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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.

fresh peppermint leaves and essential oil on the table

Comparative Analysis of Historical Peppermint Oil from Bulgaria and a Commercial Oil of North American Origin

Chemical composition, olfactory analysis and antibacterial activity

On the Isolation of Oleoresin Black Pepper by Steam Distillation-Cum-Solvent Extraction and Tailoring of Oleoresin

Using these raw materials--the solvent extractive, supernatant fraction, distilled pepper oil, monocyclic terpenes, piperine factor and diluent--the industry constructs oleoresins of wide variety tailored for many different applications.

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.

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.

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Optimization of Traditional Curing of Vanilla Beans

A number of recent advances in plant biochemistry and chemistry have clarified some stages of the vanilla bean curing operation and opened up opportunities for improvement in and control of the process.

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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).

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.

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

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

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.

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.

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