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Section: Fragrance > Ingredients

The Chemical Composition of the Leaf Essential Oils from 110 Citrus Species, Cultivars, Hybrids and Varieties of Chinese Origin

We carried out systematic analytical studies on the composition of the leaf oils from 110 citrus species, varieties, hybrids and cultivars of Chinese origin in order to look for new resources for essential oils and provide the systematic chemical-composition data of the leaf oils for the taxonomy of citrus plants.

New Aroma Compounds from Chirons Isolated from Plant Materials

This article presents the results of our recent work on the synthesis of novel, optically active odor compounds from chirons isolated from some plant materials. The chirons used were as follows: (+ )-limonene, (+)-α-pinene, (+)-3-carene, (+)-longifolene and (+)-ricinoleic acid

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Sultanene from Symrise

Innovation from the Northwest Rainforest

Emerging sources of natural ingredients provide perfumers with new olfactive opportunities.

Aroma Chemicals from Alkyl Halides

The substitution of akyl halides hy zinc salts thus constitutes a very useful synthetic reaction for the preparation of alcohols, ethers, esters, thioethers and thiolesters both under solvolytic and nonsolvolytic conditions. Using this versatile reaction, a large number of allyl, benzyl and tertiary alkyl derivatives, which are widely used in the perfumery and flavour industry, can be obtained. Among these, mention must be made of a-terpinyl, l-menthanyl, myrcenyl, dihydromyrcenyl, benzyl, styrallyl 3,3-dimethyhdlyl and carvyl esters, ethers and alcohols. The inexpensive reagents, convenient reaction conditions and suitability for large-scale operation are attractive features of the method.

Formation of Volatile Compounds from Oakmoss

In the current investigation, the quantitative composition of the volatile components in oakmoss was studied. Also the formation of a few of the interesting monoaryl derivatives will be discussed.

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Himalide from Symrise AG

Differences in Chemical and Sensory Properties of Orange Flower and Rose Oils Obtained from Hydrodistillation and from Supercritical C02 Extraction

In this article we will identify some characteristic and essential constituents of bitter orange flowers (Citrus aurantium L., ssp. armzra Engl.) from Spain, Tunisia and Morocco, and roses (Rosa damascena Mill.) from Bulgaria and Turkey, and we will discuss how the consitutents differ depending on whether the oils were isolated by hydrodistillation or by supercritical fluid carbon dioxide extraction of the concretes. hydrodistillatio norbysupercriticai fluid carbon dioxide extraction of the concretes.

From the F&F Experts: Aldehydes

Aliphatic, unsaturated, acetals, aromatics and more.

Mane Bergamot Rectified Essential Oil

Bergamot Rectified Essential Oil from Mane

Aromatic Chemicals from Heptaldehyde

Heptanal belongs to the cheapest aldehydic starting materials suitable for synthesis of odoriferous compounds. This article is intended to survey its chemistry in this aspect. The major use for heptanal is in the flavor and fragrance industry. This article will describe selected areas of groups of compounds where perfumery interest and organic chemical developments have impinged on each other.

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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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Creations from Cassia Oil

Cassia Oil’s Pivotal Place in the F&F Industry.

With Lilybelle, Symrise is expanding its portfolio of special fragrance ingredients to include a sustainable, readily biodegradable fragrance ingredient.

Symrise Develops Fragrance Ingredient from Renewable Sources

With Lilybelle, Symrise is expanding its portfolio of special fragrance ingredients to include a sustainable, readily biodegradable fragrance ingredient.

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.

Geranium Oil from Yunnan, China

Geranium oil is obtained by steam distillation of the partially dried green herbage of Pelargonium sp. It is one of the most important oils used in perfumey formulation, and rarely is used as a flavoring

Aroma Chemicals From the Tropics

Shao Quan Liu on Singapore's role in the F&F industry and the future of biotech aroma chemicals.

Menthol and Cornmint Oil from China

This article looks at the current supply situation and draws some conclusions about the future availability of these products from China.

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