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flouve oil

Flouve oil, derived from Anthoxanthum odoratum, is a natural fragrance ingredient noted for its mossy scent and usage in amber and forest aromatic profiles.

General Material Description

Flouve oil, also known as anthoxanthum odoratum oil or sweet vernal grass oil, is an essential oil extracted from the plant Anthoxanthum odoratum, a species of grass native to temperate regions of Europe. This oil is characterized by a distinctive mossy and sweet aroma predominantly caused by its coumarin content, a natural fragrant compound found in many plants. Flouve oil appears as a natural, yellowish to amber liquid and is valued in the fragrance industry. It is cataloged in chemical repositories under CAS number 68916-09-6 and is listed in controlled vocabulary sources such as PubChem. The oil is typically obtained by steam distillation from dried plant material. Its unique odor profile draws from traditional herbal notes, contributing to the complexity of perfumery blends.

Occurrence, Applicability & Potential Uses

Flouve oil is naturally sourced from Anthoxanthum odoratum, commonly known as sweet vernal grass, which grows in European grasslands. Its primary commercial application is as a fragrance agent, where it imparts mossy, amber, forest, and root-like aromatic qualities. The oil functions as a beeswax absolute replacer in perfumery, providing similar warm, sweet notes while offering a sustainable alternative to animal-derived components. The fragrance industry recognizes this material under the IFRA (Global) guidelines, which regulate its use levels to ensure safety and allergen management. Typically, flouve oil is used in limited concentrations within fragrance concentrates to meet these standards, with no authorization for flavor use disclosed.

Physico-Chemical Properties Summary

Flouve oil displays solubility in alcohol solvents while remaining insoluble in water, reflecting its hydrophobic chemical profile and facilitating its incorporation into alcohol-based fragrance formulations. The presence of coumarin, a compound with fragrant and slightly sweet characteristics, dominates the sensory attributes and influences its stability and interaction with other components. Its physicochemical traits, including vapor pressure and lipophilicity, favor its use in perfumery applications, where it can provide lasting woody and herbal notes. The oil’s molecular composition supports formulation in complex blends without compromising solubility or causing phase separation, making it suitable for various fragrance delivery systems.

FAQ

What is flouve oil and where does it come from?
Flouve oil is an essential oil extracted from the grass species Anthoxanthum odoratum, commonly known as sweet vernal grass. It is obtained primarily through steam distillation of the dried plant material, producing a natural aromatic liquid known for its mossy and sweet scent. The oil contains coumarin as a key fragrant compound, contributing to its distinctive aroma. It is used predominantly in fragrance applications and is identified by the CAS number 68916-09-6.
How is flouve oil typically used and what scents does it provide?
This oil is widely used as a fragrance agent in perfumery to impart mossy, amber, forest, and root-like notes. Its aroma profile makes it a valuable ingredient for adding warmth and complexity to scented products. Flouve oil can also serve as a natural alternative to beeswax absolute, providing similar olfactory effects without using animal-origin materials. It dissolves well in alcohol but not in water, which allows formulating it into various alcohol-based fragrance compositions.
Are there any safety standards or regulations applicable to flouve oil?
Flouve oil is subject to safety assessments by organizations such as IFRA (International Fragrance Association) on a global scale. The IFRA Code of Practice restricts its maximum usage level in fragrance concentrates, commonly recommended up to 4% to minimize potential sensitization risks due to components like coumarin and benzyl benzoate. It is not authorized for flavor use. Toxicological data indicate low acute oral toxicity, with LD50 values in animal studies at high doses. Regulators and safety resources such as the EPA and RIFM provide further information on this oil's safe use within cosmetics and fragrance products.

