Isopulegol

Molecular & Flavor Profile
Common name: Isopulegol
IUPAC name: (1R,2S,5R)-5-methyl-2-prop-1-en-2-ylcyclohexan-1-ol
SMILES: CC1CCC(C(C1)O)C(=C)C
CAS: 89-79-2, 50373-36-9
Flavor Profile: cooling, minty, woody, medicinal
FEMA Flavor Profile: Mint , Cool
FEMA Number: 2962
Taste: Not Available
Odor: Not Available
Functional Groups: hydroxy compound, alcohol, secondary alcohol, alkene
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External IDs  

PubChem ID: 170833
FooDB ID: FDB014912
SuperSweet ID: NA
BitterDB ID: NA

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Entities that contain Isopulegol

  • Cognac Brandy
  • Rum
  • Buchu
  • Citrus Peel Oil
  • Eucalyptus
  • Geranium
  • Lemon Grass
  • Mastic Gum
  • Currant
  • Black Currant
  • Red Currant
  • White Currant
  • Orange
  • Lemon
  • Mandarin Orange
  • Cornmint
  • Lemon Balm
  • Mint
  • Rosemary
  • Ginger
  • Marjoram
  • Pepper

Physicochemical Properties

  • Molecular weight: 154.253 g/mol
  • HBD count: 1
  • HBA count: 1
  • Number of rotatable bonds: 1
  • Complexity: 151.0
  • Topological Polor Surface Area: 20.2 A^2
  • Monoisotopic Mass: 154.136 g/mol
  • Exact Mass: 154.136 g/mol
  • XlogP: 3.0
  • Charge: 0 C(coulomb)
  • Heavy Atom Count: 11
  • Atom Stereocenter Count: 3
  • Defined Atom Stereocenter Count: 3
  • Undefined Atom Stereocenter Count: 0
  • 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/C10H18O/c1-7(2)9-5-4-8(3)6-10(9)11/h8-11H,1,4-6H2,2-3H3/t8-,9+,10-/m1/s1
  • Volume 3D: 133.0

Nomenclature

  • Common name: Isopulegol
  • IUPAC name: (1R,2S,5R)-5-methyl-2-prop-1-en-2-ylcyclohexan-1-ol
  • CAS numbers: 89-79-2, 50373-36-9
  • SMILES: CC1CCC(C(C1)O)C(=C)C
  • InChI: InChI=1S/C10H18O/c1-7(2)9-5-4-8(3)6-10(9)11/h8-11H,1,4-6H2,2-3H3/t8-,9+,10-/m1/s1
  • FlavorDB/FEMA name: ISOPULEGOL
  • Synonyms: p-Menth-8-en-3-ol; 1-Methyl-4-isopropenylcyclohexan-3-ol; Cyclohexanol, 5-methyl-2-(1-methylethenyl)-, (1R-(1alpha,2beta,5alpha))-; Isopulegol
  • FL number: 2.067
  • NAS number: 2962
  • CoE number: 2033
  • EINECS number: 201-940-6
  • JECFA number: 755

Description

  • Flavor profile: cooling, minty, woody, medicinal
  • FooDB flavor profile: cooling, minty, woody, medicinal
  • FEMA flavor profile: Mint, Cool
  • Functional groups: hydroxy compound, alcohol, secondary alcohol, alkene
  • Bitter compound: No
  • Source description: Isopulegol is a cyclic nonaromatic alcohol

Regulatory Status

  • CoE status: 30 ppm
  • FDA status: 21 CFR 172.515
  • JECFA status: Acceptable. No safety concern at current levels of intake when used as a flavoring agent (2000)

Aroma/Taste Threshold Values

  • Aroma threshold values: 1 ppm
  • Taste threshold values: Taste characteristics at 30 ppm; minty cooling, herbaceous peppermint nuance

