2D Structure

3D Structure

Guaiacol


Properties
PID PID00097
Mol. Weight 124.139 g/mol
LogP 1.32
Water solubility In water 18,700 mg/L at 25 °C
Hydrogen Bond Donor 1
Hydrogen Bond Acceptor 2
Rotatable Bonds 1
XLogP3 1.3

Guaiacol

Identifiers
Formula C7H8O2
PubChem CID 460
FEMA 2532
Flavor Profile Aromatic Odor, Characteristic Sweet Odor, Slightly Phenolic; Burnt, Phenol, Wood
Smiles COC1=CC=CC=C1O
InChl Key LHGVFZTZFXWLCP-UHFFFAOYSA-N
InChl InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3
CAS Registry Number 8021-39-4, 90-05-1, 26638-03-9, 8001-58-9
IUPAC Systematic Name 2-methoxyphenol

Organ Location Map/System Distribution of Pungent Flavor Compounds’ Targets


Note: Known Targets (Gene) from 6952 literatures, DrugBank (http://www.drugbank.ca/), STITCH (http://stitch.embl.de/), ChEMBL (https://www.ebi.ac.uk/chembl/), Therapeutic Target Database (http://bidd.nus.edu.sg/group/ttd/), and Comparative Toxicogenomics Database (CTD, http://ctdbase.org/)


Related Pungent TCM

English Name Pinyin Name (Chinese Name) Latin Name Properties in TCM merdians View Graph
Ardisiae japonicaeAi Di Cha(矮地茶)Japanese Ardisia HerbMild,Pungent,BitterSpleen,HeartView Graph
Chinese Thorowax Equivalent plant: Bupleurum scorzChai Hu(柴胡)Bupleuri RadixMinor cold, Pungent, BitterLiver, Gallbladder, LungView Graph
Chinese Angelica Equivalent plant: PhlojodicarpusDang Gui (当归)Angelicae Sinensis RadixWarm,Pungent,SweetSpleen,Liver,HeartView Graph
Cassiabarktree TwigGui Zhi (桂枝)Cinnamomi RamulusWarm, Pungent, SweetLung, Bladder, HeartView Graph
bark of Officinal magnoliaHou Pu(厚朴)Magnoliae Officinalis CortexWarm, Pungent, BitterSpleen, LiverView Graph
Odoriferous RosewoodJiang Xiang (降香)Dalbergiae odoriferae LignumWarm, PungentLung, Spleen, StomachView Graph
Bugbane Equivalent plant: Cimicifuga dahurica, CiSheng Ma(升麻)Cimicifugae RhizomaCold, Sweet, PungentLung, Spleen, Large Intestine, StomachView Graph
Chinese ClematisWei Ling Xian (威灵仙)Clematidis Radix Et RhizomaWarm, Pungent, SaltyBladderView Graph
Datura metelYang Jin Hua(洋金花)Hindu Datura Flower Equivalent plant: Datura innoxHeart, lung,spleenPungent, warmView Graph

Pharmacological action

Guaiacol is yellowish aromatic oil. It is unstable and volatile. It can darken upon exposure to air and light. This compound contributes to the flavor of many substances such as whisky and roasted coffee as Flavoring agents.



Note: Click anywhere in the blank, you can drag the whole dynamic diagram. Click on a node, you can drag his location to see it more clearly. The blue circle represents pharmacology, toxicology, or daily use. Orange hexagon represents the pungent compounds.

References

1. Keller A, Vosshall L B. A psychophysical test of the vibration theory of olfaction[J]. Nature neuroscience, 2004, 7(4): 337.

2. Osterhout W J V. CALCULATIONS OF BIOELECTRIC POTENTIALS: VI. SOME EFFECTS OF GUAIACOL ON NITELLA[J]. The Journal of general physiology, 1939, 23(2): 171-176.

3. Zhang H, Wang Y, Shao S, Xiao, R. Catalytic conversion of lignin pyrolysis model compound-guaiacol and its kinetic model including coke formation[J]. Scientific reports, 2016, 6: 37513.

