CN117160270A - Emulsifying device for camellia oil milk and production method - Google Patents
Emulsifying device for camellia oil milk and production method Download PDFInfo
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- CN117160270A CN117160270A CN202311455289.1A CN202311455289A CN117160270A CN 117160270 A CN117160270 A CN 117160270A CN 202311455289 A CN202311455289 A CN 202311455289A CN 117160270 A CN117160270 A CN 117160270A
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- oil
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- 239000010495 camellia oil Substances 0.000 title claims abstract description 152
- 230000001804 emulsifying effect Effects 0.000 title claims abstract description 65
- 235000013336 milk Nutrition 0.000 title claims abstract description 56
- 239000008267 milk Substances 0.000 title claims abstract description 56
- 210000004080 milk Anatomy 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 75
- SPFMQWBKVUQXJV-BTVCFUMJSA-N (2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanal;hydrate Chemical compound O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O SPFMQWBKVUQXJV-BTVCFUMJSA-N 0.000 claims abstract description 50
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 27
- 239000000284 extract Substances 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 14
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 9
- 239000008103 glucose Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 29
- 239000003480 eluent Substances 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 239000006228 supernatant Substances 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000008213 purified water Substances 0.000 claims description 12
- 238000004945 emulsification Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 241001122767 Theaceae Species 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 238000001694 spray drying Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical group CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 5
- 238000010828 elution Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229940083466 soybean lecithin Drugs 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 239000004410 anthocyanin Substances 0.000 abstract description 29
- 229930002877 anthocyanin Natural products 0.000 abstract description 29
- 235000010208 anthocyanin Nutrition 0.000 abstract description 29
- 150000004636 anthocyanins Chemical class 0.000 abstract description 29
- CWEZAWNPTYBADX-UHFFFAOYSA-N Procyanidin Natural products OC1C(OC2C(O)C(Oc3c2c(O)cc(O)c3C4C(O)C(Oc5cc(O)cc(O)c45)c6ccc(O)c(O)c6)c7ccc(O)c(O)c7)c8c(O)cc(O)cc8OC1c9ccc(O)c(O)c9 CWEZAWNPTYBADX-UHFFFAOYSA-N 0.000 abstract description 7
- 229920002414 procyanidin Polymers 0.000 abstract description 7
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 abstract description 5
- 235000019658 bitter taste Nutrition 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000007908 nanoemulsion Substances 0.000 description 3
- 239000008157 edible vegetable oil Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000469 ethanolic extract Substances 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- PZNPLUBHRSSFHT-RRHRGVEJSA-N 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine Chemical group CCCCCCCCCCCCCCCCCC(=O)O[C@@H](COP([O-])(=O)OCC[N+](C)(C)C)COC(=O)CCCCCCCCCCCCCCC PZNPLUBHRSSFHT-RRHRGVEJSA-N 0.000 description 1
- 240000001548 Camellia japonica Species 0.000 description 1
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 1
- 240000003553 Leptospermum scoparium Species 0.000 description 1
- 235000015459 Lycium barbarum Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000018597 common camellia Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 235000013402 health food Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000008347 soybean phospholipid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010677 tea tree oil Substances 0.000 description 1
- 229940111630 tea tree oil Drugs 0.000 description 1
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- Fats And Perfumes (AREA)
Abstract
The invention relates to the technical field of camellia oil product processing, in particular to an emulsifying device and a production method of camellia oil milk; soaking fresh tea oil seeds in glucose water, carrying out illumination reaction to decompose procyanidins in the tea oil seeds into anthocyanin, reacting hydrogen groups or hydroxyl groups on the anthocyanin with glucose to form anthocyanin with more glucose groups, carrying out alcohol extraction on the soaked tea oil seeds to fully extract anthocyanin in the tea oil seeds, taking out the tea oil seeds, drying, squeezing to obtain tea seed oil, mixing the tea seed oil with extract, emulsifying agent and glucose water, and carrying out nanoemulsification to obtain the tea oil milk; the obtained camellia oil milk has higher anthocyanin content, and improves bitter taste of procyanidine.
Description
Technical Field
The invention relates to the technical field of camellia oil product processing, in particular to an emulsifying device and a production method of camellia oil milk.
