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Section: Fragrance

Material Study: The Use of Essential Oils and Terpenics/Terpenoids in Cosmetics and Perfumery

Technological forecasting is extremely valuable for companies and governments because it allows them to foresee future situations and environments. Currently, cosmetic and perfumery companies are investing in bioprospective research to fi nd new compounds to synthesize new lead products.

Volubility Behaviour and Fractionation of Essential Oils in Dense Carbon Dioxide

The extraction with dense gas proves to be a true alternative to the conventional procedures. To obtain essential oils or aroma substances which are used in perfume industries, in the pharmaceutical sector or in the food and human nutrition field, carbon dioxide offers itself as an extractant which is physiologically unobjectionable and leaves the obtained products free of solvents.

Citronella Oil Fraction

From Payan Bertrand, this oil features a rosy character with a slight citronella accent.

Water-Soluble Fractions of the Essential Oils

Due to the different solubilities, various essential oil components are disproportionately postitioned into the aqueous phase and, hence, the variable polar components are either reduced or lost. Because of this phenomenon, relatively soluble minor components of the oil can escape completely resulting in an unbalanced odor and flavor profile when compared with that of the original plant. Therefore, the water soluble fraction is of importance to both the quantitative and qualitative outcome of the essential oil production.

The Composition of the Volatile Fraction of the Italian Citrus Essential Oils

The annual production of citrus fruits in Italy amounts to about 3,500,000 tons, 31% of which goes to the transformation industries

Progress in Essential Oils: Yarrow Oil, Spikenard Oil, and Dwarf Pine and Mountain Pine Oils

This month's column discusses the chemical compositions of yarrow oil, spikenard oil, and dwarf pine and mountain pine oils

Turpentine as a source of perfume and flavor materials

Only in the past few decades has the chemical industry begun to recognize turpentine as a wonderfully versatile raw material for enhancing product salability, and sometimes adding expensive and exotic effects. At present, chemical uses consume about ten times as much turpentine as all other uses combined.

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: Citron Oil, Pimento Leaf and Berry Oil

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

Guangxi—China’s Major Gum Rosin and Gum Turpentine Producer

China now has about 19 million hectares of pine trees. The pine trees grow mainly in Heilongjiang and Yunnan provinces and Guangxi. Most forests in Yunnan, Guangxi’s western neighbor, defy access. This leaves Guangxi the top rosin producer in China.

Progress in Essential Oils: Cinnamon Bark Oil and Extract, and Helichrysum Oil

In his regularly featured column, consultant Brian Lawrence reviews the findings of a number of researchers on the constituents in various essential oils. This month, he highlights two oils: cinnamon bark oil and extract, and helichrysum oil.

Progress in Essential Oils: Santolina Oil, Solidago canadensis Oil and More

Santolina chamaecyparissus is native to the central and western Mediterranean region. Because of its attractiveness, it has become a common garden ornamental.

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.

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Progress in Essential Oils: Sweet Fennel Oil and Extract

In this column, Brian M. Lawrence reviews the composition of sweet fennel oil and extract as found by various researchers. For example, a commercial sample of sweet fennel oil was screened for its anti-platelet activity by Tognolini et al. (2006) and Guerini et al. (2006) using GC-FID and GC/MS. Results are reported herein.

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Progress in Essential Oils: Bitter Fennel Oil and Extract

In this edition, Brian Lawrence discusses the composition of bitter fennel oil and extract.

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Progress in Essential Oils: Ylang Ylang and Cananga oil

This month's column discusses the chemical compositions of ylang ylang and cananga oil.

Aroma Chemicals and Citrus Oils

Natural citrus oils cannot be reconstituted (substituted) by compounding aroma chemicals for three reasons: (1) Citrus oils are complex mixtures, up to 300 chemicals of which many are unknown. (2) If they are known, many are not commercially available. (3) Individual constituents with asymmetric carbon atoms, mostly are optically active, A lot of aroma chemicals are not. On the other hand, aroma chemicals with citrusy odors deserve their own place for compounds in functional perfumery, mainly for stability reasons.

Bulgarian Lavender and Bulgarian Lavender Oil

In spite of the high production costs and the severe competition on the part of some other farm products (such as maize, corn, grapes, tomatoes and other fruits and vegetables), Bulgaria succeeded in preserving unchanged one of its national symbols, the Bulgarian Rose Oil. It has been preserved thanks to age-old traditions, to strict observation of the technology, persistent and careful quality control, the Government’s concern and the extremely high international praise for the oil.

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