object, low temperature is preserved, it is characterized in that: with the processing that completes of famous green tea fresh leaf, kill and evenly kill thoroughly, carry out according to the specification requirement that various famous green teas complete, water-removing leaves is the semi-finished product in early stage of famous green tea processing, moisture content 45% ~ 65% is earlier-20 ℃ ~-70 ℃ quick freezings, again in-10 ℃～-30 ℃ ambient storage.
Described green tea water-removing leaves chilled storage method is characterized in that water-removing leaves moisture content 60% ~ 65%, earlier-60 ℃ ~-70 ℃ quick freezings, again in the storage down of-10 ℃～-20 ℃ environment.
Described green tea water-removing leaves chilled storage method is characterized in that water-removing leaves moisture content 50% ~ 55%, earlier-50 ℃ ~-60 ℃ quick freezings, again in the storage down of-10 ℃～-20 ℃ environment.
Described green tea water-removing leaves chilled storage method is characterized in that water-removing leaves moisture content 45% ~ 50%, earlier-20 ℃ ~-30 ℃ quick freezings, again in the storage down of-20 ℃～-30 ℃ environment.
Described green tea water-removing leaves chilled storage method is characterized in that water-removing leaves moisture content 60% ~ 65%, earlier-20 ℃ ~-30 ℃ quick freezings, again in the storage down of-20 ℃～-30 ℃ environment.
Described green tea water-removing leaves chilled storage method will be frozen even deep colling when it is characterized in that quick freezing.
Described green tea water-removing leaves chilled storage method is characterized in that adopting the storage of vacuum-packed back after the quick freezing.Every bag of 250～500g.
Adopt the method for described freezing green tea water-removing leaves tea making, it is characterized in that may further comprise the steps: (1), freezing green tea water-removing leaves thaw, (2), shaping, gross fire cure or directly gross fire cure, (3), spread cooling after, dry with sufficient fire, make to become to sample tea.
The method of the freezing green tea water-removing leaves of described employing tea making adopts when it is characterized in that thawing and slowly thaw naturally at ambient temperature, or the little firepower of use microwave thawed in 2～3 minutes or hot blast thaws.
Between water-removing leaves chilled storage storage life, because the water-removing leaves moisture content is higher, the biochemical quality composition in its inside is in frozen state substantially, so these biochemical quality compositions are in a kind of geostationary state.For fragrance ingredient,, the fragrance ingredient of famous green tea completes and drying process because mainly resulting from.The water-removing leaves chilled storage, except that the fragrance ingredient of the operation that completes had begun to take shape, the fragrance ingredient of drying process did not also produce, and they are that form with the fragrance precursor exists.These precursors are in frozen state, compare with essential oil (essential oil is volatile) to help more preserving.Before coming into the market, thaw, dry, be processed into and become to sample tea supply the market.
The invention has the beneficial effects as follows, can make famous green tea keep its biochemical quality composition and fragrance ingredient effectively at duration of storage, can be at any time to the fresh processed famous green tea of market supply.
Description of drawings
Fig. 1 is a techniqueflow chart of the present invention.
The specific embodiment
In Fig. 1, green tea water-removing leaves chilled storage:
The bright leaf (1) of green tea, water-removing leaves (2) carry out moisture content 45% ~ 65% according to the processing request of various famous green teas self.Snap frozen (3) adopts-20 ℃ ~-70 ℃ and makes the water-removing leaves quick freezing, freezes even deep colling, and chilled storage (4) temperature is-10 ℃ ~-30 ℃, adopts vacuum packaging, and reduces the luffing scope of reserve temperature as far as possible.
Adopt the tea making of freezing green tea water-removing leaves:
Thaw (5) can slowly thaw naturally at ambient temperature, favourable to the protection of color and luster, biochemical quality composition like this; Thaw and also can use the little firepower of microwave to thaw in 2 ~ 3 minutes or hot blast thaws, thawing rate is fast like this, but color and luster is had considerable influence.Before drying according to the processing request of various famous green teas, or shaping (6), or directly gross fire cures (7), spread cooling after, dry with sufficient fire (8), make and become to sample tea (9), the packing list marketing.
1, the water-removing leaves moisture content 60% ~ 65%, earlier-60 ℃ ~-70 ℃ quick freezings, again in the storage down of-10 ℃～-20 ℃ environment.
2, the water-removing leaves moisture content 50% ~ 55%, earlier-50 ℃ ~-60 ℃ quick freezings, again in the storage down of-10 ℃～-20 ℃ environment.
