CN104906259A - Preparation method of wolfberry extract - Google Patents
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- CN104906259A CN104906259A CN201510346966.5A CN201510346966A CN104906259A CN 104906259 A CN104906259 A CN 104906259A CN 201510346966 A CN201510346966 A CN 201510346966A CN 104906259 A CN104906259 A CN 104906259A
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Abstract
The invention discloses a preparation method of a wolfberry extract. The method comprises the following steps: removing impurities from dried wolfberries, and crushing until the crushing degree is 40-120 meshes; adding an ethanol solvent with the concentration of 30%-80% to wolfberry powder at the mass ratio of (1:5) to (1:10); treating by virtue of a high-speed homogenizer to obtain a wolfberry sample; extracting and separating the obtained homogenized wolfberry sample by virtue of a microwave extraction technology to obtain a wolfberry extract liquid; and filtering and concentrating the obtained wolfberry extract liquid in vacuum, so as to obtain the wolfberry extract. The preparation method has the advantages that extraction and separation are carried out by a pure physical method; an extracting solvent is not used in extraction; and the extracted component is prevented from being polluted by a solvent. The preparation method can penetrate into cells in extraction and separation; leaching of effective components is accelerated; the extraction rate of the effective components is relatively high; and the efficiency is relatively high. The preparation process can be finished at a low temperature; and oxidation and dissipation of thermosensitive substances are effectively prevented.
Description
Technical field
The present invention relates to the technical field preparing natural plant extracts, the preparation method of a kind of wolfberry fruit extract of concrete finger.
Background technology
Fructus Lycii is Solanaceae Lycium defoliation bush plant, and its fruit, leaf, root bark all can be used as medicine.In nature and flavor, Fructus Lycii is sweet, flat; Folium Lycii is bitter, sweet, cool in nature.Fructus Lycii has nourishing the liver, nourishing kidney, the function of lung moistening.Folium Lycii has tonify deficiency benefit essence, the function of clearing away heat to improve acuity of vision.Lycii radicis,cortex has the effectiveness of antipyretic cough-relieving.Modern scientific research shows, Fructus Lycii has reduction blood pressure and blood lipoid, lipotropic effect, can also enhancing body anoxia enduring and immunoregulation capability.
By chemical composition analysis, the fruit of Fructus Lycii detects containing nutritional labelings such as abundant carotene, vitamin C, Fructus Lycii proteoglycan, betanin, linoleic acid and ferrum, phosphorus, calcium.
Now existing a lot of research shows that lycium barbarum polysaccharide has Promote immunity, defying age, antitumor, scavenging free radicals, resisting fatigue, radioprotective, protects the liver, protects and improve the effects such as reproductive function.Fructus Lycii mainly causes due to contained betanin lipid metabolism or lipotropic effect.Wolfberry pigment mainly comprises carotene, phylloxanthin and other coloring matters.A lot of research has proved that seed of Fructus Lycii pigment has and has improved the effects such as immune function of human body, prevention and prohibition tumor and prevention of arterial are atherosis.Carotene is the main active of wolfberry pigment, has antioxidation and as the important physiological function of the synthesis precursor etc. of vitamin A.
The extracting method of current Fructus Lycii mainly contains immersion method, ultrasonic method, microwave method and enzyme process etc., due to technique comparatively backwardness, make extract yield and purity lower, its effective ingredient can not be made full use of, causes the serious waste of resource.Homogenate technology is a kind of extracting method of ultrahigh in efficiency, can utilize outside destroy cell membrane and cell wall, and effective ingredient in cell is discharged.High-speed homogenization machine is a kind of special refiner, and it adopts the regulating system of controllable silicon high speed, easy to use.Microwave-assisted extraction technique is the mode adopting carry out microwave radiation heating, makes organization internal moisture fast vaporizing, accelerates active ingredient and fully leaches.Microwave extracting utilizes the effect of electromagnetic field that some organic components in solid or semi-solid material is effectively separated with matrix, and can keep a kind of separation method of the script compound state of analytic target.The generation of microwave and the extraction of sample are all carry out in the preparation system of microwave sample, therefore microwave extracting apparatus General Requirements is the microwave sampling equipment with adnexa when power selection and temperature control, pressure control, control.Microwave extracting process can use or inapplicable Extraction solvent.
