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Type: Article

Progress in Essential Oils

Lawrence discusses the composition of clementine oil (Citrus clementina) from Sicily, China, Uruguay, Japan and Corsica. In addition, Lawrence explores the composition of stoechas oil (Lavandula stoechas L.) from Morocco, Turkey and Tunisia.

Orange blossom

Orange blossoms are the flowers from the bitter orange tree, Citrus Aurantium Linnaeus. Originating in China, the bitter orange tree was probably introduced to southern France somewhere between the tenth and eleventh centuries AD byt the conquering Arabs. It remained the only orange known to Europeans for about five centuries. Since the fruit of this tree is so unpalatable (though more sour than bitter from this author's first hand experience) it is no wonder that products for fragrances were developed.

Analysis of Encapsulated Orange Peel Oil

The toluene distillation method is suggested for the routine determination of moisture in spray dried citrus oils. The technique is rapid and due to large sample size, has minimal sampling error, requires minimal equipment and can be performed by an individual with little technical training.

Current Investigations on Orange Peel Oil Fractionation

The main objective of this work is to present our experimental fi ndings concerning the deterpenation of orange peel oil using a vacuum distillation column and some insights into the use of SCFCO2 in a packed high-pressure extraction column.

Counter Current Deterpenation of Cold Pressed Sweet Orange Peel Oil

As with all citrus concentrates made by contacting oil with alcohol, the counter current deterpenated orange oil contains acetal compounds formed from the chemical condensation of aldehydes and alcohol. In flavor applications, they tend to have a “smoothing and fixing effect” in product, which is normally considered as advantageous,

The quality of Valencia orange peel oil as related to rootstock

The aldehyde and ester content of citrus oils have long been considered important indicators of flavor and aroma, and rootstocks can have an influence on this important quality of an orange oil. However, the limited amount of data accumulated regarding the influence of rootstock on oil quality and yield indicate the need for further study and research to include other varieties and rootstocks of citrus.

*A portion of this report was published from the International Federation of Essential Oils and Aroma Trades (IFEAT) socioeconomic report.

Jasmine: An Overview of its Essential Oils & Sources

The authors take a closer look at the socioeconomic impact of jasmine oil production on the livelihoods of farming communities in Egypt and India.

Kesom Oil—A Natural Source of Aliphatic Aldehydes

The recent investigation of the plant habitats and the chemical analysis of the essential oils obtained from the leaves and stems provided some new findings that could prove highly useful to the flavour and fragrance industry. In this report the habitats of Polygonum minus Huds. and the chemical composition of leaf and stem oils are presented, and the possible relevance of Kesom oil as a new product is discussed.

Cascarilla Bark Essential Oil of El Salvador: New Source and Standard

The oil is relatively new to the modern commercial perfume and flavor marketplace. Today, the highly desired and sought after cascarilla bark essential oil is used for flavoring aperitifs, liquors, beverages, confections and fine perfumery.

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The 'Halo' Effect of Amides in Mandarin and Tangerine

Mandarin has a peculiar aroma that can be described as somewhat "fishy," which might be due to an unidentified amine compound.

Natural Aroma Chemicals for Oranges and Other Botanical Sources

In this article, I will focus on the production of aroma chemicals from orange. But I will also mention other essential oils that are sources of aroma chemicals.

Differences in Chemical and Sensory Properties of Orange Flower and Rose Oils Obtained from Hydrodistillation and from Supercritical C02 Extraction

In this article we will identify some characteristic and essential constituents of bitter orange flowers (Citrus aurantium L., ssp. armzra Engl.) from Spain, Tunisia and Morocco, and roses (Rosa damascena Mill.) from Bulgaria and Turkey, and we will discuss how the consitutents differ depending on whether the oils were isolated by hydrodistillation or by supercritical fluid carbon dioxide extraction of the concretes. hydrodistillatio norbysupercriticai fluid carbon dioxide extraction of the concretes.

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Raw Material Bulletin: February 2016

This month's column features valencene, 2-heptanone natural, thialdine and more.

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.

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