CN102626151A - Ginkgo leaf extraction technology and processing method of ginkgo green tea - Google Patents
Ginkgo leaf extraction technology and processing method of ginkgo green tea Download PDFInfo
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- CN102626151A CN102626151A CN2012101045890A CN201210104589A CN102626151A CN 102626151 A CN102626151 A CN 102626151A CN 2012101045890 A CN2012101045890 A CN 2012101045890A CN 201210104589 A CN201210104589 A CN 201210104589A CN 102626151 A CN102626151 A CN 102626151A
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Abstract
The invention discloses a ginkgo leaf extraction technology and a processing method of ginkgo green tea. The ginkgo leaf extraction technology is characterized by comprising the steps of: extracting ginkgo leaves to obtain a concentrated liquid; then mixing the concentrated liquid with the green tea to form the ginkgo green tea, wherein the mass ratio of the ginkgo leaf concentrated liquid to the green tea is 1: (20-30). The processing method of the ginkgo green tea, disclosed by the invention, comprises the steps of: spraying the ginkgo leaf juice on the green tea uniformly according to a proportion to enable the ginkgo leaf juice to be absorbed fully and uniformly; drying at a constant temperature of 55+/-2 DEG C to enable a moisture content to be less than 5%; and vacuum-packaging to obtain ginkgo green tea products. The method also can comprise the steps of: crushing the green tea into shreds of 10-30 meshes; mixing with the ginkgo leaf juice according to a proportion and enabling the ginkgo leaf juice to be absorbed fully and uniformly; drying at a constant temperature of 50+/-2 DEG C to enable the moisture content to be less than 4%; and filling the tea by using teabag packaging paper to form the ginkgo green teabag products with each teabag of 3.0-5.0 g. The ginkgo green tea produced by the processing method disclosed by the invention not only keeps the flavor and quality of the traditional green tea, but also enables components of the ginkgo leaves to be utilized more effectively; the tea liquid is clean as well as transparent and full-bodied in tea aroma and has no bad peculiar smell.
Description
Technical field
The present invention relates to a kind of extraction of ginkgo leaf and the processing method of gingko green tea, the especially a kind of extraction process of ginkgo leaf and the processing method of gingko green tea.
Background technology
The medicines and health protection of ginkgo leaf is worth and is disclosed by Chinese scholars; Ginkgo leaf contains more than 20 kind of flavone compound; Its content greater than 24%, mainly contains ginkgo diketone (Cinkgetin), different ginkegetin (So ginkgetin), bilobetin (Bilobetin) in total extract.Also contain the terpene lactones compound in the ginkgo leaf, diterpenoid-lactone mainly contains ginkgolides (Ginkgolide) A, B, C, M, J etc., and sesquiterpene lactone is Bilobalide (Bilobalide).In addition, also contain phenols, 25 kinds of beneficial elements, 17 seed amino acids, alkaloid etc.Modern study has the cardio and vascular function of improvement, relievings asthma, coronary artery dilating, resisting myocardial ischemia, hemangiectasis, step-down, anti-platelet activating factor, inhibition platelet aggregation, delay senility, raise immunity, improve learning and memory function, anti-inflammatory, protect the liver, fall the blood ester, effect such as anticancer.Modern Application is used as treatment of diseases agent such as coronary heart disease, cerebral apoplexy, hyperlipidemia, diabetes, bronchial astehma, chronic bronchitis, effect obviously (Shen Yingjun waits the pharmacology of Chinese materia medica People's Health Publisher, 2006,1040-1047).Medical science men's clinical trial at present both at home and abroad proves, and ginkgo leaf health care tea is the new type of health tea of treating the cerebrovascular and cardiovascular artery sclerosis, hypertension, diabetes, senile dementia.
