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Section: Fragrance > Ingredients

Base-catalysed of terpenes

We have projected in the foregoing survey significant advances in the isomerisation of terpenes by base catalysis. Invoking this technique, it si seen how many of the delicate reactions are smoothly accomplished, adding new dimensions to terpene technology. How terpenes, which are notoriously sensitive to thermal and proton impact, have been engineered in the desired direction through base catalysis is an important chapter in the history of terpene chemistry.

Challenge Precedent Question Tradition

As an alternative, I thought it might he interesting to share my observations of some of yesterday’s fragrance industry precepts which have become today’s myths from my perspective as a professional consultant who for six years ran a conglomeration of companies ranging from motion picture distribution to fast-food franchising. And from the perspective of one who had a very able teacher and understanding father who has always espoused the dictum— challenge precedent, question tradition.

Synthetic Sandalwood Aroma Chemicals

A generaf widespread shortage and a steep rise in the price of natural sandalwood oils led msemch workers in the aroma chemical industry to search for synthetic substitutes for sandalwood E.I. The important synthetic sandalwood aroma chemicals synthesised so far are mentioned below.

Aroma Chemical Profile: Indole

Indole’s long history of use in our industry results in a familiarity that allows many of us to consider it just another aroma chemical. Its early identification in jasmine flowers (along with benzyl acetate) has developed a tradition of its use in floral compositions.

Cognitive Aspects of Perfumery

I would like to talk about perfumers as examples of individuals with expertise, and illustrate the differences between novices (nonperfumers) and experts (perfumers) in the context of odor perceptions.

Perfumery Insight: Cyclamen Aldehyde

Few flavor ingredients are irreplaceable, but this one comes close.

CSA Technical Meeting Highlights

Ingredients and GC-O technology

ASP Cruise Around Manhattan

July 27 event features Policastro and Dubin.

Sigma Pf2205 Lead

New Natural Aroma Chemicals

Sigma-Aldrich® brand aroma chemicals naturally impart the perfect notes for your formulation.

Mamta

Mamta Polycoats' Triethyl citrate

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Mamta Polycoats' Triethyl Citrate

This ingredient can be used in fine fragrance, flavor, deodorant, cosmetics and personal care applications.

The updates include product identification, images and a register of renewable raw materials, among other things.

Symrise Updates Perfumers’ Compendium

The updates include product identification, images and a register of renewable raw materials, among other things.

Berje

Berje Inc.'s Citronella Oil

Fragrance application in consumer products

The creation of a fragrance is one of the classic examples of the blending of science and art. The development of a fragrance is controlled by both the chemistry of the materials involved and the discriminating nose of the perfumer. To create the correct fragrance for a cosmetic or household product, a number of disciplines must come together. In many cases, fragrance application laboratories can help to combine these disciplines in a creative fragrance company.

The biosynthesis of terpene compounds

From Wallach's isoprene rule to Ruzieka's biogenetic isoprene rule, the monoterpenes and sesquiterpenes have played a significant role in the development of basic concepts concerning the origin of all terpenoid compounds. Yet, while our understanding of the biosynthesis of higher terpenoids, such as steroids, has flourished progress in the biochemistry of monoterpenes and sesquiterpenes has been relatively slow--due in large part to the chemical nature of the mono- and sesquiterpenes (volatility, instability, and so forth) and to the experimental difficulties associated with the plants that produce these compounds.

Products Preview of CSA Roundtable

Company-wise listing of products to be showcased at the event.

The acquisition will expand Lanxess' portfolio of preservatives.

Lanxess Acquires Emerald Kalama Chemical

The acquisition will expand Lanxess' portfolio of preservatives.

Grape Seed Organic Carrier Oil

This New Directions Aromatics' material can be used for a range of personal care applications.

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