The advantage of these two kinds of technology is: two kinds of technology all can go deep into cell interior, and make active ingredient extraction ratio larger, efficiency is higher.Both are pure physical method, can protect separated material not by solvent contamination.Extracting temperature is low, effectively can prevent oxidation and the loss of heat-sensitive substance, saves the original local flavor of natural product and effective ingredient is not suffered a loss.
Summary of the invention
The object of the invention is to, for the deficiency of existing traditional extraction and separation technology, provide a kind of preparation method of wolfberry fruit extract.The present invention adopts pure physical method under cryogenic, does not use Extraction solvent, gos deep into cell interior, and extract component can be avoided to be subject to solvent contamination, effectively prevents oxidation and the loss of heat-sensitive substance, and make active ingredient extraction ratio larger, efficiency is higher.
For achieving the above object, the present invention is achieved through the following technical solutions, and a kind of preparation method of wolfberry fruit extract, is characterized in that, comprises the following steps:
(1) by after the Fructus Lycii removal of contamination of drying, pulverization process is carried out, for subsequent use;
(2) in above-mentioned Fructus Lycii powder end, adding mass ratio is, after the alcohol solvent of 1:5 ~ 1:10, utilize high-speed homogenization machine to carry out homogenized, obtains the Fructus Lycii sample after homogenized;
(3) utilize microwave-assisted extraction technique to carry out extract and separate in the Fructus Lycii sample after gained homogenized, obtain Fructus Lycii extract;
(4) gained Fructus Lycii extract carried out filter, after vacuum concentration process, obtain wolfberry fruit extract.Filtration and these two kinds of processing modes of vacuum concentration are used for obtaining the higher wolfberry fruit extract of purity.
As preferably, degree of grinding when carrying out pulverization process to the Fructus Lycii of drying in described step (1) is 40 ~ 120 orders.
As preferably, the concentration of the alcohol solvent added when carrying out high-speed homogenization in described step (2) is 30 ~ 80%.
As preferably, the Homogenization time of described step (2) high speed refiner is 5 ~ 10min, and motor speed is 10000 ~ 20000r/min, and access times are 1 ~ 3 time.
As preferably, in the process of the middle microwave extracting of described step (3), do not use Extraction solvent.
As preferably, in described step (3) microwave extracting preparation system in power be set to 200 ~ 600W, the microwave extraction time is set to 0.5h ~ 2h, and system temperature is set to and rises to 50 ~ 90 DEG C from room temperature in 10 ~ 30min.
As preferably, in described step (3), after microwave extracting, Fructus Lycii extract should be cooled to room temperature.
The invention has the advantages that:
1, Extraction and separation method of the present invention is pure physical method, and does not use Extraction solvent in leaching process, and extract component can be avoided to be subject to solvent contamination.
2, in preparation method of the present invention, dried wolfberry is carried out pulverization process, contribute to the spilling of effective ingredient, that can improve effective ingredient draws rate.
3, Extraction and separation method of the present invention all deep enough cell interiors of energy, accelerate the leaching of effective ingredient, and make the extraction ratio of active ingredient larger, efficiency is higher.
4, the present invention can complete at low temperatures, effectively prevent oxidation and the loss of heat-sensitive substance, save the original local flavor of natural product, avoid effective ingredients in plant because causing damage by heat damage, the extract quality that the present invention is obtained is better than the obtained extract quality of other traditional methods.
Detailed description of the invention
Below by way of specific embodiment, further Detailed Description is done to the present invention.
