CN107723095A - A kind of bitter water rose method of extraction of essential oil - Google Patents
A kind of bitter water rose method of extraction of essential oil Download PDFInfo
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- CN107723095A CN107723095A CN201711108372.6A CN201711108372A CN107723095A CN 107723095 A CN107723095 A CN 107723095A CN 201711108372 A CN201711108372 A CN 201711108372A CN 107723095 A CN107723095 A CN 107723095A
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- water
- rose
- distillation still
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/022—Refining
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/027—Recovery of volatiles by distillation or stripping
Abstract
The invention discloses a kind of bitter water rose method of extraction of essential oil, including equipment wash phase and Rosa Damascana extraction stage, the Rosa Damascana extraction stage includes：Close the slag-discharging valve of distillation still bottom；Open distillation still at the top of Water filling valve, toward distillation still in water filling；Open after charge door adds rose and again close charge door；By the supply main pipeline pressure control of boiler between the first atmospheric pressure；First half-open cooling water valve, then open distillation still steam inlet valve goalkeeper steam addition distillation still and start to distill；The atmospheric pressure of control pressure second, wherein the first atmospheric pressure is more than the second atmospheric pressure, by adjusting the size of cooling water inflow or the coolant-temperature gage of steam inlet Valve controlling condenser condensed water delivery port, open oil water separator to water outlet valve goalkeeper Rosa Damascana between fuliu post and lead in Rosa Damascana holding vessel.Use the present invention the whole purification process of bitter water rose method of extraction of essential oil can with convenient and swift, efficiency high, oil productivity is high, Rosa Damascana impurity is few, quality better.
Description
Technical field
The present invention relates to a kind of plant harvesting technique, is more particularly to a kind of bitter water rose method of extraction of essential oil.
Background technology
Rose is rose family Rosa machaka, and the Rosa Damascana extracted from its petal concentrates the various sweet smell in spending
Fragrant material.Rosa Damascana health-care efficacy is remarkable, is mainly used in aromatotherapy and essence and flavoring agent allotment.In the Middle East, people also have
The custom of rose flavored juice is added in food.The demand of current Rosa Damascana or rose flavored juice increases year by year and supply falls short of demand.
Prior art lacks to Rosa Damascana system and the extracting method of science, so as to cause oil yield and Rosa Damascana
Quality is seriously unsatisfactory for standard.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides the bitter water rose essential oil of a kind of system and science to carry
Take method, a kind of bitter water rose method of extraction of essential oil, it is characterised in that：Including equipment wash phase and Rosa Damascana extraction rank
Section, the equipment include condenser, oil water separator, fuliu post, distillation still and boiler, and the equipment wash phase includes clear water
Wash phase and empty steam of high temperature are cleaned, and the Rosa Damascana extraction stage includes：Close the slag-discharging valve of distillation still bottom；Open
Water filling valve at the top of distillation still, toward distillation still in water filling；Open after charge door adds rose and again close charge door；By pot
The supply main pipeline pressure control of stove is between the first atmospheric pressure；First half-open cooling water valve, then open distillation still steam and enter
Steam addition distillation still is started to distill by air valve；The atmospheric pressure of control pressure second, wherein the first atmospheric pressure is more than the second air
Pressure, by adjusting the size of cooling water inflow or the coolant-temperature gage of steam inlet Valve controlling condenser condensed water delivery port, beats
Oil water separator to water outlet valve goalkeeper Rosa Damascana between fuliu post is opened to lead in Rosa Damascana holding vessel.
In a preferred embodiment, a length of 4 hours during the Rosa Damascana extraction, there is condensed water from leaving condenser water mouth
Start timing during outflow；Internal control in 0.5 hour freezes condensate outlet temperature at 18 DEG C from being started timing, from being started timing
0.5 hour to 3 hour internal controls freeze condensate outlet temperatures at 20~24 DEG C, and 3 hours are to 4 small from being started timing
When within control condensed water outlet temperature at 26~33 DEG C.