Tealeaves; Along with science and technology development, particularly since the seventies in last century, Japan and the United States and China have carried out the research of a large amount of tealeaves to the health care of human body; Especially since the later stage eighties; Multi-disciplinary intersection and infiltration make the health-care efficacy research of tealeaves get into a leap, obtain many breakthrough achievements, and are following the scale pattern of an ex vivo experiment-in vivo experiment-clinical trial-epidemiological study.These important achievement have: tealeaves is to the inhibition (1975 of propagation of cancer cells; 1979); Preventing decayed tooth (1981); Antioxidation (1983); Anti-platelet aggregation (1983); Active anticancer (1984); Hypotensive (1985); Reducing blood lipid (1985); Antiulcer (1987); Suppress AIDS (HIV virus) (1990); Antiallergy (1990); Resisiting influenza virus (1990); Clear and definite tealeaves does not have carcinogenesis (1991); Liver protecting (1992); Improve intestine immunity (1992); Anti-asthma (1990).
The chemical composition that exists in the tealeaves, of a great variety, found kind more than 400, just human body is had obvious health care effect, can be divided into organic principle, comprise other joint compounds such as Tea Polyphenols, vitamin, amino acid, pigment and lipopolysaccharides, caffeine; Another kind of is the inorganic constituents of tealeaves, i.e. mineral element comprises in tealeaves, all having the various trace elements of needed by human.Trace element has caused tea science man and even medical science man's attention to the effect that health produces in the tealeaves.
Tea Polyphenols is the compound with phenol property chemical constitution that is present in tea; Found kind more than 30; Wherein catechin accounts for about 70% of Tea Polyphenols total amount, is not only one of main body of tealeaves flavour quality component, and is the important component why tealeaves has health care.Tealeaves contained vitamin kind is quite a lot of, as human body day the replenishing of requirement, is more satisfactory, and particularly vitamin C and content of vitamin E are quite abundant, all have anti-ageing and oxidation resistant effect.
Free radical is the arch-criminal who threatens human health, and the catechu in the Tea Polyphenols have the good effects of removing free radical, and tea is big right plant product, is desirable health beverages.Prove further that according in recent years clinic study that the catechin in the Tea Polyphenols has is anti-oxidant, radiation proof, lipopenicillinase, anticancer, anti-ageing and other effects.
Green tea is that polyphenol content keeps the highest tealeaves in each teas; Generally remain with the 85%-90% of the bright leaf Polyphenols of tea; Content is about 25%; The catechin and the antioxidant vitamins that contain volume in the green tea like vitamin C, vitamin E and beta carotene etc., have prophylaxis of cancer and the effect that delays senility.And the antioxidation of green tea is nearly 20 times of vitamin E, can reduce oxygen production, effectively removes free radical, and the prevention geriatric disease is had suitable help.Research confirms that green tea also can suppress food preservative-nitrite and change carcinogen at human body, can suppress microsome ferment system and carcinogenic effect, stops the carrying out of cancer process, for benefiting of prophylaxis of cancer.Green tea also helps to reduce fat, and except receiving the effect of fat-reducing, more can improve angiocardiopathy, suppresses blood sugar and rises, and reduces cholesterol and suppresses hypertension.Particularly green tea has significant antibacterial functions, can have the sterilization inhibitory action to human harmful bacteria and virus to many kinds.Tea Polyphenols class material not only can kill harmful bacterium, and can play activation to intestinal beneficial bacterium streptococcus lactis and Bacillus acidi lactici, thereby improves the situation of intestinal flora.Research shows that the active principle in the tealeaves has the effect that promotes growth and propagation to Bifidobacterium.In addition, caffeine in the tealeaves, theophylline, theobromine can excited blood motion maincenters, and directly diastole kidney blood vessel increases the renal blood flow amount, thereby increases the filterability of glomerulus, plays diuretic effect.
The health protection tea that single ginkgo leave tea of the prior art or ginkgo leaf and tealeaves assembly and ginkgo leaf and other useful raw material assembly things are prepared into; Ubiquity has been ignored the effect of utilizing of effective component of ginkgo leaf; The result causes its product weak effect; Be difficult to reach the anticipation effect, thereby influenced consumer's cognition degree, be difficult to promote.Trace it to its cause, the one, ginkgo leaf since growth period its cell membrane, the continuous lignifying of cell membrane, plucking time is different; Its quality is widely different; Main component in the ginkgo leaf is the bilobanone compound, the lactone compound that wherein contain, gathers organic principles such as isoamyl alcohol and polysaccharides from ginkgo biloba besides, process tea after, simple boiling water soaks; Being difficult to its fat-soluble active ingredient is leached, is to cause drinking the unfavorable main cause of back effect.The 2nd, existing processing technology is unreasonable, only is simple method for preparing tea, is difficult to reach the medical curative effect of ginkgo leaf, can not realize the medical value of existing ginkgo leave tea.