Embodiment 1:
The invention provides a kind of preparation method of wolfberry fruit extract, comprise the following steps:
(1) by after the Fructus Lycii removal of contamination of drying, take Fructus Lycii raw material 500g, and to be crushed to degree of grinding with pulverizer to Fructus Lycii raw material be 40 orders.
(2) in above-mentioned Fructus Lycii powder end, adding mass ratio is 1:5, concentration is the alcohol solvent of 30%, high-speed homogenization machine is utilized to carry out homogenized, the Homogenization time of described high-speed homogenization machine is 5min, motor speed is 10000r/min, access times are 1 time, obtain the Fructus Lycii sample after homogenized.
(3) the Fructus Lycii sample after gained homogenized is transferred in the bottle for material of microwave extracting apparatus, microwave-assisted extraction technique is used to carry out extract and separate, and Extraction solvent is not used in microwave extracting process, power in the preparation system of described microwave extracting is set to 200W, the microwave extraction time is set to 0.5h, system temperature is set to and rises to 50 DEG C from room temperature in 10min, obtains Fructus Lycii extract.
(4), after gained Fructus Lycii extract being cooled to room temperature, carry out filtering, vacuum concentration process, obtain wolfberry fruit extract.
Embodiment 2:
The invention provides a kind of preparation method of wolfberry fruit extract, comprise the following steps:
(1) by after the Fructus Lycii removal of contamination of drying, take Fructus Lycii raw material 500g, and to be crushed to degree of grinding with pulverizer to Fructus Lycii raw material be 60 orders.
(2) in above-mentioned Fructus Lycii powder end, adding mass ratio is 1:7, concentration is the alcohol solvent of 60%, high-speed homogenization machine is utilized to carry out homogenized, the Homogenization time of described high-speed homogenization machine is 7min, motor speed is 15000r/min, access times are 2 times, obtain the Fructus Lycii sample after homogenized;
(3) the Fructus Lycii sample after gained homogenized is transferred in the bottle for material of microwave extracting apparatus, microwave-assisted extraction technique is used to carry out extract and separate, and Extraction solvent is not used in microwave extracting process, power in the preparation system of described microwave extracting is set to 400W, the microwave extraction time is set to 1h, system temperature is set to and rises to 70 DEG C from room temperature in 20min, obtains Fructus Lycii extract.
(4), after gained Fructus Lycii extract being cooled to room temperature, carry out filtering, vacuum concentration process, obtain wolfberry fruit extract.
Embodiment 3:
The invention provides a kind of preparation method of wolfberry fruit extract, comprise the following steps:
(1) by after the Fructus Lycii removal of contamination of drying, take Fructus Lycii raw material 500g, and to be crushed to degree of grinding with pulverizer to Fructus Lycii raw material be 120 orders.
(2) in above-mentioned Fructus Lycii powder end, adding mass ratio is 1:10, concentration is the alcohol solvent of 80%, high-speed homogenization machine is utilized to carry out homogenized, the Homogenization time of described high-speed homogenization machine is 10min, motor speed is 20000r/min, access times are 3 times, obtain the Fructus Lycii sample after homogenized.
(3) the Fructus Lycii sample after gained homogenized is transferred in the bottle for material of microwave extracting apparatus, microwave-assisted extraction technique is used to carry out extract and separate, and Extraction solvent is not used in microwave extracting process, power in the preparation system of described microwave extracting is set to 600W, the microwave extraction time is set to 2h, system temperature is set to and rises to 90 DEG C from room temperature in 30min, obtains Fructus Lycii extract.
(4), after gained Fructus Lycii extract being cooled to room temperature, carry out filtering, vacuum concentration process, obtain wolfberry fruit extract.
Wolfberry fruit extract obtained above all adopts homogenate technology and microwave-assisted extraction technique to carry out Extraction and separation, and these two kinds of technology all can go deep into cell interior, and make active ingredient extraction ratio larger, efficiency is higher.Both are pure physical method, and do not use Extraction solvent in leaching process, well can protect separated material not by solvent contamination.Preparation process of the present invention completes at low temperatures, effectively can prevent oxidation and the loss of heat-sensitive substance, saves the original local flavor of natural product and effective ingredient is not suffered a loss.