Background
The camellia oil, also called tea seed oil, tea tree oil and tea oil, is obtained from camellia oil tea tree seeds, and is one of the oldest woody edible oils in China. The camellia oil refined from camellia seeds is light yellow, clear and transparent, and has delicate fragrance, and is good edible oil.
However, because the camellia oil is sticky, the camellia oil has poor sensory effect, large particle size and poor dispersion performance in a medium, is not easy to be absorbed by human bodies, and limits the application of the camellia oil as a health food.
The Chinese patent with the publication number of CN103283866B discloses a camellia oil microemulsion and a production method thereof, and the characteristics of poor dispersibility and adverse human body absorption of the camellia oil are improved by emulsifying the camellia oil to prepare an emulsion;
in the production method of the camellia oil microemulsion related to the patent, camellia oil is directly taken as a raw material, and a surfactant, water and liquid fatty acid are added to prepare the emulsion through emulsification.
Tea seeds contain more procyanidins, which are also called sugarless anthocyanin, and because procyanidins have bitter taste and poor mouthfeel, if procyanidins are converted into anthocyanin with glycosidic bonds and combined into tea oil milk products, the bitter mouthfeel caused by procyanidins can be improved.
Because the procyanidine has hydrophilicity, in the camellia oil obtained by traditional squeezing, the procyanidine runs off along with moisture in the tea seed drying process, so that the content of the procyanidine in the squeezed camellia oil is lower, and therefore, the procyanidine content in a milk product prepared from the camellia oil serving as a raw material is also lower.
Therefore, there is a need to provide a camellia oil milk emulsifying device and a production method, which can improve the emulsifying efficiency through the improvement of the emulsifying device, and can keep higher anthocyanin content in milk products through the process improvement.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: there is a need to provide a camellia oil milk emulsifying device and a production method, which can improve the emulsifying efficiency through the improvement of the emulsifying device and can keep higher anthocyanin content in milk products through the technological improvement.
In order to solve the technical problems, the invention adopts the following technical scheme:
an emulsifying device for camellia oil milk, comprising:
a frame;
the emulsifying tank is connected to the frame, the emulsifying tank is a revolution body, the axial direction of the emulsifying tank is vertical, and a discharge hole is formed in the lower portion of the emulsifying tank;
the liquid inlet pipe is coaxially arranged with the emulsifying tank and penetrates through the emulsifying tank, the upper end of the liquid inlet pipe extends to the outside of the emulsifying tank, and the upper part of the liquid inlet pipe is sleeved with a first belt pulley; the circumference of the part of the liquid inlet pipe positioned in the emulsifying tank is provided with a plurality of liquid discharge holes, the inner wall of the liquid inlet pipe is provided with guide vanes, the guide vanes are arranged in one-to-one correspondence with the liquid discharge holes, the guide vanes are positioned above the liquid discharge holes, and the included angle between the guide vanes and the horizontal direction is 40-60 degrees;
one end of the connecting pipe is connected with the water storage tank, and the other end of the connecting pipe is connected with the upper end of the liquid inlet pipe through a rotary joint;
the liquid pump is connected to the connecting pipe and is used for pumping the liquid in the water storage tank into the liquid inlet pipe;
the driving motor is connected to the frame, a second belt pulley is sleeved on an output shaft of the driving motor, and the first belt pulley and the second belt pulley are in transmission connection through a transmission belt;
the stirring rods are connected to the outer circumferential part of the liquid inlet pipe, a plurality of groups of stirring rods are distributed in a vertical direction, and the liquid discharge holes and one group of stirring rods are positioned at the same height;
the feed inlet is arranged on one side of the upper part of the emulsifying tank.
The other technical scheme of the invention is as follows: the production method of the camellia oil milk comprises the following steps:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under light of 1000LX-2000LX for 3-4 h;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, collecting supernatant, eluting the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a flow rate of 0.5BV/h to obtain eluent, concentrating the eluent under reduced pressure until no alcohol exists, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: drying and squeezing fresh tea oil seeds to obtain tea seed oil, uniformly mixing the extract obtained in the step S4 with the tea seed oil, mixing with glucose water and an emulsifying agent in the step S2, and performing an emulsification reaction in an emulsifying device to obtain the camellia oil milk.
