Fenchone

Molecular & Flavor Profile
Common name: Fenchone
IUPAC name: 2,2,4-trimethylbicyclo[2.2.1]heptan-3-one
SMILES: CC1(C2CCC(C2)(C1=O)C)C
CAS: 4695-62-9, 7787-20-4, 1195-79-5
Flavor Profile: earthy, cedarleaf, camphor, thuja, herbal, woody, bitter
FEMA Flavor Profile: Floral
FEMA Number: 4519
Taste: Not Available
Odor: Not Available
Functional Groups: carbonyl compound, ketone
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External IDs  

PubChem ID: 14525
FooDB ID: FDB014535
SuperSweet ID: NA
BitterDB ID: 732

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Entities that contain Fenchone

  • Fennel
  • Rosemary
  • Star Anise

Physicochemical Properties

  • Molecular weight: 152.237 g/mol
  • HBD count: 0
  • HBA count: 1
  • Number of rotatable bonds: 0
  • Complexity: 217.0
  • Topological Polor Surface Area: 17.1 A^2
  • Monoisotopic Mass: 152.12 g/mol
  • Exact Mass: 152.12 g/mol
  • XlogP: 2.3
  • Charge: 0 C(coulomb)
  • Heavy Atom Count: 11
  • Atom Stereocenter Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count: 2
  • Bond Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Isotope Atom Count: 0
  • Covalently Bonded Unit Count: 1
  • InChI: InChI=1S/C10H16O/c1-9(2)7-4-5-10(3,6-7)8(9)11/h7H,4-6H2,1-3H3
  • Volume 3D: 130.2

Nomenclature

  • Common name: Fenchone
  • IUPAC name: 2,2,4-trimethylbicyclo[2.2.1]heptan-3-one
  • CAS numbers: 4695-62-9, 7787-20-4, 1195-79-5
  • SMILES: CC1(C2CCC(C2)(C1=O)C)C
  • InChI: InChI=1S/C10H16O/c1-9(2)7-4-5-10(3,6-7)8(9)11/h7H,4-6H2,1-3H3
  • FlavorDB/FEMA name: d-FENCHONE
  • Synonyms: d-2-Fenchanone; Bicyclo(2 2 1)heptan-2-one, 1,3,3-trimethyl-, (1R)-; Bicyclo(2 2 1)heptan- 2-one, 1,3,3-tri-methyl-, (1S)-; d-Fenchone; D-Fenchone; (+)-. Fenchone; D(+)-Fenchone; 2-Norbornanone, 1,3,3-trimethyl-, (1R,4S)-(+)-; 1,3,3-Trimethylbicyclo(2 2 1)heptan-2-one; (1R)-1,3,3-Trimethylbicyclo(2 2 1). heptan-2-one; d-1,3,3-Trimethyl-2-norbornanone; d-1,3,3-Trimethyl-2-norcamphanone
  • FL number: 7.159
  • NAS number: 2479
  • CoE number: 551
  • EINECS number: 225-160-0
  • JECFA number: 1396

Description

  • Flavor profile: earthy, cedarleaf, camphor, thuja, herbal, woody, bitter
  • FooDB flavor profile: herbal, bitter, thuja, earthy, woody, cedarleaf, camphor
  • FEMA flavor profile: Floral
  • Functional groups: carbonyl compound, ketone
  • Bitter compound: Yes
  • Source description: d-Fenchone has a camphor-like odor, powerful and sweet and a warm, somewhat bitter, burning taste

Regulatory Status

  • CoE status: 1 ppm
  • FDA status: 21 CFR 172.515
  • JECFA status: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2004)

Aroma/Taste Threshold Values

  • Aroma threshold values: cooling camphoreous, terpy, spicy, sweet mentholic pine-like
  • Taste threshold values: Taste characteristics at 5 ppm; cooling camphoreous, with green citrus lime nuances

