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Type: Article

Carvone

An aroma chemical profile: carvone. The basic organic chemical structure of the carvones is similar to that of the menthols and menthones. Thus, it is not surprising to discover a distinct organoleptic impression for each optical antipode. However, the organoleptic impressions are not similar to menthol or menthone, nor do the carvones display the cooling effect of menthol.

Progress in Essential Oils

Brian Lawrence discusses dill oil, dill extract, Lavandula stoechas Oil, Verbena, Lemon Verbena, Ajowan Oil, Tolu Balsam Oil

Progress in Essential Oils

Ammi visnaga oil; artemisia annua, or annual wormwood, oil; Lebanon cedarwood oil and extract; and calamus oil

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Progress in Essential Oils: Spike Lavender

This month's column discusses the chemical composition of spike lavender (Lavandula latifolia Medic).

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Progress in Essential Oils: Grapefruit Oil

This month's issues discusses the chemical composition of grapefruit oil.

Synthetic Routes to Carvone

Methods leading to (–)-, (+)-, and (±)-carvone have been reviewed, The technical production of (–)-carvone is based on the widely available (+)-limonene; the most favored route is that epitomized in Chart 1. Though the steps involved are simple, their exploitation is a wellguarded secret, There is no similar commercialscale production of (+)-carvone because the basic materials for its synthesis are not as readily available. However, sooner or later the rising demand for this ketone will ensure that it, too, will be produced synthetically.

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Progress in Essential Oils: Spanish Oregano Oil

This month's column discusses the chemical composition of Spanish oregano oil.

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Progress in Essential Oils: Sweet Fennel Oil and Extract

In this column, Brian M. Lawrence reviews the composition of sweet fennel oil and extract as found by various researchers. For example, a commercial sample of sweet fennel oil was screened for its anti-platelet activity by Tognolini et al. (2006) and Guerini et al. (2006) using GC-FID and GC/MS. Results are reported herein.

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Progress in Essential Oils: Lemon Verbena Oil

This month's column discusses the chemical composition of lemon verbena oil.

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Progress in Essential Oils: Turmeric Oil, Part 1

Turmeric is well-known as the yellow, aromatic spice used in curry powder and numerous Asian culinary dishes. It is the rhizome of Curcuma longa L., a member of the ginger family. Part one of this two-part column compares the chemical compositions of turmeric oil with Curcuma aromatica.

Linalool Oxide

The floral, herbal notes of this ingredient can brighten fruit flavors, tea and more.

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Progress in Essential Oils: Thymol-rich Thymus vulgaris oils – Part 1

A derivative of thyme oil, thymol contains antibacterial, anti-inflammatory and antioxidant properties, among others. Part 1 discusses the various constituents of thymol-rich thyme oils.

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Progress in Essential Oils: Juniper Berry Oil

This month's column discusses the chemical composition of juniper berry oil. Some of its common uses include seasoning mixtures in the food industry as flavorings in marinades for meat and fish, as well as in beverages such as tea, beer and brandy

Flavor Bites: laevo-Rose Oxide

This floral note is essential in lychee flavors and adds realism to other flavor types.

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Progress in Essential Oils: Silver Fir or Abies alba oil

This month's column discusses the chemical composition of silver fir oil.

Isomerization of Dihydromyrcene Oxide

In the search for new odorants, the isomerization of dihydromyrcene oxide was explored. A new aldehyde was identified and several of its derivatives were prepared. No doubt, new, interesting C10 molecules till continually be made from the pinenes.

Flavor Bites: Nerol Oxide

This heat-stable ingredient is suitable for a wide range of mango and berry applications, especially in confectionery.

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Progress in Essential Oils: Spanish Sage Oil

Sage has been used as a spice and medicine throughout history with its use, growing in a variety of flavor and fragrance applications. This month, we take a closer look at the chemical constituents of pure and hybrid Spanish sage oils.

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