In the production method of the camellia oil milk, in the S1, the mass ratio of the fresh camellia oil seeds to glucose water is 1:3-4, and the concentration of glucose in the glucose water is 30-40%.
In the production method of the camellia oil milk, in the step S3, the temperature of the reduced pressure concentration of the solution is 40-45 ℃, the vacuum degree is 0.09-1 MPa, the temperature of the reduced pressure concentration of the eluent is 40-45 ℃, and the vacuum degree is 0.09-1 MPa.
In the above production method of camellia oil milk, in S3, the eluting the supernatant with macroporous adsorption resin to obtain an eluent specifically comprises: refining the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a flow rate of 0.5BV/h-0.6BV/h, cleaning the resin column with 2BV of purified water, controlling the flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the elution flow rate to be 1BV/h, and collecting and obtaining eluent.
In the production method of the camellia oil milk, the drying temperature of the camellia oil seeds is 60-65 ℃ and the drying time is 7-8 hours.
Further, in the above production method of camellia oil milk, the emulsifier is selected from soybean lecithin.
In the production method of the camellia oil milk, in the step S5, the mass ratio of the camellia oil mixed with the extract, glucose water and the emulsifier is (40-50) to (20-30) to (4-7).
Further, in the production method of the camellia oil milk;
the step S5 specifically comprises the following steps:
the liquid inlet pipe is driven to rotate by the driving motor, so that the stirring rod is driven to rotate;
in the rotation process of the stirring rod, glucose water in the S2 is pumped into the liquid inlet pipe through the connecting pipe and enters the emulsifying tank through the liquid discharge hole in the liquid inlet pipe;
meanwhile, the tea seed oil, the extract obtained by S4 and the emulsifying agent are input from a feed inlet of an emulsifying tank, and a stirring rod is used for continuously stirring, so that all materials are subjected to an emulsifying reaction in the emulsifying tank, and the camellia oil milk is obtained.
The invention has the beneficial effects that:
in the structure of the emulsifying device, water for emulsification enters the liquid inlet pipe through the connecting pipe, spiral water flow is formed in the liquid inlet pipe under the pressurizing action of the liquid pump and the action of the guide vane on the inner wall of the liquid inlet pipe, the water is sprayed to the emulsifying tank from the liquid outlet on the side face, the sprayed water is rapidly dispersed under the rotation of the stirring rod to form water mist, and materials with poor fluidity such as tea seed oil, extracting solution, emulsifying agent and the like enter from the feed inlet and are fused with the water mist in the tank, so that the emulsifying reaction can be carried out more efficiently.
According to the invention, fresh tea-oil seeds are soaked in glucose water and subjected to illumination reaction, so that procyanidins in the tea-oil seeds are decomposed into anthocyanin, hydrogen groups or hydroxyl groups on the anthocyanin react with glucose to form anthocyanin with more glucose groups, the soaked tea-oil seeds are subjected to alcohol extraction, so that anthocyanin in the tea-oil seeds is fully extracted, then the tea-oil seeds are taken out, dried and squeezed to obtain tea-oil, and then the tea-oil seeds are mixed with extract, emulsifying agent and glucose water for nanoemulsification to obtain camellia-oil milk; according to the invention, the procyanidine in tea oil seeds is converted into anthocyanin by treatment before the tea oil seeds are squeezed, the anthocyanin is dissolved in glucose water, and in the subsequent emulsification process, the ethanol extract, glucose water and camellia oil are mixed and emulsified, so that the obtained camellia oil milk has higher anthocyanin content, and the bitter taste generated by procyanidine is improved by glucose water and anthocyanin with more glucosyl groups.
