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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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Lemon Essential Oil: World Production, Extraction Methods and Trading

Looking into the future, it appears not so difficult to predict that worldwide consumption of lemon oil should be showing a further growth rate during the next ten years or so. Whether the industries will be able to supply the growing market in appropriate volumes and accessible prices, is something that remains to be seen.

Stability of Citral-Containing and Citralless Lemon Oils in Flavor Emulsions and Beverages

The storage stability of lemon oil treated to remove citral has not been reported. This investigation was conducted to compare the stabilities of citral-containing and citralless lemon emulsions (EC and ECL) and beverages (BC and BCL) during storage at different temperatures by both gas chromatographic and sensory analyses.

A New Method of Separation of Citral from Lemongrass Oil

Although many methods are known for the separation of citral from lemongrass (Cymbopogen flexuosus) oil, like fractional distillation, adduct formation and regeneration, the purity and the yield of citral as separated are not satisfactory. A new method for separation of citral in pure form and in near quantitative yield uses the column chromatographic technique. This method may also be adapted for large scale separation of citral and hence can be of commercial importance.

HPLC-NMR — a Powerful Tool for the Identification of Non-Volatiles in Lemon Peel Oils

Citrus peel oils are of great importance for the flavor and fragrance industry because they are widely used in perfumes, beverages, food and cosmetic products. Many publications cover the analysis of the volatile substances of peel oils.

Progress in Essential Oils: Asafoetida Oil

This month's column discusses the chemical composition of asafoetida oil and extract.

Progress in Essential Oils: Galangal Oil

Galangal or greater galangal oil is obtained from the steam distillation of comminuted rhizomes of Alpinia galanga Willd. a spice which has a woody, fl oral spicy aroma that is dissimilar to ginger. A limited amount of oil of galangal is produced in various countries in southeast Asia.

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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.

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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.

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.

Progress in Essential Oils: Turmeric Oil

This article examines the composition and distillation methods of turmeric oil, including both the leaf and flower components.

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Progress in Essential Oils: Mediterranean Pine Oil

This month, Brian Lawrence discusses the olfactory and chemical composition of Mediterranean pine oil.

Progress in Essential Oils: Rhododendron Anthopogon Oil

This month's article discusses the chemical composition of Rhododendron anthopogon Oil.

Progress in Essential Oils: Rangpur Lime Oil

The present article reviews the components found in different plant parts of Rangpur lime oil, e.g., the peel oil and cultivars, by various researchers using a variety of methods, including GC-FID, GC/MS and others.

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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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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

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