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Section: Fragrance > Ingredients

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.

Progress in Essential Oils

Brian Lawrence discusses Bergamot Oil, Lemongrass Oil, Cassie Extract, Port Orford Cedarwood Oil

Detection of new trace constituents in the essential oils of Cymbopogon flexuosus

The essential oil of lemongrass is derived chiefly from two important species of Cymbopogon, C. flexuosus, which has been the subject of numerous investigations, and C. citratus, C. flexuosus (Stend.) Wats (sym. Andropogon nardus var. flexuosus Hack), is native to India. Its two strains, SD-68 and OD-19, which have been cultivated at our Kukrail Research Farm, Lucknow, were examined by gas chromatography and the presence of new trace constituents was established for the first time.

Sensory and Chemical Evaluation of Tropical Grass Oils

The plant family of the grasses, the Gramineae, also called the Poaceae, is one of the most extensive plant families in the world. This article discusses the sensory evacuation and the chemical composition of the oils from some Cymbopogon species. species.

Natural Products and Their Sources

Our subject is the future supplies of natural raw materials for the essential oil industry. We might divide these raw materials roughly into three groups: 1) those that serve as raw materials in the production of isolates, competing head-on with synthetics and including citronella, lemongrass, menthol, and clove leaf; 2) those that can be replaced by synthetic oils, such as anis, rose, fir needle, geranium, citrus oils, sandalwood mint oils, and floral extractives; 3) those that are not threatened by replacements–at least for the present– including cedarwood, eucalyptus, guaiaewood, lavandin, ocotea, petitgrain, patchouli, vetivert, and ylang.

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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.

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P&G's New Insecticide Features Light Scent

Products are said to be safe to use around people and pets, and are effective on a variety of insects.

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: 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.

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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: 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: Spanish Oregano Oil

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

Progress in Essential Oils: Summer Savory Oil

Summer savory oil.

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