Drawings
Fig. 1 is a schematic structural view of an emulsifying device for camellia oil milk according to an embodiment of the present invention;
fig. 2 is a partial structural cross-sectional view of a liquid inlet pipe of an emulsifying device for camellia oil milk according to an embodiment of the present invention;
description of the reference numerals:
1. a frame;
2. an emulsifying tank; 21. a discharge port;
3. a liquid inlet pipe; 31. a first pulley; 32. a liquid discharge hole; 33. a guide vane; 34. a stirring rod;
4. a connecting pipe; 41. a rotary joint;
5. a liquid pump;
61. a driving motor; 62. a second pulley;
7. a feed inlet;
8. and a water storage tank.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 and 2, the embodiment of the invention relates to an emulsifying device for camellia oil milk,
comprising the following steps:
a frame 1;
the emulsifying tank 2 is connected to the frame 1, the emulsifying tank 2 is a revolution body, the axial direction of the emulsifying tank 2 is in a vertical direction, and a discharge port 21 is formed in the lower portion of the emulsifying tank 2;
the liquid inlet pipe 3 is coaxially arranged in the emulsifying tank 2 in a penetrating manner, the upper end of the liquid inlet pipe 3 extends to the outside of the emulsifying tank 2, and the upper part of the liquid inlet pipe 3 is sleeved with the first belt pulley 31; the circumference of the part of the liquid inlet pipe 3 positioned in the emulsifying tank 2 is provided with a plurality of liquid discharge holes 32, the inner wall of the liquid inlet pipe 3 is provided with guide vanes 33, the guide vanes 33 are arranged in one-to-one correspondence with the liquid discharge holes 32, the guide vanes 33 are positioned above the liquid discharge holes 32, and the included angle between the guide vanes 33 and the horizontal direction is 40-60 degrees;
one end of the connecting pipe 4 is connected with the water storage tank 8, and the other end of the connecting pipe 4 is connected with the upper end of the liquid inlet pipe 3 through a rotary joint 41;
the driving motor 61, the driving motor 61 is connected to the frame 1, the output shaft of the driving motor 61 is sleeved with a second belt pulley 62, and the first belt pulley 31 and the second belt pulley 62 are in transmission connection through a transmission belt;
the stirring rods 34 are connected to the outer circumferential part of the liquid inlet pipe 3, a plurality of groups of stirring rods 34 are distributed in a vertical direction, and the liquid discharge holes 32 and one group of stirring rods 34 are positioned at the same height;
and a feed inlet 7, wherein the feed inlet 7 is arranged at one side of the upper part of the emulsifying tank 2.
The invention relates to a production method of camellia oil milk, which comprises the following steps:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under light of 1000LX-2000LX for 3-4 h;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, collecting supernatant, eluting the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a flow rate of 0.5BV/h to obtain eluent, concentrating the eluent under reduced pressure until no alcohol exists, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: drying and squeezing fresh tea oil seeds to obtain tea seed oil, uniformly mixing the extract obtained in the step S4 with the tea seed oil, mixing with glucose water and an emulsifying agent in the step S2, and performing an emulsification reaction in a nanoemulser to obtain the camellia oil milk.
Soaking fresh tea oil seeds in glucose water, carrying out illumination reaction to decompose procyanidins in the tea oil seeds into anthocyanin, reacting hydrogen groups or hydroxyl groups on the anthocyanin with glucose to form anthocyanin with more glucose groups, carrying out alcohol extraction on the soaked tea oil seeds to fully extract anthocyanin in the tea oil seeds, taking out the tea oil seeds, drying, squeezing to obtain tea seed oil, mixing the tea seed oil with extract, emulsifying agent and glucose water, and carrying out nanoemulsification to obtain the tea oil milk; according to the invention, the procyanidine in tea oil seeds is converted into anthocyanin by treatment before the tea oil seeds are squeezed, the anthocyanin is dissolved in glucose water, and in the subsequent emulsification process, the ethanol extract, glucose water and camellia oil are mixed and emulsified, so that the obtained camellia oil milk has higher anthocyanin content, and the bitter taste generated by procyanidine is improved by glucose water and anthocyanin with more glucosyl groups.
As an alternative embodiment, in the S1, the mass ratio of the fresh tea oil seeds to the glucose water is 1: (3-4), and the concentration of the glucose in the glucose water is 30% -40%.
As an alternative embodiment, in the step S3, the temperature of the reduced pressure concentration of the solution is 40-45 ℃, the vacuum degree is 0.09-1 MPa, the temperature of the reduced pressure concentration of the eluent is 40-45 ℃, and the vacuum degree is 0.09-1 MPa.