A kind of trophism health protection tea of the composite composition of ginkgo leaf and green tea; Can make the elderly in drinking tea, obtain health-care efficacy; Be the new type of health tea of the control cerebrovascular and cardiovascular artery sclerosis, hypertension, senile dementia, simultaneously to promoting human body metabolism, enhancing body immunity; Reduce serum cholesterol, delay body aging and have good health-care effect.
Summary of the invention
The object of the present invention is to provide the processing method of a kind of ginkgo leaf extraction process and gingko green tea; This technology and method be with ginkgo leaf through extract inspissated juice; Be mixed with gingko green tea with green tea again, the mass ratio that its ginkgo leaf extracts inspissated juice and green tea is 1:20 ~ 30.Purpose is to make effective component of ginkgo leaf to be fully used, performance ginkgo leaf and the better effect of green tea.
The objective of the invention is to realize through following manner:
A kind of ginkgo leaf extraction process of the present invention is characterized in that the procedure of processing according to following order:
(1) dry Folium Ginkgo is ground into 450～650 order fine powders;
(2) get the ginkgo leaf fine powder, the concentration that adds 20～30 times of ginkgo leaf quality is that 35～55% ethanol mixes, and soaks more than 4 hours; Heated and stirred is extracted 2 times; Collect extract and filter with 350 order industrial filter cloths, filtrating is collected supernatant through the centrifugal 15min of 8000～10000r/ min;
(3) the centrifugal gained supernatant of learning from else's experience, with the smart filter of 0.22 μ m miillpore filter, smart filtrating;
(4) get smart filtrating, decompression recycling ethanol is concentrated into 10g and gives birth to dry Folium Ginkgo/ml inspissated juice (being that every 1ml inspissated juice is equivalent to the living dry Folium Ginkgo of 10g), and is subsequent use.
Heated and stirred described in the above-mentioned steps (2) is extracted, and temperature is 45～65 ℃, and speed of agitator is 25～45 rpm.
The extraction that is provided with in the above-mentioned steps (2) 2 times, being respectively is 3.5h for the first time, is 2.5h for the second time.
A kind of processing method of gingko green tea is to utilize above-mentioned prepared ginkgo leaf inspissated juice and green tea to process through following steps:
(1) proportioning: ginkgo leaf inspissated juice and green tea are 1:20～30 by mass ratio;
(2) absorption: to green tea, room temperature was stacked 3 hours, let it fully adsorb evenly with ginkgo leaf inspissated juice even spraying;
(3) drying: adopt 55 ℃ ± 2 ℃ constant temperature will adsorb green tea dry by the fire to water content below 5%, the gingko green tea raw material gets product;
(4) packing: the gingko green tea raw material is vacuum-packed with aluminium foil bag, promptly get the gingko green tea finished product.
Above-mentioned described green tea, the finished product green tea that can buy for market.
A kind of processing method of gingko green tea also can be to utilize above-mentioned prepared ginkgo leaf inspissated juice and green tea to process through following steps.
(1) pulverizes: green tea is pulverized into the broken end of 10～30 orders; (2) proportioning: is 1:20～30 with ginkgo leaf inspissated juice and green tea by mass ratio; (3) absorption: to the broken end of green tea, room temperature was stacked 2 hours, let it fully adsorb evenly with ginkgo inspissated juice even spraying; (4) drying: adopt 50 ℃ ± 2 ℃ constant temperature will adsorb the green tea end dry by the fire to water content below 4%, the gingko green tea raw material gets product; (5) packing: the gingko green tea raw material is packaged into the tea in bag of every bag of 3.0～5.0g with the tea in bag wrapping paper, promptly gets gingko green tea tea in bag finished product.
Above-mentioned described green tea, the finished product green tea that can buy for market.
