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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.

Progress in Essential Oils: Curry Leaf Oil

This month's column discusses the chemical composition of curry leaf oil.

Unsaturated Components in the Essential Oil of Anthemis nobilis L. (Roman Chamomile)

French authors recently presented their analytical findings on the oil using the negative chemical ionization technique in mass spectrometry. They tracked the GLC profile of the complete oil with the mass numbers of the quasi-molecular ions [M-H]- in combination with the carboxylate anion RCOO-. Thereby inter alia the presence of five esters derived from methacrylic or crotonic acid was reported, however, without giving definite structural assignments for the individual components. The same holds for eight esters of the angelate or tiglate type, respectively. We have worked in a more traditional way and wish here to present the results concerning some of these methacrylates, crotonates, angelates and tiglates. All esters mentioned by us have proved by comparison with authentic synthetically prepared samples.

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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.

Cinnamon Leaf Oil Safrole Free

For both flavor and fragrance applications, Ventos' material is woody and spicy.

Progress in Essential Oils: Citron Oil, Pimento Leaf and Berry Oil

This month, Brian Lawrence discusses the composition of citron oil, pimento leaf and berry 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.

Progress in Essential Oils: Calmus Oil, Triploid Rhizome-Leaf Oils and More

Calamus oil, triploid rhizome-leaf oils, diploid rhizome oils and Nigella sativa oil.

Berje Inc

Berjé Inc.'s Pimento Leaf Oil

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Berjé's Cinnamon Leaf Oil, Ceylon

It is to be noticed that the other oil from the “cinnamon” family namely cinnamon bark oil is characterized with the presence of cinnamic aldehyde (about 80%) and little eugenol (3% to 4%).

Ask An Expert: What is the end use of cinnamon leaf oil?

Senior perfumer Serge Oldenbourg answers fragrance professionals' burning questions.

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: 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.

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: Lemon Verbena Oil

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