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Type: Article

Section: Fragrance

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Is Cineole Detrimental to TeaTree Oil?

This paper evaluates the claims about cineole in tea tree oil and reviews the results of recent skin irritancy and bioactivity investigations which show that cineole is neither an irritant nor an antagonist.

Vanilla flavor is dominated by phenols and their transformation products mostly derived from enzymatic hydrolysis of the phenyl-β-D-glucosides. Cocoa bean flavor is dominated by Strecker aldehydes and pyrazines and other products generated during the roasting process of the beans.

Extracting the Essence: Comparing Vanilla and Cocoa Processes

Understanding the similarities and differences in biochemistry, chemistry and curing processes of vanilla and cocoa may offer insight into producing high-quality materials.

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A Natural and a Pod: Commonalities in Vanilla and Tea Processing

Shared chemistry, biochemistry and processing in tea leaf and vanilla pod.

Simple Methods of Odor Quality Evaluation of Essential Oils and Other Fragrant Substances

This paper describes our practical experiences in evaluation of odour quality against standards accepted by perfumers for specified fragrances.

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3,6-Dimethyl Octan-3-ol

A profile: 3,6-Dimethyl octan-3-ol. Thus is the history of 3,6-dimethyl octan-3-ol and its chemical evolution over forty years of changes in the flavor and fragrance industry. One wonders what might have been the fate of AR-1 if synthetic linalool had not been made available from the vitamin intermediate stream.

PsychologicalQualities of Odor II: Geometry of Odor Quality

Psychologist's Corner. Multidimensional scaling is the general term for the set of approaches which share the aim of inserting odor stimuli, as points, into a geometrical space of low dimensionality (2-3 dimensions).

Effects of Structural Modifications on the Odour of Jasmone Analogues

The odour of 2-alkylcyclopentanones can be radically affected by substituents on the first or second carbon atoms of the side chain, substituents further along the chain having a much lesser effect on the odour character. It is postulated that these effects could be rationalised in terms of obstruction of the carbonyl group by a substituent on the first carbon of the side chain or disruption of the side chain conformation by one on the second position

Chemical Investigation of Essential Oil of Abutilon Indicum

The plant Abutilon indicum contains 0.15% of essential oil which mainly consists of α-pinene, caryophyllene, caryophyllene-oxide, endesmol, farnesol, borenol, geraniol, geranyl acetate, elemens and 1:8-cineole along with a number of other minor constituents.

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

The Influence of Methyl Group Substitution on the Odour of Aliphatic Nitriles

The interesting odour properties of methyl substituted nitriles, coupled with the typical stability/safety properties of nitriles suggest that they will become valuable perfumery materials.

Odor Experience as an Affective State: Effects of Odor Pleasantness on Cognition

A summary of research conducted for the Fragrance Research Fund. This research is designed to investigate the effects of pleasant and unpleasant odors on a variety of cognitive-behavioral responses.

Organophosphorus and Organochlorine Pesticide Residues in Italian Citrus Oils

The present work summarizes the results of the qualitative and quantitative analyses of organophosphorus and organochlorine pesticides in Italian citrus oils produced from 1983 to 1992.

Market outlook: Organic Essential Oils

An evolving sector’s benefits, legislation and use in the flavor and fragrance industry. How can the present and future prospects of organic natural products be judged, and can they become important contributors to the total market — either now, or in the future? Organic essential oils — like organic vegetables and fruit — often are regarded as an oddity.

Oxygen Heterocyclic Compounds of Citrus Essential Oils

In this paper we report the results on the isolation, identification and quantitative analysis of oxygen heterocyclic compounds of bergamot, sweet orange, mandarin, bitter orange, grapefruit and lemon oils.

Structure/Odor Correlations: the Mechanism of Olfaction and the Design of Novel Fragrance Ingredients

“One has to rely on chemists to find new aroma chemicals creating new, original notes. In perfumery, the future lies primarily in the hands of chemists.”

A Rapid Method of Analysis of Organophosphate Pesticides in Mandarin Essential Oils

Detection and hazard assessment of organophosphate pesticides in industrially distilled and cold-pressed mandarin oils.

Report on the International Conference on the Psychology of Perfumery

The Second International Conference on the Psychology of Perfumery was held on July 22-26, 1991 at the University of Warwick, Coventry, England. Its ambitious purpose was succinctly defined by George Dodd as advancing our understanding of the interactions between the three Ms: molecules (the olfactory stimuli), membranes (the receptors) and moods (the effects of odors on the organism). The conference provided a few reports of substantive progress towards this goal.

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