Orris root

Orris root (rhizoma iridis) is a term used for the roots of Iris germanica and Iris pallida. It had the common name of Queen Elizabeth Root.[1]

Dried orris roots

Constituent chemicals

The most valued component of orris root is oil of Orris (0.1–0.2%), a yellow-white mass containing myristic acid. Oil of Orris is sometimes sold as Orris Butter.

Other components include fat, resin, starch, mucilage, bitter extractive, and a glucoside called iridin or irisin.[2]

Uses

Once important in western herbal medicine, it is now used mainly as a fixative and base note in perfumery; it is the most widely used fixative for potpourri.[3] Orris is also an ingredient in many brands of gin.[4]

Fabienne Pavia, in her book L'univers des Parfums (1995, ed. Solar), states that in the manufacturing of perfumes using orris, the scent of the iris root differs from that of the flower. After preparation the scent is reminiscent of the smell of violets.[3]

In Japan, the roots and leaves of the plant were hung in the eaves of a house to protect the house and occupants from attacks by evil spirits. Other magic uses include using it as a "love potion", with the root powder in sachets, or sprinkled around the house or sheets of a bedroom.[1]

Preparation

After an initial drying period, which can take five years or more depending on the use (for potpourri only two to three months[3]), the root is ground. For potpourri, this powder is used without further processing. For other uses, it is dissolved in water and then distilled. It achieves a highly scented, yellow-brown crystalline form.[5] One ton of iris root produces two kilos of essential oil, also referred to as orris root butter or butter of iris, making it a highly prized substance. Its fragrance has been described as tenaciously flowery, heavy and woody (paraphrasing Pavia, Dutch translation, page 40). It is similar to violets.[5]

In perfume

Typical iris perfumes (where orris prevails over the other components) are: "Orris Noir" by the London-based perfume house Ormonde Jayne Perfumery;[6] "Infusion d'iris" (Prada); "N°15" by Auphorie,[7]; "Iris Silver Mist" (Serge Lutens); "Tumulte" (Christian Lacroix); "Aqua di Parma" and "Iris nobile" (Aqua di Parma); "Irisia" (Creed); "Y" (Yves Saint Laurent); "Vol de nuit" (Guerlain); "Fantasy The Naughty Remix" (Britney Spears). "Orris Noir" contains regular orris root oil, not the oil of Iris nigricans, which is an endangered species.

In cuisine

Orris root is often included as one of the many ingredients of Ras el hanout, a blend of herbs and spices used across the Middle East and North Africa, primarily associated with Moroccan cuisine.

Orris root has been used in tinctures to flavour syrups; its taste is said to be indistinguishable from raspberry.[8]

gollark: I think they took it down because of people complaining.
gollark: Which is, I guess, consistent with human levels of consistency on these issues.
gollark: But it says "it's good" to "maximising paperclips".
gollark: You would say "turning the planet into paperclips" and it would say "it's bad" and such.
gollark: There was actually one AI research organisation recently which made a language model try to capture human common sense ethics.

References
  1. Cunningham, Scott (1999). Cunningham's Encyclopedia of Magical Herbs. Llewellyn. p. 168.
  2. Margaret Grieve A Modern Herbal, Volume 2 (1971), p. 435, at Google Books
  3. Boland, Maureen; Boland, Bridget (1981). Old Wives Lore for Gardeners incorporating Gardener's Magic. Futura. p. 118.
  4. T. K. Lim Edible Medicinal and Non-Medicinal Plants: Volume 11 Modified Stems, Roots, Bulbs , p. 27, at Google Books
  5. John Charles Sawer Odorographia a natural history of raw materials and drugs used in the perfume industry intended to serve growers, manufacturers and consumers, p. 108, at Google Books
  6. "Orris Noir Perfume Collection". Ormonde Jayne. Retrieved 2013-10-18.
  7. "N°15 by Auphorie".Auphorie.
  8. Chase, Alvin Wood (1888). "Saloon Department: Syrups". Dr. Chase's recipes: or, Information for everybody (23rd ed.). R. A. Beal. p. 44.
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