Beneficial effect:
The present invention compared with prior art, its ginkgo leaf can effectively keep the active ingredient of ginkgo leaf to greatest extent through extracting, and more is of value to the raising product efficacy.Its finished product had both kept traditional green tea local flavor and quality, simultaneously the composition of ginkgo leaf was used more effectively, and the tea liquid that brews is as clear as crystal, and tea is aromatic strongly fragrant, does not have any smell.With the packing of tea in bag form, carry and drink conveniently, be a kind of house, all suitable health beverages of travelling.Product processing technique is advanced, and suitability for industrialized production can be satisfied the market demand that the cardio-cerebrovascular disorder crowd uses this product.
Specific embodiment
Embodiment 1
The ginkgo leaf extraction process:
(1) gets dry Folium Ginkgo and be ground into 450 order fine powders; (2) getting 10 kilograms of addings of ginkgo leaf fine powder concentration is 200 kilograms of 35% ethanol, mixes, and soaks after 6 hours; Heat 65 ℃, it is 45rpm that rotating speed is set, and stirs and extracts secondary; Be respectively and extract 3.5h for the first time, extract 2.5h for the second time, merge extract; Filter with 350 order industrial filter cloths, filtrating gets supernatant through the centrifugal 15min of 8000r/min; (3) get supernatant with the smart filter of 0.22 μ m miillpore filter, get smart filtrating; (4) get smart decompression filtrate recycling ethanol, be concentrated into 10g and give birth to dry Folium Ginkgo/ml inspissated juice, subsequent use.
Embodiment 2
(1) gets dry Folium Ginkgo and be ground into 550 order fine powders; (2) getting 10 kilograms of ginkgo leaf fine powders, to add concentration be 300 kilograms of 45% ethanol, mixes, and soaks after 5 hours; Heat 55 ℃, it is 35rpm that rotating speed is set, and stirs and extracts secondary; Be respectively and extract 3.5h for the first time, extract 2.5h for the second time, merge extract; Filter with 350 order industrial filter cloths, filtrating gets supernatant through the centrifugal 15min of 10000r/min; (3) get supernatant with the smart filter of 0.22 μ m miillpore filter, get smart filtrating; (4) get smart decompression filtrate recycling ethanol, be concentrated into 10g and give birth to dry Folium Ginkgo/ml inspissated juice, subsequent use.
Embodiment 3
(1) gets dry Folium Ginkgo and be ground into 650 order fine powders; (2) getting 10 kilograms of ginkgo leaf fine powders, to add concentration be 250 kilograms of 55% ethanol, mixes, and soaks after 4 hours; Heat 45 ℃, it is 25rpm that rotating speed is set, and stirs and extracts secondary; Be respectively and extract 3.5h for the first time, extract 2.5h for the second time, merge extract; Filter with 350 order industrial filter cloths, filtrating gets supernatant through the centrifugal 15min of 9000r/min; (3) get supernatant with the smart filter of 0.22 μ m miillpore filter, get smart filtrating; (4) get smart decompression filtrate recycling ethanol, be concentrated into 10g and give birth to dry Folium Ginkgo/ml inspissated juice, subsequent use.
Embodiment 4
Measure embodiment 1 gained ginkgo leaf inspissated juice 1L and cooperate with green tea 20kg, and with ginkgo leaf inspissated juice even spraying to green tea, fully behind the mix; Room temperature was stacked 3 hours; Let its absorption evenly, adopts 55 ℃ ± 2 ℃ freeze-day with constant temperature dry to water content less than 5%, must finished product gingko green tea raw material after; Vacuum-packed with aluminium foil bag, promptly get the gingko green tea finished product.
Embodiment 5
Measure embodiment 2 gained ginkgo leaf inspissated juice 1L and cooperate with green tea 25kg, and with ginkgo leaf inspissated juice even spraying to green tea, fully behind the mix; Room temperature is stacked and was let its absorption evenly in 3 hours; Adopt 55 ℃ ± 2 ℃ freeze-day with constant temperature, dry to water content less than 5%, behind the finished product gingko green tea raw material; Vacuum-packed with aluminium foil bag, promptly get the gingko green tea finished product.
