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Laboratoire PhytoChemia
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A few drops of essential oil of Rosa rugosa 🌺 but not enough to get it ! #essentialoils #science #chemistry #rose #hydrosol https://www.facebook.com/alchemiasolutions/videos/280813952477188/
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Formation sur la distillation et la chimie des huiles essentielles présidé par M. Benoit Roger, Ph.D.



M. Roger cumule plusieurs années d'études dans le domaine de la chimie des huiles essentielles. Cet atelier vous permettra de connaître les principes de base de la distillation et de la science qui se cache derrière ce processus.



Démonstration d'un alambic sur place



Ce samedi 14 juillet 2017 au Grand Théâtre de Québec



Il est encore temps de s'inscrire !

#distillation #science #huileessentielle #phytochemia #alchemia



https://www.facebook.com/events/182153629132243/
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Avis à tous ! 🎉

Notre fière partenaire Alchemia Solutions donnera un atelier-formation 👨‍🏫 sur la distillation et la chimie des huiles essentielles ce Samedi 14 Juillet 2018 à Québec ⚗️

Où : Grand Théâtre de Québec
Quand : 10h à 17h , le 14 juillet 2018
Coût : 100$ l'inscription pour la journée

Pour plus d'informations, vous pouvez consulter la page officielle de l’événement : https://www.facebook.com/events/2089887647900811/
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* New Blog Post *

About Canadian wintergreen 🌿

Always looking for a deeper knowledge of our surrounding plants, we recently distilled eastern teaberry or American wintergreen (Gaultheria procumbens) freshly harvested in our local boreal forest (Saguenay, QC, Canada).

https://www.phytochemia.com/en/2018/07/03/about-canadian-wintergreen/
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Poet’s narcissus (Narcissus poeticus) freshly picked ready to become a lovely absolute! Their smell is out of this world! 👃🌸

#phytochemia #teamphytochemia #phytofamous #laboratory #lab #essentialoils #chemistryisfun #scienceisfun #phytochemistry #saguenay
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Gaultheria procumbens - Wintergreen. One of those small treasures of the boreal forest 🌿 that is often found under jack pines and is not often used. For Quebec friends, crush a leaf or a fruit and you will find the smell of the famous pink pepperminth candy 🍬. Being composed about 99% of a compound related to aspirin, the essential oil from this plant is particularly interesting in aromatherapy.

Since the main aromatic compound, methyl salicylate, is not free in wintergreen (present in the form of glycoside), it is advisable to macerate in hot water the night before distillation to release it by the enzymes of the plant. The condenser directly mounted on the device (reflux mode) corresponds to this step (see the photo below). The condenser is used here to trap the aromatic vapors during maceration.

Following the maceration, the distillation proper ⚗️. We distilled 2.7 kg of plant to obtain about 20 g of essential oil (0.75% yield) during 5 hours of hydrodistillation. For this special oil, we used our separator (essencier) in a '' heavy oil mode ''. In this case, the oil remains trapped in a glass vial immersed in the separator. The hydrosol which remains relatively heavy in essential oil back in the still throughout the distillation (distillation with cohobation) and as described by Guenther (1947), when the distillation ends the hydrosol becomes more and more clear. It only remained for us to extract the bottle from the separator and to pipet the accumulated oil at the bottom of the flasks 👨‍🔬

We did some tests on the hydrosol 👩‍🔬 and it takes long hours to settle and does not become completely clear until the day after the distillation. It also decants faster at room temperature than in the refrigerator (see photo with two bottles of whitish hydrosol, the right one corresponds to the hydrosol decanted for several hours at room temperature, the one on the left was left for several hours at fresh temperature).

Given the slow settling of the very fine oil droplets, it is impossible to have a good settling in line, hence the importance of returning the hydrosol in the still (co-approval) to maximize yields 🤗

https://www.facebook.com/161946344363950/videos/260274561197794/?t=20
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