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Michael Thomsen Blog

Michael Thomsen's blog about phytotherapy (herbal medicine), nutrition, how to improve your healthspan and longevity.

Spearmint (Mentha spicata) antiandrogenic activity and PCOS

M. spicata contains about 0.21–2.1% volatile oil, 29–74% carvone, 4–24% limonene and 3–18% cireole. Carvone is the most important constituents of M. spicata.(Akdogan et al. 2007) Carvone has some endocrine function but it is not well studied. have investigated whether the men who live in Yeniarbade...

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Andrographis safety

In 2008, a spike in anaphylactic and allergic adverse drug reations (ADRs) was observed for products including on the ARTG that contained the ingredient Andrographis paniculata. Nyal cold and flu products were associated with 22 anaphylactic/ allergic-type reactions in 2008. These products also contained Sambucus nigra (Elderberry) and Salix alba (...

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Book Review: Phytotherapy Desk Reference

PDR5Reviewed by  Mim Beim

My original copy of Michael Thomsen’s Phytotherapy Desk Reference is herb-stained and dog-eared. So it was with much excitement that I received the latest edition of this little gem.

The book, as with the previous editions, has been designed not as an exhaustive materia medica but rather as a desk reference for the busy herbalist. It contains short, precise descriptions of 236 of the most commonly used herbs in Australia and New Zealand.


The extensively revised and updated 5th edition of the Phytotherapy Desk Reference

Phytotherapy Desk Reference 5th Edition ISBN: 978-0-646-82443-7 Soft-cover, spiral bound. 200 pages. 233 Monographs.