Embodiment 6
Measure embodiment 3 gained ginkgo leaf inspissated juice 1L and cooperate with green tea 30kg, and with ginkgo leaf inspissated juice even spraying to green tea, fully behind the mix; Room temperature is stacked and was let its absorption evenly in 3 hours; Adopt 55 ℃ ± 2 ℃ freeze-day with constant temperature, dry to water content less than 5%, behind the finished product gingko green tea raw material; Vacuum-packed with aluminium foil bag, promptly get the gingko green tea finished product.
Embodiment 7
(1) pulverizes: get green tea earlier and pulverize into the broken end of 10 orders; (2) proportioning: measure embodiment 1 gained ginkgo leaf concentrate 1L and cooperate with green tea end 20kg; (3) absorption: to the broken end of green tea, room temperature is stacked and was let it fully adsorb evenly in 2 hours with ginkgo leaf inspissated juice even spraying; (4) drying: adopt 50 ℃ ± 2 ℃ freeze-day with constant temperature, dry to water content less than 4%, finished product gingko green tea raw material; (5) packing: the gingko green tea raw material is packaged into the tea in bag of every bag of 3.0g with the tea in bag wrapping paper, promptly gets gingko green tea tea in bag finished product.
Embodiment 8
(1) pulverizes: get green tea earlier and pulverize into the broken end of 20 orders; (2) proportioning: measure embodiment 2 gained ginkgo leaf inspissated juice 1L and cooperate with green tea end 25kg; (3) absorption: to the broken end of green tea, room temperature is stacked and was let it fully adsorb evenly in 2 hours with ginkgo leaf inspissated juice even spraying; (4) drying: adopt 50 ℃ ± 2 ℃ freeze-day with constant temperature, dry to water content less than 4%, finished product gingko green tea raw material; (5) packing: the gingko green tea raw material is packaged into the tea in bag of every bag of 5.0g with the tea in bag wrapping paper, promptly gets gingko green tea tea in bag finished product.
Embodiment 9
(1) pulverizes: get green tea earlier and pulverize into the broken end of 30 orders; (2) proportioning: measure embodiment 3 gained ginkgo leaf concentrate 1L and cooperate with green tea end 30kg; (3) absorption: to the broken end of green tea, room temperature is stacked and was let it fully adsorb evenly in 2 hours with ginkgo leaf inspissated juice even spraying; (4) drying: adopt 50 ℃ ± 2 ℃ freeze-day with constant temperature, dry to water content less than 4%, finished product gingko green tea raw material; (5) packing: the gingko green tea raw material is packaged into the tea in bag of every bag of 5.0g with the tea in bag wrapping paper, promptly gets gingko green tea tea in bag finished product.
Claims (7)
1. the processing method of ginkgo leaf extraction process and gingko green tea is characterized in that: be earlier with ginkgo leaf through extract inspissated juice, be mixed with gingko green tea with green tea again, its characteristic is that also the mass ratio of ginkgo leaf inspissated juice and green tea is 1:20～30.
2. a kind of ginkgo leaf extraction process according to claim 1 is characterized in that processing according to the procedure of processing of following order: (1) is ground into 450～650 order fine powders with dry Folium Ginkgo; (2) get the ginkgo leaf fine powder, the concentration that adds 20～30 times of ginkgo leaf quality is that 35～55% ethanol mixes, and soaks more than 4 hours; Heated and stirred is extracted 2 times; Collect extract and filter with 350 order industrial filter cloths, filtrating is collected supernatant through the centrifugal 15min of 8000～10000r/ min; (3) the centrifugal gained supernatant of learning from else's experience, with the smart filter of 0.22 μ m miillpore filter, smart filtrating; (4) get smart filtrating, decompression recycling ethanol is concentrated into 10g and gives birth to dry Folium Ginkgo/ml inspissated juice (being that every 1ml inspissated juice is equivalent to the living dry Folium Ginkgo of 10g).
3. extract according to the heated and stirred described in the procedure of processing of claim 2, it is characterized in that heating-up temperature is 45～65 ℃, speed of agitator is 25～45rpm.
4. extract 2 times according to the heated and stirred described in the procedure of processing of claim 2, it is characterized in that: being respectively to be 3.5h for the first time, is 2.5h for the second time.
