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Type: Article

Section: Fragrance > Regulatory & Research

Gas Chromatographic Analysis on Turkish Rose Oil, Absolute and Concrete

The analysis of rose products maybe realized by gas or liquid chromatographic techniques. Our investigations showed that liquid chromatography have been used only in a few studies to separate essential oils and terpenoid compounds, and a sufficient separation has not been obtained.

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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.

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Traditional and Supercritical CO2 Extraction of the Volatiles from Narcissus poeticus L.

Quantitative and qualitative comparison of yield from the two extraction techniques.

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From Clove to Creamy: Natural Vanillin from Clove

Indesso Natural Vanillin: Authentic. Sustainable. Sensory Excellence.

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Synthesizing Mayol from Cuminaldehyde

The authors discuss two distinct preparations of the widely used muguet ingredient from cuminaldehyde.

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Human Olfaction: From the Nose to Receptors

Methods of deorphanization of olfactory receptors and their significance for increasingly predictive fragrance creation.

Il. Scientific Prospects from 1.5 Million Responses

Our collaboration with the National Geographic Society on the Smell Survey is particularly gratifying. As scientists, it is part of our responsibility to inform the public. And as researchers, it is our hope to tap ever greater sources of information about human physiology and behavior. I believe these two goals are beautifully intertwined in this project.

More Perfume Materiak from Isoprene

We should all realize that the new Toxic Substances Control Act, which Congress is about to pass, will increase considerably the cost of developing new aroma chemicals. The new law may reduce the number of such chemicals drastically. Closer cooperation between the fragrance and the aroma chemical industries will now be even more important in order to maintain a healthy level of innovation in areas of mutual interest.

Thyme Varieties From Different Geographical Origins

Comparison of Thyme Varieties from Different Geographical Origins

LECO’s new Pegasus BTX promises ultimate sensitivity and revamped ion path integrity. See how this advanced upgrade in the world of GC-TOFMS illuminates even the lowest-level chemical differentiators of dried thyme samples were sourced from four different

From the Experts: The Primary Mechanism of Odor Perception

The latest findings and their application to the flavor and fragrance industry

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Anthropology and Odor: From Manhattan to Mato Grosso

Although thousands of anthropologists have investigated different aspects of human societies, only a few have written about odor. The study of the association of odors with other aspects of human experience has hardly hegun.

Separation of Fragrance Materials from Perfumed Consumer Products

In isolating the fragrance materials, which are usually present only at low levels, the analytical chemist is confronted with a formidable separation challenge, particularly when the sample also contains emulsifiers, surfactants, clarifiers, thickeners, solubilizers, pigments, antioxidant, UV-absorbers, preservatives, solvents, and other materials.

Spectroscopic characterisation of a rare monoterpene from Blumea Mollis

Beginning with earlier studies on the essential oil separated from different species of Blumea, this material has been the subject of many chemical and biological investigations. Chemical investigations of the oils of different Blumea species have afforded different terpenoids. Thus the oil of Blumea eriantha has a major constituent, d-carvotanacetone; oil of Blumea lacera contains the cineol, d-fenchone and citral; oil of Blumea malcolmii yielded d-carvotanacetone and 1-tetrahydrocarvone; and the oil of Blumea membranceae contains 1,4-(8)-p-methadiene; δ-cadinene; 2,3-dimethoxy-p-cymene; 1,2-dimethyl-3-isopropenyl cyclopent-1-en-4-one; 5-hydroxy-p-cymene-2-oxybornylene; 2-methyl-5-isopropyl cyclopent-1-one carbonylic acid methyl ester; and citronellyl acetate. But this monoterpene has not been reported yet.

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Endpoint: From Scent Dieting to Flavor Irritants: ‘Wellness’ in F&F

What does the word wellness bring to mind? Sinking into a neck-deep mud bath? Meditating in a swirl of incense? Hitting the gym four times a week? Or maybe crunching away on home-grown, organically harvested vegetables? Recycling, composting, supporting fair trade, etc., all elicit a sense of wellness in some form.

How To Obtain Usable Information from a Gas Chromatograph

Instrumentation.

A Novel Technology to Study the Emission of Fragrance from the Skin

By means of this technology we have shown for the first time that, depending upon the fragrance, various skin may or may not have a significant effect on the emission of fragrance molecules, in this article, both the technology and the results will be discussed in detail.

Cycloheptadecanone from Dimethyl Octadecanedioate via a One-Step Catalytic Process

Although the reaction was not studied, it does establish that a one-step conversion of the long chain diesters to the cyclic ketone containing one less carbon atom can occur. It opens the possibility to simpler processes for the preparation of macrocyclic ketones.

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