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Author: Subject: Chemical composition of spices and aromatic/flavorful natural substances
Rattata2
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[*] posted on 21-4-2012 at 19:55
Chemical composition of spices and aromatic/flavorful natural substances


I'm looking to compile a chart listing the chemical composition of the essential oils of most common spices, including the rough percentage of the oil that each chemical makes up.

I've found one resource so far with this information, in the book "Natural Sources of Flavourings", by the Council of Europe..but it's only a google books preview, and I don't think it contains all the different spices etc that I'm looking for. However, it does contain the format I'm looking for,

eg:
Tarragon
camphene 0.01-0.35%, myrcene 0.65-1.70%, limonene 0.60-4.65%

etc.

However again, I can't access the full book, and it's like $80 or more, so I can't really buy it atm.

I'm looking to find more resources with this kind of information. Anybody know where to look?
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Nicodem
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[*] posted on 22-4-2012 at 04:23


Quote: Originally posted by Rattata2  
Anybody know where to look?

In the scientific literature, obviously. The analysis of the secondary metabolites in living organisms is a science after all. Besides the information in the dozens of thousands scientific articles, hundreds of review articles and dozens of books, there is even one free database: Dr. Duke's Phytochemical and Ethnobotanical Databases.




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EssOilChem
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[*] posted on 30-4-2012 at 12:43


The Council of Europe webpage, found here, just may have the pdf file you desire (for free! I think thats probably the same thing you saw on google, maybe not), however that particular book looks very limited on which oils and spices they researched. Searching their site at the top may give you more results though. If you need a book, it helps to type the name of the book in quotations into google, and then outside of quotes, type "pdf" and hit search.

Perhaps the best way would be to look up each oil or spice individually, would probably be the fastest way... Nicodem's link above has a lot of great info.

Wikipedia usually has these listed right on each oil's page, under "components," by percent, with references (so you can see if its actually worthy of believing). The reason its hard to find certain percentages of compounds in each oil is because its not going to be uniform at all. The percents of each compound can vary greatly depending on where and when (time of year) each plant was harvested. It can depend on a lot of other factors too. This book (a very long read), has percentages of chemical compounds of herbs, spices, and essential oils taken from multiple samples so, I guess you could take an average of the samples...

This book looks promising: "The Aromatherapy Workbook" Going for like $0.41 cents on Amazon right now.

This page, has most oils and their components, however doesn't state a percent. But it does have some valuable information (in the reverse form of the way you want to look it up (which oils contain terpenes, alcohols, phenols, ketones, etc.).

This pdf (book, vol. 1) and this pdf (book, vol. 2) hosted right here on sciencemadness, has ALOT of valuable information that you may be interested in.

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