In a preferred embodiment, the clear water wash phase is included with giant to the inside and outside wall of distillation still, profit point
Clear water or running water are used when carrying out and clean from device, the empty steaming cleaning of the high temperature includes：Close the residual cake valve of distillation still bottom
Door；Then the clear water for being higher by distillation still inner bottom part steam (vapor) outlet coil pipe certain altitude is added in distillation still；Open steam inlet
Valve, air pressure are maintained at 1.2~1.6 atmospheric pressure；Cooling water valve is opened simultaneously, controls condenser condensed water delivery port water temperature
At 20~40 DEG C；Oil water separator is opened to fuliu post water inlet valve；After distilling a period of time, steam off air intake valve is simultaneously
Bottom slag-discharging valve is opened, all discharge is clean by water remaining in distillation still；Oil water separator bottom blow-down valve is opened, will
Oil water separator sewage draining valve is closed after raffinate is all discharged in oil water separator；Opening distillation still bottom slag-discharging valve will distill
Inside kettle distillation still bottom slag-discharging valve is closed after residual water discharge.
In a preferred embodiment, deslagging and distillation still wash phase are also included after the Rosa Damascana extraction stage, is beaten
The slag-discharging valve of distillation still bottom is opened, the rare residue after distillation and rose cooking liquor are all discharged into deslagging pond；Open charge door,
Distillation still inwall is rinsed with giant, the slag-discharging valve of distillation still bottom is closed after the completion of cleaning, at the top of distillation still
Water filling valve injected clear water into distillation still.
In a preferred embodiment, it is thick that the separation rose from oil water separator is also included after the Rosa Damascana extraction stage
The oily stage：Oil water separator is closed to the outlet valve of fuliu post, as the condensed water in condenser slowly enters profit point
From device, the Rosa Damascana liquid level in oil water separator is constantly raised and flowed out from oil-out, is collected with wide-mouth bottle；Treat out
Hydraulic fluid port rose crude oil closes oil water separator water inlet valve after being fully drained.
In a preferred embodiment, rose crude oil purification phase is also included after the separation Rosa Damascana stage：Will be from oil
Levels are isolated after the rose crude oil concentration separated in separator is stored in the first container and stands certain time
Rosa Damascana and rose crude oil, first pour into the Rosa Damascana clarified on container upper strata in second container；Rose crude oil is led to
Cross extraction funnel and pour into the 3rd container, then the rose crude oil in the 3rd container is poured slowly into and poured into by the funnel of double-layer filter paper
4th container is to obtain Rosa Damascana.
In a preferred embodiment, dewaxing stage is also included after the Rosa Damascana extraction stage：Extracted in Rosa Damascana
Every 30 minutes afterwards, 500g Rosa Damascanas are poured slowly into distillation still from fuliu post funnel, until dewaxing in need rose
Essential oil is all poured into fuliu post；Control condenser condensed water delivery port water temperature that it is small to continue distillation 8.0~10 at 35 DEG C or so
When, the Rosa Damascana collected in oil water separator had both been the Rosa Damascana after dewaxing.
In a preferred embodiment, the rose is fresh rose flower or the rose by pickling.
In a preferred embodiment, when the rose is the rose by pickling, also include when adding charge door
Remove salt phase：Into rose leaf flavonoids solution after rose leaf flavone powder is diluted with clear water, the rose pickled is immersed in rose
In rare leaf flavonoids solution and it is heated to 60 DEG C, after heating 10min, is cooled to room temperature and stands 15min, after is cleaned with clear water
Add charge door and carry out Rosa Damascana extraction.
In a preferred embodiment, the rose leaf extracting flavonoids technological process includes：New fresh-rose is taken to be cleaned
Dry and rose is rolled into Flos Rosae Rugosas pollen, with clear water according to 1:50 solid-to-liquid ratio, microwave 130w heating 1min are aided in
Extraction obtains leaching liquor, and leaching liquor obtains supernatant by centrifugation, is dried in vacuo after supernatant is concentrated under reduced pressure and obtains rose leaf
Flavones.