As an optional embodiment, in S3, the eluting the supernatant with macroporous adsorption resin to obtain an eluent specifically includes: refining the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a flow rate of 0.5BV/h-0.6BV/h, cleaning the resin column with 2BV of purified water, controlling the flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the elution flow rate to be 1BV/h, and collecting and obtaining eluent.
As an alternative embodiment, the tea seed oil is dried at a temperature of 60-65 ℃ for a drying time of 7-8 hours.
As an alternative embodiment, the emulsifier is selected from soy lecithin.
In an alternative embodiment, in S5, the mass ratio of the tea seed oil mixed with the extract, glucose water and emulsifier is (40-50): (20-30): (4-7).
As an alternative embodiment; the step S5 specifically comprises the following steps:
the liquid inlet pipe 3 is driven to rotate by the driving motor 61, so that the stirring rod 34 is driven to rotate;
in the rotation process of the stirring rod 34, glucose water in the S2 is pumped into the liquid inlet pipe 3 through the connecting pipe 4 and enters the emulsifying tank 2 through the liquid discharge hole 32 in the liquid inlet pipe 3;
simultaneously, the tea seed oil, the extract obtained by S4 and the emulsifying agent are input from the feed inlet 7 of the emulsifying tank 2, and the stirring rod 34 is continuously stirred, so that the materials are subjected to an emulsifying reaction in the emulsifying tank 2, and the camellia oil milk is obtained.
In the above embodiment, glucose water enters the liquid inlet pipe 3 through the connecting pipe 4, under the pressurizing action of the liquid pump 5 and the action of the guide vane 33 on the inner wall of the liquid inlet pipe 3, spiral water flow is formed in the liquid inlet pipe 3, the glucose water is sprayed to the emulsifying tank 2 from the liquid discharge hole 32 on the side surface, the sprayed water is rapidly dispersed under the rotation of the stirring rod 34, water mist is formed, and materials with poor fluidity such as tea seed oil, extracting solution, emulsifying agent and the like enter from the feed inlet 7 and are fused with the water mist in the tank, so that the emulsifying reaction can be more efficiently carried out.
Example 1
A production method of camellia oil milk comprises the following steps:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under 1500LX light for 3.5 hr; the mass ratio of the fresh tea oil seeds to the glucose water is 1:3.5, and the concentration of glucose in the glucose water is 35%;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, wherein the temperature of the solution under reduced pressure concentration is 42 ℃, the vacuum degree is 0.09MPa, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, taking supernatant, refining the supernatant with weak-polarity CAD-40 macroporous adsorption resin at the flow rate of 0.55BV/h, firstly cleaning a resin column with 2BV of purified water, controlling the flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the elution flow rate to be 1BV/h, collecting and obtaining eluent, concentrating the eluent under reduced pressure until no alcohol exists, the temperature of the eluent under reduced pressure concentration is 42 ℃, the vacuum degree is 0.09MPa, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: and (3) drying fresh tea oil seeds, wherein the drying temperature of the tea oil seeds is 62 ℃, the drying time is 7.5 hours, squeezing to obtain tea seed oil, uniformly mixing the extract obtained in the step (S4) with the tea seed oil, mixing the mixture with glucose water in the step (S2) and an emulsifying agent, and performing an emulsification reaction in a nanoemulsion machine to obtain the camellia oil milk, wherein the emulsifying agent is selected from soybean lecithin, and the mass ratio of the tea seed oil, water and the emulsifying agent is 45:25:5.
The anthocyanin content in the camellia oil milk obtained by high performance liquid chromatography analysis is determined to be 7.52%.