5. the processing method of a kind of gingko green tea according to claim 1, it is characterized in that processing through following steps: (1) proportioning: ginkgo leaf inspissated juice and green tea are 1:20～30 by mass ratio; (2) absorption: to green tea, room temperature was stacked 3 hours, let it fully adsorb evenly with ginkgo leaf inspissated juice even spraying; (3) drying: adopt 55 ℃ ± 2 ℃ constant temperature will adsorb green tea dry by the fire to water content below 5%, the gingko green tea raw material gets product; (4) packing: the gingko green tea raw material is vacuum-packed with aluminium foil bag, promptly get the gingko green tea finished product.
6. according to the processing method of claim 1 and 5 described a kind of gingko green teas, it is characterized in that be to process through following steps: pulverize (1): green tea is pulverized into the broken end of 10～30 orders; (2) proportioning: is 1:20～30 with ginkgo leaf inspissated juice and green tea by mass ratio; (3) absorption: to the broken end of green tea, room temperature was stacked 2 hours, let it fully adsorb evenly with ginkgo inspissated juice even spraying; (4) drying: adopt 50 ℃ ± 2 ℃ constant temperature will adsorb the green tea end dry by the fire to water content below 4%, the gingko green tea raw material gets product; (5) packing: the gingko green tea raw material is packaged into every bag of 3.0～5.0g with the tea in bag wrapping paper, promptly gets gingko green tea tea in bag finished product.
7. according to claim 1 and 5 and 6 described a kind of gingko green teas, it is characterized in that: described green tea is commercially available finished product green tea.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102920850A (en) * | 2012-10-16 | 2013-02-13 | 天津凯镛药业有限公司 | Ginkgo leaf tea and preparation method thereof |
| CN103891966A (en) * | 2014-03-19 | 2014-07-02 | 陈明军 | Compound health tea of vine tea and preparation method of compound health tea |
| CN103976066A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Processing method of pistacia chinensis bunge green tea |
| CN106509190A (en) * | 2016-12-31 | 2017-03-22 | 全椒贡菊园茶厂 | Enzyme deactivating technology of green tea |
| CN106665915A (en) * | 2016-12-31 | 2017-05-17 | 全椒贡菊园茶厂 | Preparation technology of green tea |
| CN114766573A (en) * | 2022-04-14 | 2022-07-22 | 四川中科易捷科技发展合伙企业(有限合伙) | Compound gingko health tea and preparation method thereof |
| CN115245182A (en) * | 2021-09-18 | 2022-10-28 | 林军 | Preparation of NMN-rich shiitake mushroom-jasmine tea |
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| CN101999487A (en) * | 2010-11-23 | 2011-04-06 | 宁国市正天林产化学品有限公司 | Preparation method of green gingko tea |
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| CN1191678A (en) * | 1997-02-28 | 1998-09-02 | 四川三和实业有限公司 | Gingko tea and its production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920850A (en) * | 2012-10-16 | 2013-02-13 | 天津凯镛药业有限公司 | Ginkgo leaf tea and preparation method thereof |
| CN102920850B (en) * | 2012-10-16 | 2015-03-25 | 天津凯镛药业有限公司 | Ginkgo leaf tea and preparation method thereof |
| CN103891966A (en) * | 2014-03-19 | 2014-07-02 | 陈明军 | Compound health tea of vine tea and preparation method of compound health tea |
| CN103976066A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院合肥物质科学研究院 | Processing method of pistacia chinensis bunge green tea |
| CN103976066B (en) * | 2014-05-15 | 2016-06-08 | 中国科学院合肥物质科学研究院 | A kind of processing method of Chinese pistache green tea |
| CN106509190A (en) * | 2016-12-31 | 2017-03-22 | 全椒贡菊园茶厂 | Enzyme deactivating technology of green tea |
| CN106665915A (en) * | 2016-12-31 | 2017-05-17 | 全椒贡菊园茶厂 | Preparation technology of green tea |
| CN115245182A (en) * | 2021-09-18 | 2022-10-28 | 林军 | Preparation of NMN-rich shiitake mushroom-jasmine tea |
| CN114766573A (en) * | 2022-04-14 | 2022-07-22 | 四川中科易捷科技发展合伙企业(有限合伙) | Compound gingko health tea and preparation method thereof |
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Application publication date: 20120808 |