To sum up, the present invention comprises at least following technique effect：
Use the whole purification process of bitter water rose method of extraction of essential oil of the present invention can be with convenient and swift, efficiency high, oil-producing
Rate is high, Rosa Damascana impurity is few, quality better.
Specific embodiment
The embodiment of detailed description below can illustrate enough details so that the general those skilled in the art in the field are able to
Have to implement.Reader into the present invention it is understood that also using other embodiments or do not departing from the premise of the embodiment
Under make structural, logicality and electrically on change.Therefore, following detailed description will be not intended to be considered to be a kind of restriction,
Anti-, the embodiment included in it will be defined by right.
The invention provides a kind of system and a kind of bitter water rose method of extraction of essential oil of science, including equipment wash phase
And Rosa Damascana extraction stage, the equipment include condenser, oil water separator, fuliu post, distillation still and boiler, the equipment
Wash phase includes clear water wash phase and empty steam of high temperature is cleaned, and the Rosa Damascana extraction stage includes：Close distillation still bottom
The slag-discharging valve in portion；Open distillation still at the top of Water filling valve, toward distillation still in 150~200kg of note clear water (to be higher by distillation still
Inner bottom part steam (vapor) outlet coil pipe about 10~20CM is advisable)；Open after charge door adds 400kg roses and again close charge door；
By the supply main pipeline pressure control of boiler between the first atmospheric pressure (3.0~4.0 atmospheric pressure)；First half-open cooling water valve
Door, then open distillation still steam inlet valve goalkeeper steam addition distillation still and start to distill；The second atmospheric pressure of control pressure (0.8
~1.5 atmospheric pressure), by the size or steam inlet Valve controlling condenser condensed water delivery port that adjust cooling water inflow
Coolant-temperature gage, open oil water separator to water outlet valve goalkeeper Rosa Damascana between fuliu post lead in Rosa Damascana holding vessel.
A length of 4 hours during the Rosa Damascana extraction, the timing since when leaving condenser water mouth has condensed water outflow；From beginning timing
Rise internal control in 0.5 hour freeze condensate outlet temperature at 18 DEG C, from being started timing 0.5 hour to 3 hour internal controls freeze
Condensate outlet temperature controls condensed water outlet temperature at 20~24 DEG C from being started timing within 3 hours to 4 hours
At 26~33 DEG C.Such as occur steam from fuliu post water inlet overflow when, from fuliu post water inlet add part clear water can hinder
Disconnected steam overflows.
In a preferred embodiment, because new equipment can remain the residual of many welding, polishing etc. in production, manufacturing process
Slag.Therefore, new equipment is using preceding needing the distillation still to equipment, condenser, oil water separator and all pipe sections to carry out
Thoroughly cleaning.Specific cleaning method is as follows：Rinsed first with clear water, with giant to the inside and outside wall of distillation still, profit during cleaning
The conscientious flushing of the carry out such as separator.Pay attention to：Clear water or running water are used during cleaning, the chemistry system such as any cleaning agent must not be used
Agent.In view of clear water cleaning rough cleaning can only be carried out to the impurity that equipment surface is adhered to.Remain in condenser, water-oil separating
Inside device, fuliu post and distillation still and the residue of heating pipe, boiler tubing, various terminal, valve inwall etc., iron rust, oil
The impurity such as stain are not cleaned out.Want thoroughly to remove above-mentioned impurity just must with high-temperature steam repeatedly boiling could clean it is dry
Only.General more methods cleaned using bonding apparatus debugging with clear water boiling are cleaned.Specifically way is：First, close
The slag-discharging valve of distillation still bottom.Then, 150~200kg clear water is added in distillation still (to be higher by distillation still inner bottom part steam
20~30 centimetres of outlet coil pipe is advisable), steam inlet valve is opened, air pressure is maintained at 1.2~1.6 atmospheric pressure.Open simultaneously
Cooling water valve, control condenser condensed water delivery port water temperature is at 20~40 DEG C.Oil water separator is opened to fuliu post water inlet
Valve.Distillation 4 hours.Then, steam off air intake valve --- bottom slag-discharging valve is opened, water remaining in distillation still is complete
Portion's discharge is clean.Then, according to aforesaid operations, repeat empty steam and clean 2~3 times.Finally, oil water separator bottom blow-down is opened
Valve, raffinate in oil water separator is all discharged --- close oil water separator sewage draining valve.Open distillation still bottom deslagging
Valve closes distillation still bottom slag-discharging valve by after residual water discharge inside distillation still.It can formally start to extract Rosa Damascana
Operation.Pay attention to：Before annual production begins to use after completing with next year, all need to carry out high temperature to equipment with same method
Sky steams 2 times, so as to remove rose residue that is remaining in equipment and pipeline or having gone bad etc..Otherwise the rose produced can be caused
Essential oil band rust or peculiar smell.