Example 2
A production method of camellia oil milk comprises the following steps:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under 1000LX light for 3 hr; the mass ratio of the fresh tea oil seeds to the glucose water is 1:3, and the concentration of glucose in the glucose water is 30%;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, wherein the temperature of the solution under reduced pressure concentration is 40 ℃, the vacuum degree is 0.09MPa, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, taking supernatant, refining the supernatant with weak-polarity CAD-40 macroporous adsorption resin at the flow rate of 0.5BV/h, firstly cleaning a resin column with 2BV of purified water, controlling the flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the elution flow rate to be 1BV/h, collecting and obtaining eluent, concentrating the eluent under reduced pressure until no alcohol exists, the temperature of the eluent under reduced pressure concentration is 40 ℃, the vacuum degree is 0.09MPa, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: drying fresh tea oil seeds at a drying temperature of 60 ℃ for 7 hours, squeezing to obtain tea seed oil, uniformly mixing the extract obtained in the step S4 with the tea seed oil, mixing the extract with glucose water and an emulsifying agent in the step S2, and performing an emulsification reaction in a nanoemulsion to obtain camellia oil milk, wherein the emulsifying agent is selected from soybean lecithin, and the mass ratio of the tea seed oil, water and the emulsifying agent is 40:20:4;
the anthocyanin content in the camellia oil milk obtained by high performance liquid chromatography analysis is 6.82%.
Example 3
A production method of camellia oil milk comprises the following steps:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under 2000LX light for 4 hr; the mass ratio of the fresh tea oil seeds to the glucose water is 1:4, and the concentration of glucose in the glucose water is 30-40%;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, wherein the temperature of the reduced pressure concentration of the solution is 45 ℃, the vacuum degree is 1MPa, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, taking supernatant, refining the supernatant with weak-polarity CAD-40 macroporous adsorption resin at the flow rate of 0.6BV/h, firstly cleaning a resin column with 2BV of purified water, controlling the cleaning flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the eluting flow rate to be 1BV/h, collecting and obtaining eluent, concentrating the eluent under reduced pressure until no alcohol exists, the temperature of the reduced pressure concentration of the eluent is 45 ℃, the vacuum degree is 1MPa, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: drying fresh tea oil seeds at 65 ℃ for 8 hours, squeezing to obtain tea seed oil, uniformly mixing the extract obtained in the step S4 with the tea seed oil, mixing the extract with glucose water and an emulsifying agent in the step S2, and performing an emulsification reaction in a nanoemulsion to obtain camellia oil milk, wherein the emulsifying agent is selected from soybean lecithin, and the mass ratio of the tea seed oil, water and the emulsifying agent is 50:30:7;
the anthocyanin content in the camellia oil milk obtained by high performance liquid chromatography analysis is 7.02%.
Comparative example 1
The production method of the camellia oil milk described in the embodiment 1 is different in that S1-S4 are omitted, fresh camellia oil seeds are directly dried and pressed to form camellia oil, and then the camellia oil milk is obtained by mixing and emulsifying the camellia oil, the water and the emulsifying agent according to the mass ratio of the embodiment 1;
the anthocyanin content in the camellia oil milk obtained by high performance liquid chromatography analysis is determined to be 0.81%.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (9)
1. Emulsifying device of camellia oil milk, its characterized in that includes:
a frame;
the emulsifying tank is connected to the frame, the emulsifying tank is a revolution body, the axial direction of the emulsifying tank is vertical, and a discharge hole is formed in the lower portion of the emulsifying tank;
the liquid inlet pipe is coaxially arranged with the emulsifying tank and penetrates through the emulsifying tank, the upper end of the liquid inlet pipe extends to the outside of the emulsifying tank, and the upper part of the liquid inlet pipe is sleeved with a first belt pulley; the circumference of the part of the liquid inlet pipe positioned in the emulsifying tank is provided with a plurality of liquid discharge holes, the inner wall of the liquid inlet pipe is provided with a plurality of guide vanes, the guide vanes are arranged in one-to-one correspondence with the liquid discharge holes, the guide vanes are positioned above the liquid discharge holes, and the included angle between the guide vanes and the horizontal direction is 40-60 degrees;
one end of the connecting pipe is connected with the water storage tank, and the other end of the connecting pipe is connected with the upper end of the liquid inlet pipe through a rotary joint;
the liquid pump is connected to the connecting pipe and is used for pumping the liquid in the water storage tank into the liquid inlet pipe;
the driving motor is connected to the frame, a second belt pulley is sleeved on an output shaft of the driving motor, and the first belt pulley and the second belt pulley are in transmission connection through a transmission belt;
the stirring rods are connected to the outer circumferential part of the liquid inlet pipe, a plurality of groups of stirring rods are distributed in a vertical direction, and the liquid discharge holes and one group of stirring rods are positioned at the same height;
the feed inlet is arranged on one side of the upper part of the emulsifying tank.
