Hydro-distillation for Essential Oil Separation: Dr. Bhushan P Pimple
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- เผยแพร่เมื่อ 17 ก.ค. 2020
- Dr. Bhushan P Pimple, clove oil, clevenger, clavenger, volatile oil
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thanks alot sir, this video really helped me in exam... thankyou for making it more easy to understand ....
Glad to know, Vanshika. Thanks for watching. All the best.
This video and explanation is really amazing.Sir, I am working on a project where I need to extract mint oil from mint leaves so will it be possible by this method??
Thanks for watching. I'll recommend to go for steam-distillation instead of hydro-distillation as yield and quality it would be more efficient
Thank you for this video sir,it help me on my job
Many thanks for watching.
Thank you very much
Thanks for watching.
❤❤
Thank you🙏🙏
Sir, I was taught that during hydro distillation process there is an extraction medium, like a non polar solvent (hexane) is used to absorb the gaseous oil as it flows from the condenser. But you didn't made mention of it. Is hexane important in hydro distillation extraction?
Yes, you are taught correctly. If the extracted oil is very less or if the oil is to be used for any phytochemical analysis, then we make use of any water immiscible solvent (hexane, pentane or ether) to dissolve it. Later on we may separate the layer & evaporate the solvent. But, if we just want to quantify the oil (for QC of crude drug) separation is not necessary.
I appreciate your querry. Thanks for watching.
Good morning sir
It is very informative.
I have a project on tulsi leave. By which method I got the maximum extract.
Thank you Kiran for watching the video.
You should go for hydro-distillation if you want ocimum leaf oils.
Shade dry the leaves, crush with hands (do not grind in grinder as it may cause loss of volatile components due to friction). Soak the crushed leaves in water (in the same RBF) overnight for better yield.
Thanks for the video sir, it's tough to separate the water content from oil. If I add anhydrous sulphate then it's become impure and 2ndly in our we don't have fractional distillation unit in our lab. So, what's the good or alternative method sir, please sir give your valuable suggestions
Thanks for watching. Collect the distillate (with water), shake with CCl4 or CHCl3 in a separatory funnel. Collect the lower layer from the separator and evaporate to dryness at room temp in a graduated tube.
No need to use a fractional distillation unit. Use a separating funnel and shake distillate with diethyl ether (caution;: hingly inflammable) then evaporate ether layer
Hello sir, I need your suggestion..we use steam distillation for extraction of Essential oil of Eucalyptus and pine ....we get essential oil but excessive amount of water in it.. further we use distillation unit for the separation of water...but we didn't get essential oil.
Many thanks for watching. Instead of distillating the oil-water mixture, just let it cool in refrigerator. The oil will float on water, then you may separate by separator (separating funnel) only if the quantity is sufficient.
Alternatively, you may shake the oil-water mixture with diethyl ether n separate the ethereal layer and evaporate to dryness at room temp.
Hi sir, I would be very grateful if you can help me, when It is better to do hydrodistillation and steam distillation?
I want to make sandalwood, frankincense, myrrh and palo santo essential oil
Thank you!
If you have the assembly for steam distillation, I'll suggest to go with it. As steam distillation is advanced technique and has more yield, reduced hydrolysis of essential components.
An electric rice cooker with slight modification (for steam collection) can be least expensive device. Of course, you'll need a professional for modification.
Good Evening sir...I have the project on betel leaf..in which method I will get maximum oil weather in steam or hydro distillation...
Hello Priya, thanks for watching.
Betel leaf does not contain sufficient essential oil.
However, steam distillation is always more efficient than hydrodistillation for any crude drug.
Sir namaste. Sir I am fr mumbai. I want to know some more knowledge of distillation. Plz plz sir how can I contact yu. Plz reply. Sir I have to put my unit
Thanks Shamim. Plz drop your querry on pimplebhushan@yahoo.co.in
Sir, I want to extract essential oils from spices for my project. but the apparatus is not available in my college. Could you tell me where I can do hydrodistillation in Pune?
What is the amount of oil you need? If its few ml, our institute may help you.
After collecting oil, how to preserve that for further analysis.
Preserve in tightly stoppered container in a cool and dark place, preferably in an amber bottle.
Some oils may darken upon exposure to light.
You may refrigerate some oils as well (4-10 degree)
Thanks for watching
Hi sir, may I ask what is the ratio of the crude drug and water?
There's no specific ratio. It depends upon the flask. Water is just a heating medium, else the drug will get charred.
Is Hydro Distillation better for making hydrosols? I guess yes cause in this way the essential oils stay into the hydrosol? I read that when hydrosols is a by-product of essential oils like in steam distillation the hydrosol is not so good in quality. I want to make the best quality of hydrosols... I know that for essential oils steam distillation is way better... Please Dr let me know !
Hydrosols are usually made up of floral oils. Most of the floral essences are thermo-labile (degrade at high temperature). Hence, hydro-distillation is not the preferred method.
Enflurage method is ideal for floral essential oils. Finally, these isolated oils can be mixed in a co-solvent (few mls of ethanol) then dispersed in water.
For citrus oils you may use eculle method/solvent extraction.
If possible go for Supercritical fluid extraction it is ideal for all kinds of oil.
@@bhushansong THANK YOU!
Hello sir , I tried to extract essential oil by hydro distillation method . My actual problem more water is obtain instead of essential oil. Pleas let me know about this problem
Hello Mansi,
Thanks for watching the video.
Let me first clarify that water is a heating medium in this experiment. It will keep on circulating through the return tube.
If the crude drug has sufficient amount of thermostable volatile oil, then, you may find it either on the top or bottom of the water column in the receiver.
Initially check the powdered crude drug for presence of volatile oil by pressing it between 2 filter paper, it should show oily stain (that evaporates on heating).
Alternatively, you may gently heat a pinch of crude drug with water in a test tube, it should evolve aromatic odor.
Check n let me know if these tips are helpful.
pleaase share your number .
pimplebhushan@yahoo.co.in
plz mail me your doubts. I'll try my best to clear.
Many Thanks for watching.
Sir what is the mathematically calculation after the extraction of essential oil , I have a project on it
Ex. Suppose you have taken 25 g of clove powder & you've got 1 ml oil. The % yield = (100 × 1)÷ 25
= 4 % v/w
Where v represents oil in ml obtained & w represents crude drug taken in g
@@bhushansongit is sufficient for my project ? or other material balance carried out for my topic . My topic is extraction of essential oil from hydro/water distillation of tulsi
@@anchurdalvi phyto-chemical tests, physico-chem (boiling range, RI, Opt rot, viscosity etc) chromatographic profiling can be the parameters to study
REF stands for what? thank you
Its RBF a short form for round bottom flask. A heating mantle has complimentary pocket to accommodate an RBF and heat efficiently.
Let me tell you that most succesful method of extracting rose essential oil is hydrodistillation
Thanks a lot. I'll surely try.