In a preferred embodiment, deslagging and distillation still wash phase are also included after the Rosa Damascana extraction stage, is had
Body operating method is：The slag-discharging valve of distillation still bottom is opened, the rare residue after distillation and rose cooking liquor are all discharged into
Slag bath.Charge door lid is opened, distillation still inwall is rinsed with giant, the residual cake valve of distillation still bottom is closed after the completion of cleaning
Door, 150~200 kilograms of clear water are injected by the Water filling valve at the top of distillation still into distillation still, then add 400 kilograms of roses
Fresh flower.Cover feeding cover, start extraction process next time, its operating method and step with it is preceding described identical.
In a preferred embodiment, it is thick that the separation rose from oil water separator is also included after the Rosa Damascana extraction stage
Oily stage, concrete operation step are as follows：Oil water separator is closed to the outlet valve-with cold in condenser of fuliu post
Condensate slowly enters oil water separator, and the Rosa Damascana liquid level in oil water separator is constantly raised and flowed out from oil-out, is used
Wide-mouth bottle is collected.When oil-out Rosa Damascana is fully drained --- close oil water separator water inlet valve, rose
The collection process of essential oil is accused and completed.
In a preferred embodiment, rose crude oil purification phase is also included after the separation Rosa Damascana stage：Will be from oil
After the rose crude oil concentration separated in separator is stored in the first container and stands certain time (general 2~3 days)
Levels isolate Rosa Damascana and rose crude oil, and first the Rosa Damascana clarified on container upper strata is poured into second container；
Rose crude oil is poured into the 3rd container by extracting funnel, then the rose crude oil in the 3rd container is poured slowly into and filtered by bilayer
The funnel of paper pours into the 4th container to obtain Rosa Damascana.
In a preferred embodiment, dewaxing stage is also included after the Rosa Damascana extraction stage：Extracted in Rosa Damascana
Every 30 minutes afterwards, 500g Rosa Damascanas are poured slowly into distillation still from fuliu post funnel, until dewaxing in need rose
Essential oil is all poured into fuliu post；Control condenser condensed water delivery port water temperature that it is small to continue distillation 8.0~10 at 35 DEG C or so
When, the Rosa Damascana collected in oil water separator had both been the Rosa Damascana after dewaxing.Rosa Damascana can be greatly lowered after dewaxing
The content of middle oleoptene.After having collected the Rosa Damascana after dewaxing, also remaining has many oleoptenes in distillation still.Using raising
The method of leaving condenser water mouth temperature (highest can bring up to 60 DEG C), can separate remaining oleoptene.Separate
Oleoptene can also can be used with direct marketing as the spices of automobile champignon etc..