Natural Occurence

  • Occurrence summary: Naturally occurring; Reported in 3 FlavorDB source entities
  • Source entity count: 3
  • Representative sources: Fennel, Rosemary, Star Anise
  • Documented natural occurrence: Thuja plicata, Thuja occidentalis, Thuja standishii, Russian anise, fennel, a few Artemisia varieties (A. frigida, A. verlotorum, A. santolinaefolia), Lavanda stoechas, Lavanda burmannii, and others; the highest levels are found in fennel oil (12 to 19%); two optically active forms have been isolated. Also reported found in basil, caraway, cedar leaf oil, cloves, dill, licorice and thyme

Composition

  • Molecular formula: C10H16O
  • Molecular composition: C: 0.789, H: 0.106, O: 0.105
  • Number of atoms: 11

ADMET Properties

  • ADMET Solubility: -3.508
  • ADMET Solubility Level: 3.0
  • ADMET BBB: 0.344
  • ADMET BBB Level: 1.0
  • ADMET EXT Hepatotoxic: -3.5504800000000003
  • ADMET EXT Hepatotoxic prediction md: True
  • ADMET EXT Hepatotoxic applicability: All properties and OPS components are within expected ranges.
  • ADMET EXT Hepatotoxic applicability md: 7.66793
  • ADMET EXT Hepatotoxic applicability mdpvalue: 0.951894
  • ADMET Absorption Level: 0.0
  • ADMET EXT PPB: -1.07903
  • ADMET EXT PPB prediction: True
  • ADMET EXT PPB applicability: All properties and OPS components are within expected ranges.
  • ADMET EXT PPB applicability md: 7.2679800000000006
  • ADMET EXT PPB applicability mdpvalue: 1.0
  • ADMET unknown AlogP98: 0.0
  • ADMET AlogP98: 2.497
  • ADMET PSA 2D: 17.3

2D/3D Properties

  • Number of atoms: 11
  • Molecular formula: C10H16O
  • Molecular composition: C: 0.789, H: 0.106, O: 0.105
  • Molecular mass: 152.12 g/mol
  • Energy: 31.15 Kcal/M
  • AlogP: 2.497
  • LogD: 2.497
  • Molecular Solubilty: -2.412
  • Number of aromatic bonds: 0
  • Number of aromatic rings: 0
  • Number of H acceptor: 1
  • Number of H acceptor lipinski: 1
  • Number of H donor: 0
  • Number of H donor lipinski: 0
  • Number of H bonds: 0
  • Number of rings: 2
  • Surface area(SA): 182.12 A^2
  • Molecular SASA(Solvent accessible SA): 305.688 A^2
  • Radius of gyration: 1.27719 A
  • Molecular 3D SASA: 303.394 A^2

Consumption

  • Consumption: 10.00 lb
  • Individual intake: 0.00000847 mg/kg/day
  • Trade association guidelines: 1.657 mg
  • IOFI: Nature Identical

Specifications

  • Specifications: (JECFA, 2008); Acid value (max); <1.0; Refractive index; 1.460–1.467 (20°C); Appearance; Colorless to pale yellow liquid; Solubility; Soluble in propylene glycol, ethanol ; and vegetable oils; insoluble in water; Assay (min); 97% C10H16O; Specific gravity; 0.940–0.948 (25°C); Boiling point; 192°C

Reported Uses

  • Reported uses (ppm): (FEMA, 1994)
  • Food category usual/max:
    Food categoryUsual (ppm)Max (ppm)
    Alcoholic beverages0.105.00
    Gelatins, puddings3.215.44
    Baked goods9.8613.02
    Nonalcoholic beverages1.083.10
    Frozen dairy3.155.35
    Soft candy7.259.99

Synthesis

  • Synthesis: Isolated from cedarleaf oil (thuja oil)

Physical-Chemical Characteristics

  • Empirical formula / MW: C10H16O/152.24

Details of "Molecular & Flavor Profile" and physicochemical properties were obtained from PubChem Substance & Compound Databases, FooDB, Flavornet, SuperSweet, and BitterDB. 2D/3D and ADMET properties were obtained with Discovery Studio.