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Section: Fragrance

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.

Progress in Essential Oils

Lawrence discusses the composition of bay oil from Benin and Cuba. He also discusses the composition of western red cedar leaf oil (Thuja plicata L.) from Canada, and ambrette seed oil (Abelmoschus moschatus Medik.) from Vietnam.

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Some Aspects Of Qualitative Structure-Odor Relationships

Qualitative odor-structure relationships have been applied for more than a century. The results of these studies are mostly the consequence (outcome) of the application of common sense gathered by experience. Two main features characterize the molecular structures of odorant molecules: “electronicity” (electronic charge distribution over a molecule) and “stereocity” (volume, shape and profile of a molecule).

Raspberry Ketone

It has a berry, sweet, woody odor; a raspberry, ripe, jammy, seedy character; and a fruity, berry, raspberry and blueberry flavor with seedy, cotton candy nuances.

Progress in Essential Oils

Erigeron, or fleabane, oil; java citronella oil; and melissa, or lemon balm, oil

Progress in Essential Oils

Progress in Essential Oils

Lawrence discusses the composition of Eucalyptus citriodoraoil from the Ivory Coast, Mali, Morocco, and the Congo. Additionally, he covers ajowan oil from Algeria and India. Finally, Lawrence covers and kewda or keora oil from Orissa and India.

Volatile Constituents of Essential Oils Isolated from...

The essential oils isolated from different parts of Alpinia calcarata Rosc., (family: Zingiberaceae) growing in Hyderabad, south India, were analyzed by capillary GC and GC/MS. The oil yields were: flower 0.06%, leaf sheath 0.03%, stem 0.05% and root 0.18%. Sixty-two compounds accounting for 92.3-98.3% of the oils were identified.

Some Aspects of Qualitative Structure-Odor Relationships

Qualitative odor-structure relationships have been applied for more than a century. The results of these studies are mostly the consequence (outcome) of the application of common sense gathered by experience.

Acetals and Ketals of 3β, 4β-caranediol-New Odoriferous Compounds from (+)-3-carene

In summary, it is noteworthy that the odor characteristics of acetals and ketals of bicyclic terpenic diols have been absent in the literature. Our discovery of interesting odors of ketals of (+)-3β,4β-caranediol indicates further potential possibilities of synthesis of new odoriferous compounds in the series of bicyclic terpenic diols.

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Perfume and Flavor Synthetics

Cooperation between the Department of Organic Technology (DOT) at ICT Prague and Aroma Co. began in 1970 with research into problems with benzyl-acetate purity. The cooperative first consisted of an expert consultancy, which gradually grew into a systematic expert-research group focused on fi elds of basic research.

Progress in Essential Oils

Brian Lawrence discusses Artemisia annua Oil, Scotch Spearmint Oil, Spanish Oregano Oil

Detection of new trace constituents in the essential oils of Cymbopogon flexuosus

The essential oil of lemongrass is derived chiefly from two important species of Cymbopogon, C. flexuosus, which has been the subject of numerous investigations, and C. citratus, C. flexuosus (Stend.) Wats (sym. Andropogon nardus var. flexuosus Hack), is native to India. Its two strains, SD-68 and OD-19, which have been cultivated at our Kukrail Research Farm, Lucknow, were examined by gas chromatography and the presence of new trace constituents was established for the first time.

Progress in Essential Oils: Basil Oil, Part 2

The present article is part two in a series of two that provides the findings of various researchers on the chemical constituents in basil oil. Part 1 appeared in the May 2014 edition of Perfumer & Flavorist.

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Natural Advantage's Neryl Acetate

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Avant Organics Paving the Way!

Avant Organics has been crafting a product line of unique, valuable, high-quality aroma chemicals for the F&F industry and are now ready to create sustainable products for you! Find out what they’ve been creating!

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Natural Advantage, LLC's Neryl Acetate

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MilliporeSigma's a-Terpinyl acetate, FG

Certified halal and kosher, the ingredient provides green, terpy, citrus, woody and herbal notes to flavor and fragrance formulation.

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