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Rosa, Rosam, Rosae

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The Chemistree History

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Rosa, Rosam, Rosae

5 February 2020

Corine Lormel , PhD As suggested by the Latin declension of the title, this February we will look at a series of blog posts on the theme of roses. In this first post, we will start with a historical overview of the rose’s botany and a summary of the main methods to produce rose derivative

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The Mystery of the Unknown Compounds in Your Essential Oils Analysis Reports.

13 December 2019

Corine Lormel, Ph.D. Some customers are surprised to see a compound named ‘’Unknown’’ in the listing of their essential oils analysis reports. Why do chemists keep them in all reports? Are they just unidentified compounds? Why don’t chemists  try to identify them? In this paper, we will try to understand what is behind the famous

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#Labwasteday & Waste Diversion Rate : What Does that Mean ?

27 November 2019

Corine Lormel, Ph.D. You probably don’t know these terms, but you will soon! Environmental concerns are not limited yet to the public domain! These last years, labs environmental impact, that went unnoticed, has been rising. Just two weeks ago, The Guardian (Bell, 2019) published an article focusing on the “addiction to plastic” in the labs

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100% Identification?

26 January 2019

Popularization – Alexis St-Gelais, M. Sc., chimiste Analysis reports for essential oils profiles most often report some total of the compounds identifications. In our reports, as in scientific literature, the total almost never makes it to 100%. However, many other testing laboratories consistently report that they identified 100% of their oils in routine. How is

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Agarwood Oil: a Few Characteristic Compounds

20 November 2018

Alexis St-Gelais, M. Sc., chimiste – Popularization Agarwood: one of the most prized, rare, and exotic essential oils. We have discussed on these pages earlier the most common problem encountered with this material on the market, that is, serial dilutions with carriers. But what is to be expected into agarwood oil itself? There have been

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The other Side of Oils: Vegetable Oils and Fatty Acids Profiles

19 June 2018

Alexis St-Gelais, M. Sc., chimiste – Popularization Quality control of essential oils is an important issue in the worlds of flavour & fragrances and aromatherapy. But most of the time, these oils are not used pure. It is in fact recommended to dilute them prior to use, and a logical and popular solution to that

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