4. Rahimi A, Ulbrich A, Coon J J, Stahl S S. Formic-acid-induced depolymerization of oxidized lignin to aromatics[J]. Nature, 2014, 515(7526): 249.

5. Frumin I, Sobel N, Gilad Y. Does a unique olfactory genome imply a unique olfactory world?[J]. Nature neuroscience, 2014, 17(1): 6.

6. Martell J D, Deerinck T J, Sancak Y, Poulos T L, Mootha V K, Sosinsky G E, Ting A Y. Engineered ascorbate peroxidase as a genetically encoded reporter for electron microscopy[J]. Nature biotechnology, 2012, 30(11): 1143.

7. Davidovich-Rikanati R, Sitrit Y, Tadmor Y, Iijima Y, Bilenko N, Bar E, Pichersky E. Enrichment of tomato flavor by diversion of the early plastidial terpenoid pathway[J]. Nature biotechnology, 2007, 25(8): 899.

8. West B. Exchange in Cobalt Chelate Compounds[J]. Nature, 1950, 165(4186): 122.

9. Hu X, Kang J, Lu K, Zhou R, Mu L, Zhou Q. Graphene oxide amplifies the phytotoxicity of arsenic in wheat[J]. Scientific reports, 2014, 4: 6122.

10. Mainland J D, Li Y R, Zhou T, Liu W L L, Matsunami H . Human olfactory receptor responses to odorants[J]. Scientific data, 2015, 2: 150002.

11. Ma X, Ou Y B, Gao Y F, Lutts S, Li T T, Wang Y, Yao Y A. Moderate salt treatment alleviates ultraviolet-B radiation caused impairment in poplar plants[J]. Scientific reports, 2016, 6: 32890.

12. Collings J R, Savage N. Peroxidase as a marker for oestrogen dependence in human breast cancer[J]. British journal of cancer, 1979, 40(3): 500.

13. Barnes T C, Beutner R. The Alleged Membrane Potential Produced by Diffusion in Nerve Muscle Fibres[J]. Nature, 1950, 166(4213): 197.

14. Klee H J, Tieman D M. The genetics of fruit flavour preferences[J]. Nature Reviews Genetics, 2018: 1.

15. Mainland J D, Keller A, Li Y R, Zhou T, Trimmer C, Snyder L L, Zhan S . The missense of smell: functional variability in the human odorant receptor repertoire[J]. Nature neuroscience, 2014, 17(1): 114.

16. The New Issue of the British Pharmacopoeia

17. Gengmao Z, Shihui L, Xing S, Yizhou W, Zipan C. The role of silicon in physiology of the medicinal plant (Lonicera japonica L.) under salt stress[J]. Scientific reports, 2015, 5: 12696.

18. Hu Y, Wu Q, Sprague S A, Park J, Oh M, Rajashekar C B, White F F. Tomato expressing Arabidopsis glutaredoxin gene AtGRXS17 confers tolerance to chilling stress via modulating cold responsive components[J]. Horticulture research, 2015, 2: 15051.

19. Sheppard T L. Plant biology: Tomatoes quit smoking[J]. Nature chemical biology, 2013, 9(11): 665.

20. Kermen F, Midroit M, Kuczewski N, Forest J, Thvenet M, Sacquet J, Mandairon N. Topographical representation of odor hedonics in the olfactory bulb[J]. Nature neuroscience, 2016, 19(7): 876.

21. https://en.wikipedia.org/wiki/Guaiacol#Preparation

22.Gallegos, Jenna (August 17, 2017).?"The best way to drink whiskey, according to science".?The Washington Post.?Guaiacol is what gives whiskey that smoky, spicy, peaty flavor.

23. Dorfner R, Ferge T, Kettrup A, Zimmermann R, Yeretzian C. Real-time monitoring of 4-vinylguaiacol, guaiacol, and phenol during coffee roasting by resonant laser ionization time-of-flight mass spectrometry[J]. Journal of Agricultural and Food Chemistry, 2003, 51(19): 5768-5773.