#essentialoil #lemon #steamdistillation
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Hello everyone! Thanks for stoping by and watching my video. With this project I am celebrating that I recently reach 10k subscribers. I made a video about this topic in my beginings so I felt it was appropiate to repeat what I did with the difference of using much larger quantities and an appropiate bigger distiller. I hope you enjoy it watching it ;D
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In my last video there are quite a lot of people that keep asking the same kind of questions so here it is a short FAQ:
- "This is not steam distillation but hydrodistillation": Ok. First of all, let me say that I am a chemist so we see things differently from people who do this kind of stuff in the more amateur way. No matter what you call it, the process that takes place is that the steam comes in contact with organic compounds and form an azeotrope in the gas phase, then they condense and in liquid form they no longer form an homogeneus mixture so they separate. This is called (sadly for some people D;), steam distillation. It seems like if the water comes in contact with the material to be extracted the process is called hydrodistillation. I do not really care about what is the proper name, but I really do when we are talking about the process in which this happens, physicochemically speaking. In addition, and I can say it from my personal experience, is that if you want to separate a compound by steam distillation, the most popular process is just adding water and perform a "simple distillation". This is not called hydrodistillation, so if my chemist colleagues dont called that, me neither haha. I really hope this gets clear.
- "Why use hexane?" : Again, I am a chemist. In almost 100% of organic research labs liquid-liquid extraction is mandatory and necessary. I had the proper solvent needed for that task so I used it. Why? Because I was working with very little amounts of essential oil and liquids have the bad habit to stick to the glassware. If I just decant the phases I'll lose not much quantity but enough to reduce my yield a lot (since, again, I was working with very little amounts). L-L extraction is easy to perform and allows us to take all the product that we want. As you can see, in this video I am working with huge, HUUUGEE, amounts of essential oil, so losing what may be stick to the glassware or even tiny frops is not so important.
- "Since the use of hexane... Is it safe to use?" : Probably not. In adittion I perform the L-L extraction because I just wanted to store my EO in the container, no use after all. If you want to use essential oil you must use glassware that has never been in contact with any chemicals and not use any solvent. The alternative is to just buy it, which is much cheaper. And that leads me to the last question.
- "Is'nt it more cheap to buy it rather than extracting it?" : Sure, but it is 0 fun and I can say I get my EO by my own ;D
Hope that clarifies some doubts about my last video.
In relation to all of that, I made his video. As you can see I did not use any solvent and all my glassware came out from the package from the first time, so it is perfectly safe to use it in perfumes and soaps.
Here you can see the paper that I found to show you the essential oil organic compounds and propotions: Comparison of lemon oil composition after using different extraction methods
Aslı Gök,Ş. İsmail Kirbaşlar & F. Gülay Kirbaşlar
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9 ноя 2019