2. The production method of the camellia oil milk is characterized by comprising the following steps of:
s1: cleaning fresh tea seed, soaking in glucose water, and reacting under light of 1000LX-2000LX for 3-4 h;
s2: taking out fresh tea oil seeds from glucose water, soaking in 90% ethanol solution, and stirring for reaction;
s3: fishing out the tea oil seeds from the ethanol solution; concentrating the solution under reduced pressure until no alcohol smell exists, recovering ethanol to obtain concentrated solution, centrifuging the concentrated solution, collecting supernatant, eluting the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a certain flow rate to obtain eluent, concentrating the eluent under reduced pressure until no alcohol exists, and recovering ethanol to obtain concentrated solution;
s4: spray drying the concentrate to obtain an extract;
s5: drying and squeezing fresh tea oil seeds to obtain tea seed oil, uniformly mixing the extract obtained in the step S4 with the tea seed oil, mixing with glucose water and an emulsifying agent in the step S2, and performing an emulsification reaction in an emulsifying device to obtain the camellia oil milk.
3. The production method of camellia oil milk according to claim 2, wherein in the step S1, the mass ratio of the fresh camellia oil seeds to glucose water is 1:3-4, and the concentration of glucose in the glucose water is 30% -40%.
4. The production method of camellia oil milk according to claim 2, wherein in S3, the temperature of the reduced pressure concentration of the solution is 40-45 ℃, the vacuum degree is 0.09MPa-1MPa, the temperature of the reduced pressure concentration of the eluent is 40-45 ℃, and the vacuum degree is 0.09MPa-1MPa.
5. The method for producing camellia oil milk according to claim 2, wherein in S3, the supernatant is eluted with a weak-polarity CAD-40 macroporous adsorbent resin at a certain flow rate to obtain an eluent, specifically: refining the supernatant with weak-polarity CAD-40 macroporous adsorbent resin at a flow rate of 0.5BV/h-0.6BV/h, cleaning the resin column with 2BV of purified water, controlling the flow rate of the purified water to be 1BV/h, eluting with 8BV of 70% ethanol, controlling the elution flow rate to be 1BV/h, and collecting and obtaining eluent.
6. The process for producing camellia oil milk according to claim 2, wherein the drying temperature of the camellia oil seeds is 60 ℃ to 65 ℃ and the drying time is 7h to 8h.
7. A process for producing camellia oil milk as claimed in claim 2, wherein the emulsifier is selected from soybean lecithin.
8. The production method of camellia oil milk according to claim 7, wherein in S5, the mass ratio of the tea seed oil mixed with the extract, glucose water and the emulsifier is (40-50) to (20-30) to (4-7).
9. The production method of camellia oil milk according to claim 2, wherein in S5, the emulsifying device is the emulsifying device according to claim 1;
the step S5 specifically comprises the following steps:
the liquid inlet pipe is driven to rotate by the driving motor, so that the stirring rod is driven to rotate;
in the rotation process of the stirring rod, glucose water in the S2 is pumped into the liquid inlet pipe through the connecting pipe and enters the emulsifying tank through the liquid discharge hole in the liquid inlet pipe;
meanwhile, the tea seed oil, the extract obtained by S4 and the emulsifying agent are input from a feed inlet of an emulsifying tank, and a stirring rod is used for continuously stirring, so that all materials are subjected to an emulsifying reaction in the emulsifying tank, and the camellia oil milk is obtained.
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| CN202410384185.4A CN118105859A (en) | 2023-11-03 | 2023-11-03 | Production method of camellia oil milk with high anthocyanin content |
| CN202311455289.1A CN117160270B (en) | 2023-11-03 | 2023-11-03 | Emulsifying device for camellia oil milk and production method |
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| CN202311455289.1A CN117160270B (en) | 2023-11-03 | 2023-11-03 | Emulsifying device for camellia oil milk and production method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN117160270B (en) | 2024-03-29 |
| CN118105859A (en) | 2024-05-31 |
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