Natural Occurence

  • Occurrence summary: Naturally occurring; Reported in 22 FlavorDB source entities
  • Source entity count: 22
  • Representative sources: Cognac Brandy, Rum, Buchu, Citrus Peel Oil, Eucalyptus, Geranium, Lemon Grass, Mastic Gum, Currant, Black Currant
  • Documented natural occurrence: l-Isopulegol has been reported found in the essences of lemongrass, East African geranium and Eucalyptus citriodora; d-isopulegol is present in the oils of Backhousia and Baeckea citriodorae; d-neoisopulegol is found in Mentha rotundifo-lia. Also reported found in mint, mandarin, orange juice, citrus peel oils, currant bud, ginger, corn mint oil, cognac, rum, buchu oil, lemon balm and mastic gum oil

Composition

  • Molecular formula: C10H18O
  • Molecular composition: C: 0.779, H: 0.118, O: 0.104
  • Number of atoms: 11

ADMET Properties

  • ADMET Solubility: -2.489
  • ADMET Solubility Level: 3.0
  • ADMET BBB: 0.315
  • ADMET BBB Level: 1.0
  • ADMET EXT Hepatotoxic: -7.31513
  • ADMET EXT Hepatotoxic prediction md: False
  • ADMET EXT Hepatotoxic applicability: All properties and OPS components are within expected ranges.
  • ADMET EXT Hepatotoxic applicability md: 8.77412
  • ADMET EXT Hepatotoxic applicability mdpvalue: 0.571964
  • ADMET Absorption Level: 0.0
  • ADMET EXT PPB: -1.3679700000000001
  • ADMET EXT PPB prediction: True
  • ADMET EXT PPB applicability: All properties and OPS components are within expected ranges.
  • ADMET EXT PPB applicability md: 9.45929
  • ADMET EXT PPB applicability mdpvalue: 0.980424
  • ADMET unknown AlogP98: 0.0
  • ADMET AlogP98: 2.583
  • ADMET PSA 2D: 20.815

2D/3D Properties

  • Number of atoms: 11
  • Molecular formula: C10H18O
  • Molecular composition: C: 0.779, H: 0.118, O: 0.104
  • Molecular mass: 154.136 g/mol
  • Energy: 11.49 Kcal/M
  • AlogP: 2.583
  • LogD: 2.583
  • Molecular Solubilty: -2.035
  • 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: 1
  • Number of H donor lipinski: 1
  • Number of H bonds: 0
  • Number of rings: 1
  • Surface area(SA): 186.77 A^2
  • Molecular SASA(Solvent accessible SA): 343.033 A^2
  • Radius of gyration: 1.55344 A
  • Molecular 3D SASA: 317.23900000000003 A^2

Consumption

  • Consumption: 5016.00 lb
  • Individual intake: 0.004251 mg/kg/day
  • Trade association guidelines: 10.84 mg
  • IOFI: Nature Identical

Specifications

  • Specifications: (FCC, 1996); Acid value (max); 1.0; Optical rotation; Between 0° and –7°; Aldehydes; 1.0% as citronellal; Refractive index; 1.470–1.475 (25°C); Appearance; Colorless liquid; Solubility; 1:4 in 60% alcohol; Assay; 95% C10H18O; Specific gravity; 0.904–0.913 (25°C); Boiling point; 91° (12 mmHg)

Reported Uses

  • Reported uses (ppm): (FEMA, 2005)
  • Food category usual/max:
    Food categoryUsual (ppm)Max (ppm)
    Alcoholic beverages50.00200.00
    Gelatins, puddings50.00200.00
    Baked goods14.0019.00
    Hard candy100.00500.00
    Chewing gum500.001000.00
    Nonalcoholic beverages50.00200.00
    Confectionery, frostings100.00500.00
    Soft candy100.00500.00
    Frozen dairy12.0015.00

Synthesis

  • Synthesis: Several stereoisomers are possible; only l-isopulegol and d-α-isopulegol have been isolated from mixtures of alcohols obtained by cyclization of d-citronellal

Physical-Chemical Characteristics

  • Empirical formula / MW: C10H18O/154.25

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.