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Progress in Essential Oils

Brian Lawrence discusses Laurel Leaf Oil, Parsnip Oils, Myrtle Oil, Calamus Oil

Essential Oil Contents and Chemical Composition of Turkish Laurel Leaves

Laurus nobilis L., an evergreen tree, is cultivated in many temperate and warm parts of the world, particularly in the countries bordering the Mediterranean. During the last ten years, Laurus nobilis L. has been an interesting subject for many researchers from Albania to Japan and from Greece to Argentina. However little has been published on the oil of Turkish laurel leaves even though Turkey has a great exporting capacity in this area.

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Progress in Essential Oils: Celery Seed and Leaf Oils

This month's column discusses the chemical compositions of celery seed leaf and oil.

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Pink Pepper Fruit and Leaf Oils

This month's column discusses the chemical composition of pink pepper fruit and leaf oils.

Leaf essential oils of three different varieties of Citrus reticulate Blanco growing in Egypt

Paper of the 7th International Congress of Essential Oils, Kyoto, Japan, October 1977. This work was undertaken for the purpose of exploring new sources of citrus oils which may be useful as food flavors and in the fragrance industry. The study deals with the analysis of leaf essential oils of three different varieties of C. reticulata Blanco which flourish in Egypt.

The Chemical Composition of the Leaf Essential Oils from 110 Citrus Species, Cultivars, Hybrids and Varieties of Chinese Origin

We carried out systematic analytical studies on the composition of the leaf oils from 110 citrus species, varieties, hybrids and cultivars of Chinese origin in order to look for new resources for essential oils and provide the systematic chemical-composition data of the leaf oils for the taxonomy of citrus plants.

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Progress in Essential Oils: Lavender Oil

Brian Lawrence, consultant, explores lavender oil composition in this issue.

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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: Lemon Verbena Oil

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

Lime Oils from Mexico

We believe that this year Mexican lime oil production will reach 3,000 drums. No stock seems to be available in Mexico from last year’s production; however, some plants are already turning out a substantial amount of product.

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Exploring Essential Oils in Las Américas

After 17 years, IFEAT returns to South America to discuss the challenges, opportunities and future of LATAM's essential oil industry and its impact on the global market.

Leaf Alcohol

Leaf alcohol and its derivatives are a symbol of the “green revolution in flavors and fragrances that developed in our industry during the 1960’s.” Its commercial introduction changed the nature of flavors and fragrances and resulted in the wide spread use of n-hexenyl based materials, Today, more than 40 structurally related aroma chemicals are being utilized in our industry and all at relatively low formula percentages.

Composition of Vietnamese Essential Oil from Melaleuca Leucadendron L.

In this paper, the chemical composition of the oil, established by a combination of gas-chromatography (GC) and gas-chromatography/massspectrometry (GC/MS), is described.

The Essential Oil from Rosmarinus officinalis L.

The essential oil produced from the leaves of Rosmarinus officinalis L. is an important essential oil of Spain. The Rosmarinus offlcinalis L. plant grows wild and has been cultivated in different parts of the country. The following sections treat history, botany, essential oil production, physiochemical properties, chemical composition, olfactive properties and applications, and production and trade of the essential oil of Rosemary. The preparation of terpeneless essential oil of Rosemary will be mentioned.

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A Closer Look at Garlic Oil: Verifying Naturality

This case study takes a look at the challenges on the production side of the garlic oil industry, which has necessitated increased vigilance in verifying the real natural content of this product downstream.

Indian Curry Leaf

A member of the natural order of Rutaceae, Murraya Koeniglii (Linn) Spreng, the "Indian curry tree" is a pretty, small shrub or tree up to 6 m in height and 15 to 40 cm in diameter. For years, Murraya koenigii in addition to its therapeutic values, has enjoyed a unique status as a flavoring principle in Indian cuisine.

Investigating New Essential Oils: Rationale, Results and Limitations

Research in new essential oils may provide benefits (missing aroma notes, new sources of isolates, new chiral compounds), but it must reassert its originality and vigor and it must recognize the constraints of economics and regulations.

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