In a preferred embodiment, the rose is fresh rose flower or the rose by pickling.When the rose
During for by the rose pickled, also include removing salt phase when adding charge door：Rose leaf flavone powder is diluted with clear water
Afterwards into rose leaf flavonoids solution, the rose pickled is immersed in rose leaf flavonoids solution and is heated to 60 DEG C, heating 10min
Afterwards, it is cooled to room temperature and stands 15min, can add charge door after being cleaned with clear water carries out Rosa Damascana extraction.The rose
Leaf extracting flavonoids technological process includes：Take new fresh-rose to carry out cleaning, drying and rose is rolled into Flos Rosae Rugosas pollen, with clear
Water is according to 1:50 solid-to-liquid ratio, microwave 130w heating 1min carry out Assisted Extraction and obtain leaching liquor, and leaching liquor is obtained by centrifugation
Supernatant, it is dried in vacuo after supernatant is concentrated under reduced pressure and obtains rose leaf flavones.By being desalted to the rose after pickling
After processing, Rosa Damascana nitrite can be greatly reduced, greatly improve the quality of Rosa Damascana.And the present invention is to use rose
The rare rose leaf flavones for spending middle extraction carries out the elimination of nitrite, secondary pollution will not be introduced, so as to ensure rhodamine toner
The quality of oil.
To sum up, use the present invention the whole purification process of bitter water rose method of extraction of essential oil can with convenient and swift, efficiency high,
Oil productivity is high, Rosa Damascana impurity is few, quality better.
Embodiments of the invention are the foregoing is only, it is not limited to the scope of patent protection of the present invention.It is any ripe
Alike those skilled in the art is practised, is not being departed from spirit and scope of the invention, the change made and the equivalence replacement of retouching, is still this hair
In bright scope of patent protection.
Claims (10)
- A kind of 1. bitter water rose method of extraction of essential oil, it is characterised in that：The stage is extracted including equipment wash phase and Rosa Damascana, The equipment includes condenser, oil water separator, fuliu post, distillation still and boiler, and it is clear that the equipment wash phase includes clear water Wash the stage and empty steam of high temperature is cleaned, the Rosa Damascana extraction stage includes：Close the slag-discharging valve of distillation still bottom；Open and steam Evaporate the Water filling valve at the top of kettle, toward distillation still in water filling；Open after charge door adds rose and again close charge door；By boiler Supply main pipeline pressure control between the first atmospheric pressure；First half-open cooling water valve, then open distillation still steam inlet Steam addition distillation still is started to distill by valve；The atmospheric pressure of control pressure second, wherein the first atmospheric pressure is more than the second atmospheric pressure, By adjusting the size of cooling water inflow or the coolant-temperature gage of steam inlet Valve controlling condenser condensed water delivery port, oil is opened Separator to water outlet valve goalkeeper Rosa Damascana between fuliu post is led in Rosa Damascana holding vessel.
- A kind of 2. bitter water rose method of extraction of essential oil according to claim 1, it is characterised in that the Rosa Damascana extraction 4 hours of Shi Changwei, the timing since when leaving condenser water mouth has condensed water outflow；Controlled from being started timing in 0.5 hour Condensed water outlet temperature is at 18 DEG C, and 0.5 hour to 3 hour internal control refrigeration condensate outlet temperatures exist from being started timing 20~24 DEG C, condensed water outlet temperature is controlled at 26~33 DEG C within 3 hours to 4 hours from being started timing.
- A kind of 3. bitter water rose method of extraction of essential oil according to claim 2, it is characterised in that the clear water wash phase Including with giant, to the inside and outside wall of distillation still, oil water separator carries out and clear water is used when cleaning, and the high temperature is empty to steam cleaning Including：Close the slag-discharging valve of distillation still bottom；Then added in distillation still and be higher by distillation still inner bottom part steam (vapor) outlet coil pipe The clear water of certain altitude；Steam inlet valve is opened, air pressure is maintained at 1.2~1.6 atmospheric pressure；Open cooling water valve simultaneously Door, control condenser condensed water delivery port water temperature is at 20~40 DEG C；Oil water separator is opened to fuliu post water inlet valve；Distillation After a period of time, steam off air intake valve simultaneously opens bottom slag-discharging valve, and by water remaining in distillation still, all discharge is clean； Oil water separator bottom blow-down valve is opened, oil water separator blowoff valve will be closed after raffinate in oil water separator all discharge Door；Distillation still bottom slag-discharging valve will be closed inside distillation still after residual water discharge by opening distillation still bottom slag-discharging valve.