The above, be the specific embodiment of the present invention.It should be pointed out that the change or replacement that can expect easily in the technical scope disclosed by the present invention, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a preparation method for wolfberry fruit extract, is characterized in that, comprises the following steps:
(1) by after the Fructus Lycii removal of contamination of drying, pulverization process is carried out, for subsequent use;
(2) in above-mentioned Fructus Lycii powder end, adding mass ratio is, after the alcohol solvent of 1:5 ~ 1:10, utilize high-speed homogenization machine to carry out homogenized, obtains the Fructus Lycii sample after homogenized;
(3) utilize microwave-assisted extraction technique to carry out extract and separate in the Fructus Lycii sample after gained homogenized, obtain Fructus Lycii extract;
(4) gained Fructus Lycii extract carried out filter, after vacuum concentration process, obtain wolfberry fruit extract.
2. the preparation method of a kind of wolfberry fruit extract according to claim 1, is characterized in that: degree of grinding when carrying out pulverization process to the Fructus Lycii of drying in described step (1) is 40 ~ 120 orders.
3. the preparation method of a kind of wolfberry fruit extract according to claim 1, is characterized in that: in described step (2), the concentration of alcohol solvent is 30 ~ 80%.
4. the preparation method of a kind of wolfberry fruit extract according to claim 1, is characterized in that: the Homogenization time of described step (2) high speed refiner is 5 ~ 10min, and motor speed is 10000 ~ 20000r/min, and access times are 1 ~ 3 time.
5. the preparation method of a kind of wolfberry fruit extract according to claim 1, is characterized in that: do not use Extraction solvent in the process of the middle microwave extracting of described step (3).
6. the preparation method of a kind of wolfberry fruit extract according to claim 1, it is characterized in that: the power in the preparation system of the middle microwave extracting of described step (3) is set to 200 ~ 600W, the microwave extracting time is set to 0.5h ~ 2h, and system temperature is set to and rises to 50 ~ 90 DEG C from room temperature in 10 ~ 30min.
7. the preparation method of a kind of wolfberry fruit extract according to claim 1, is characterized in that: Fructus Lycii extract should be cooled to room temperature after microwave extracting in described step (3).
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Cited By (4)
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| CN106387219A (en) * | 2016-08-29 | 2017-02-15 | 青岛市资源化学与新材料研究中心 | Chinese wolfberry fruit extract solid drink and preparation method thereof |
| CN106954883A (en) * | 2016-10-13 | 2017-07-18 | 武汉黄鹤楼香精香料有限公司 | A kind of cigarette preparation method of tuberose flower extract |
| CN107568553A (en) * | 2017-08-25 | 2018-01-12 | 上海应用技术大学 | A kind of matrimony vine probiotics effervescent tablet and preparation method thereof |
| CN108815300A (en) * | 2018-06-01 | 2018-11-16 | 河南省奥林特药业有限公司 | A kind of preparation method of wolfberry fruit extract |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106387219A (en) * | 2016-08-29 | 2017-02-15 | 青岛市资源化学与新材料研究中心 | Chinese wolfberry fruit extract solid drink and preparation method thereof |
| CN106954883A (en) * | 2016-10-13 | 2017-07-18 | 武汉黄鹤楼香精香料有限公司 | A kind of cigarette preparation method of tuberose flower extract |
| CN107568553A (en) * | 2017-08-25 | 2018-01-12 | 上海应用技术大学 | A kind of matrimony vine probiotics effervescent tablet and preparation method thereof |
| CN108815300A (en) * | 2018-06-01 | 2018-11-16 | 河南省奥林特药业有限公司 | A kind of preparation method of wolfberry fruit extract |
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