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Type: Article

Progress in Essential Oils

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

Composition and characteristics of dill: a review

It is apparent that dill and its extracts are a potential source of biologically active compounds, some of which could be extracted from the plant material without detriment to its flavour quality.

Essential Oils: Yesterday, Today and Tomorrow

During the last 30 years, we have witnessed many changes within the essential oils industry. Essential oil production and processing are an important part of the global flavor and fragrance industry. Along with aroma chemicals, they constitute the creative building blocks for virtually all flavors and fragrances.

Chemistry of α-Phellandrene

Hitherto a neglected p-menthadiene, a-phellandrene at long last has found a worthy place as a raw material for chemical processing, leading to valuable products such as thymol, menthol and p-menthenyl alcohols. Further research on this terpene should open up routes to many other interesting and useful chemicals.

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New Food Grade Botanical Extracts Offer Functionality and Flavor

Natural effects and claims for soups, nutritional bars, cereals, health supplements, and more.

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.

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.

Molecule of the Month: 5-Isopropyl-2-methylphenol

Organoleptic profile and application areas.

IFEAT 2003

The IFEAT 2003 International Conference in Essential Oils and Aroma Trades has moved down under. While the northern hemisphere will be hunkering down for winter, Australia will be blooming into spring. What a perfect time to visit this region, with its abundance of essential oil-bearing plants, including tea tree, sandalwood, eucalyptus, fennel, dill and boronia, among others.

Many of this month’s ingredients feature sweet, spicy and warm notes.

Organoleptic Characteristics of Flavor Materials

This month’s column features discussions on spearmint oil, osmanthus absolute and more.

Cuminaldehyde

A distinctive ingredient with the spicy essence of cumin

Anethole

An aroma chemical profile, anethole.

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Progress in Essential Oils: Cubeb Oil

This month's column discusses the chemical composition of cubeb oil derived from Piper cubeba L.

Progress in Essential Oils: Spanish Marjoram Oil, Lesser Galangal Oil and Wormwood Oil

This edition discusses the chemical composition of Spanish marjoram oil, lesser galangal oil and wormwood oil.

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Progress in Essential Oils: Grapefruit Oil

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

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Progress in Essential Oils: Tagetes Oil

This month's column discusses the chemical components of tagetes oil.

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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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Progress in Essential Oils: Long Pepper Oil

The present article is a survey of literature evaluating the constituents of Piper longum L., or long pepper, fruit oil. In one case, early researchers found the oil was devoid of monoterpene compounds and rich in sesquiterpenes, with b-caryophyllene being the major hydrocarbon. Lawrence (1978) and others also examined the composition of P. longum, the findings from which are discussed here.

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