- A kind of 4. bitter water rose method of extraction of essential oil according to claim 3, it is characterised in that the Rosa Damascana extraction Also include deslagging and distillation still wash phase after stage, open the slag-discharging valve of distillation still bottom, by the rare residue after distillation and Rose cooking liquor is all discharged into deslagging pond；Charge door is opened, distillation still inwall is rinsed with giant, closes and steams after the completion of cleaning Evaporate the slag-discharging valve in bottom portion, by the Water filling valve at the top of distillation still into distillation still injected clear water.
- A kind of 5. bitter water rose method of extraction of essential oil according to claim 3, it is characterised in that the Rosa Damascana extraction Also include separating the rose crude oil stage from oil water separator after stage：Oil water separator is closed to the water outlet valve of fuliu post Door, as the condensed water in condenser slowly enters oil water separator, the Rosa Damascana liquid level in oil water separator is constantly pushed away Height simultaneously flows out from oil-out, is collected with wide-mouth bottle；Oil water separator water inlet is closed after oil-out rose crude oil is fully drained Mouth valve.
- A kind of 6. bitter water rose method of extraction of essential oil according to claim 5, it is characterised in that the separation Rosa Damascana Also include rose crude oil purification phase after stage：The rose crude oil separated from oil water separator is concentrated and is stored in first Levels isolate Rosa Damascana and rose crude oil in container and after standing certain time, first the rose clarified on container upper strata Rare essential oil is poured into second container；Rose crude oil is poured into the 3rd container by extracting funnel, then by the rose in the 3rd container Crude oil is poured slowly into pours into the 4th container to obtain Rosa Damascana by the funnel of double-layer filter paper.
- A kind of 7. bitter water rose method of extraction of essential oil according to claim 1 or 6, it is characterised in that the Rosa Damascana Also include dewaxing stage after the extraction stage：500g Rosa Damascanas were delayed from fuliu post funnel in every 30 minutes after Rosa Damascana extraction Slowly pour into distillation still, until the Rosa Damascana of dewaxing in need all poured into fuliu post；Control condenser condensed water Delivery port water temperature continues distillation 8.0~10 hours at 35 DEG C or so, collects the Rosa Damascana in oil water separator both to be as de- Rosa Damascana after wax.
- 8. a kind of bitter water rose method of extraction of essential oil according to claim 1, it is characterised in that the rose is rose Fresh flower or the rose by pickling.
- 9. a kind of bitter water rose method of extraction of essential oil according to claim 8, it is characterised in that the rose is process During the rose pickled, also include removing salt phase when adding charge door：Cheng Mei after rose leaf flavone powder is diluted with clear water Rare leaf flavonoids solution, the rose pickled is immersed in rose leaf flavonoids solution and is heated to 60 DEG C, after heating 10min, drop Warm to room temperature and stand 15min, can add charge door after being cleaned with clear water carries out Rosa Damascana extraction.
- 10. a kind of bitter water rose method of extraction of essential oil according to claim 9, the rose leaf extracting flavonoids technological process Including：Take new fresh-rose to carry out cleaning, drying and rose is rolled into Flos Rosae Rugosas pollen, with clear water according to 1:50 solid-to-liquid ratio, Microwave 130w heating 1min carries out Assisted Extraction and obtains leaching liquor, and leaching liquor obtains supernatant by centrifugation, supernatant is depressurized Vacuum drying obtains rose leaf flavones after concentration.
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