US / EU / FDA / JECFA / FEMA / Scholar / Patents

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Literature & References

anthoxanthum odoratum l. oil
Canada Domestic Sub. List:68916-09-6
Pubchem (sid):135273495
Publications by PubMed
Sublingual or subcutaneous immunotherapy for seasonal allergic rhinitis: an indirect analysis of efficacy, safety and cost.
Effects of species evenness and dominant species identity on multiple ecosystem functions in model grassland communities.
Variability of stomata and 45S and 5S rDNAs loci characteristics in two species of Anthoxanthum genus: A. aristatum and A. odoratum (Poaceae).
The acceptability of meadow plants to the slug Deroceras reticulatum and implications for grassland restoration.
Increased plant carbon translocation linked to overyielding in grassland species mixtures.
Contrasting patterns of pollen and seed flow influence the spatial genetic structure of sweet vernal grass (Anthoxanthum odoratum) populations.
Glycoproteins are species-specific markers and major IgE reactants in grass pollens.
Within season and carry-over effects following exposure of grassland species mixtures to increasing background ozone.
Selection pressures have caused genome-wide population differentiation of Anthoxanthum odoratum despite the potential for high gene flow.
Community genetics: resource addition has opposing effects on genetic and species diversity in a 150-year experiment.
Relative effects of elevated background ozone concentrations and peak episodes on senescence and above-ground growth in four populations of Anthoxanthum odoratum L.
Specific immunotherapy for common grass pollen allergies: pertinence of a five grass pollen vaccine.
Evolution in closely adjacent plant populations X: long-term persistence of prereproductive isolation at a mine boundary.
Effect of elevated tropospheric ozone on the structure of bacterial communities inhabiting the rhizosphere of herbaceous plants native to Germany.
Soil nutrient heterogeneity interacts with elevated CO2 and nutrient availability to determine species and assemblage responses in a model grassland community.
Growth and nutritive quality of Poa pratensis as influenced by ozone and competition.
Surface-enhanced Raman spectroscopy of bacteria and pollen.
Reinforcement of reproductive isolation between adjacent populations in the Park Grass Experiment.
Preferential uptake of soil nitrogen forms by grassland plant species.
Dicoumarol toxicity in nenonatal calves associated with the feeding of sweet vernal (Anthoxanthum odoratum) hay.
Dicoumarol toxicity in neonatal calves associated with the feeding of sweet vernal (Anthoxanthum odoratum) hay.
Dicoumarol toxicity in cattle associated with ingestion of silage containing sweet vernal grass (Anthoxanthum odoratum).
Aero-allergens in canine atopic dermatitis in southeastern Australia based on 1000 intradermal skin tests.
The type of sensitization to pollens in allergic patients in Eskisehir (Anatolia), Turkey.
IgE antibodies to recombinant pollen allergens (Phl p 1, Phl p 2, Phl p 5, and Bet v 2) account for a high percentage of grass pollen-specific IgE.
A comparison of stable caesium uptake by six grass species of contrasting growth strategy.
Grass pollen immunotherapy induces highly cross-reactive IgG antibodies to group V allergen from different grass species.
Recombinant pollen allergens from Dactylis glomerata: preliminary evidence that human IgE cross-reactivity between Dac g II and Lol p I/II is increased following grass pollen immunotherapy.
Variability of crossreactivity of IgE antibodies to group I and V allergens in eight grass pollen species.
Ecological and evolutionary importance of neighbors in the grass Anthoxanthum odoratum.
Haemorrhagic syndrome of cattle associated with the feeding of sweet vernal (Anthoxanthum odoratum) hay containing dicoumarol.
Metal tolerance in tissue cultures of anthoxanthum odoratum.
RAST, skin and nasal tests and the history in grass pollen allergy.
[Vernal grass, Anthoxanthum odoratum L].

Other Information

Export Tariff Code:3301.29.6000
Wikipedia:View
FAO:BASIC PRINCIPLES OF STEAM DISTILLATION

General Material Information

Preferred name flouve oil
Trivial Name Oils, Anthoxanthum odoratum
Short Description anthoxanthum odoratum oil
CAS Number 68916-09-6
FDA UNII Search
Synonyms
  • anthoxanthum odoratum oil
  • anthoxanthum odoratum var. altissimum oil
  • anthoxanthum pilosum oil
  • anthoxanthum villosum oil
  • flouve odorante oil
  • flouve oil france
  • vanilla grass oil
  • sweet vernal grass oil
  • sweet vernalgrass oil
  • xanthonanthos odoratum oil
  • anthoxanthum odoratum l. oil
  • Oils, Anthoxanthum odoratum
  • Vernal grass

PhysChem Properties

Material listed in food chemical codex No
Solubility
alcohol Yes
water No

Organoleptic Properties

Odor Type: Mossy
mossy, coumarinic, tonka, herbal, hay
General comment At 100.00 %. moss coumarin

Occurrences

Potential Uses

Applications
Odor purposes Amber , Beeswax absolute replacer , Forest , Root

Safety Information

Safety information

Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Pictogram
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-rat LD50 4100 mg/kg
Food and Cosmetics Toxicology. Vol. 16, Pg. 757, 1978.

oral-rabbit LD50 5000 mg/kg
Food and Cosmetics Toxicology. Vol. 16, Pg. 757, 1978.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined

Safety in use information

Category:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
contains the following IFRA (Annex) restricted components: (non-analysis max. level reference only)
benzyl alcohol Max. Found: 2.1 % and Reason: Sensitization
benzyl benzoate Max. Found: 65.00 % and Reason: Sensitization
coumarin Max. Found: 8.00 % and Reason: Sensitization
eugenol Max. Found: 1.00 % and Reason: Sensitization
Recommendation for flouve oil usage levels up to:
4.0000 % in the fragrance concentrate.
Recommendation for flouve oil flavor usage levels up to:
not for flavor use.

Safety references

EPA Substance Registry Services (TSCA):68916-09-6
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
National Institute of Allergy and Infectious Diseases:Data
anthoxanthum odoratum l. oil
Chemidplus:0068916096