3, the water-removing leaves moisture content 45% ~ 50%, earlier-20 ℃ ~-30 ℃ quick freezings, again in the storage down of-20 ℃～-30 ℃ environment.
4, the water-removing leaves moisture content 60% ~ 65%, earlier-20 ℃ ~-30 ℃ quick freezings, again in the storage down of-20 ℃～-30 ℃ environment.
Claims (4)
1. green tea water-removing leaves chilled storage method, in the famous green tea process, get water-removing leaves and make the storage object, low temperature is preserved, it is characterized in that: water-removing leaves is the semi-finished product in early stage of famous green tea processing, moisture content 45%～65%, earlier in-20 ℃＞temperature 〉=-70 ℃ quick freezing, again in-10 ℃～-30 ℃ ambient storage.
2. green tea water-removing leaves chilled storage method according to claim 1 is characterized in that:
(1), water-removing leaves moisture content 60%～65%, earlier-60 ℃～-70 ℃ quick freezings, again in the storage down of-10 ℃～-20 ℃ environment; Perhaps
(2), water-removing leaves moisture content 50%～55%, earlier-50～-60 ℃ of quick freezings, again in the storage down of-10 ℃～-20 ℃ environment; Perhaps
(3), water-removing leaves moisture content 45%～50%, earlier-20 ℃～-30 ℃ quick freezings, again in the storage down of-20 ℃～～-30 ℃ environment.
3. green tea water-removing leaves chilled storage method according to claim 1 will be frozen even deep colling when it is characterized in that quick freezing.
4. green tea water-removing leaves chilled storage method according to claim 1 is characterized in that wanting the storage of vacuum-packed back after the quick freezing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106305 CN1270616C (en) | 2003-11-12 | 2003-11-12 | Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310106305 CN1270616C (en) | 2003-11-12 | 2003-11-12 | Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf |
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| Publication Number | Publication Date |
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| CN1543827A CN1543827A (en) | 2004-11-10 |
| CN1270616C true CN1270616C (en) | 2006-08-23 |
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| CN 200310106305 Expired - Fee Related CN1270616C (en) | 2003-11-12 | 2003-11-12 | Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785022B (en) * | 2005-12-07 | 2011-05-11 | 湖北新桥生物科技有限责任公司 | Freeze-drying processing method for green-tea |
| CN101940245B (en) * | 2010-07-05 | 2012-07-11 | 赵景辉 | Schizandra leaf tea and preparation method thereof |
| CN102100264A (en) * | 2011-04-09 | 2011-06-22 | 中国农业科学院茶叶研究所 | Method of green tea processing and green keeping |
| CN103070256B (en) * | 2013-01-25 | 2014-06-25 | 漳州科技职业学院 | Processing method for delaying production peak of oolong |
| CN104904888A (en) * | 2015-06-24 | 2015-09-16 | 许诚 | Quaternary partial freezing pressing process of tea |
| CN105660909A (en) * | 2015-09-09 | 2016-06-15 | 宜宾川红茶业集团有限公司 | Processing method of cold water brewing jasmine green tea |
| CN105379867B (en) * | 2015-11-20 | 2019-11-19 | 浙江万泰元茶业有限公司 | The ecological Longjing tea and its frying production method that a kind of color is green, perfume is strongly fragrant, sweet in flavor, shape is beautiful |
| CN106306136A (en) * | 2016-08-24 | 2017-01-11 | 宜宾川红茶业集团有限公司 | Processing method for black tea rich in honey lemon fragrance |
| CN109007529A (en) * | 2018-09-05 | 2018-12-18 | 安徽农业大学 | A kind of Lu`an Guapian.Tea protects green fresh-keeping storage method |
| CN110959716A (en) * | 2019-11-22 | 2020-04-07 | 北京农业职业学院 | Sweet potato leaf green tea preparation method and sweet potato leaf green tea |
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Owner name: ANHUI TOPFOND TEA INDUSTRY (GROUP) CO., LTD. Free format text: FORMER OWNER: TEA INSTITUTE, ANHUI ACADEMY OF AGRICULTURAL SCIENCES Effective date: 20070420 |
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Effective date of registration: 20070420 Address after: 245600, No. 22, Qiu Pu Dong Road, Shitai County, Anhui Province Patentee after: Anhui Tianfang Tea Group Co., Ltd. Address before: 245600 No. 1 South Wenfeng Road, Qimen County, Anhui Patentee before: Tea Research Institute, Anhui Academy of Agricultural Sciences |
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Granted publication date: 20060823 Termination date: 20131112 |