| 释义 |
Definition of guaiacol in English: guaiacolnoun ˈɡwʌɪəkɒlˌɡwaɪəˈkɔl mass nounChemistry An oily yellow liquid with a penetrating odour, obtained by distilling wood tar or guaiac, used as a flavouring and an expectorant. Alternative name: o-methoxyphenol; chemical formula: HOC₆H₄OCH₃ Example sentencesExamples - The two main synthetic sources of synthetic vanillin are from guaiacol (chemical industry) and from lignin (paper industry).
- These changes were associated with decreased activities of superoxide dismutase and guaiacol peroxidases and contents of ascorbate and glutathione.
- Activities of unspecific peroxidases were also measured using guaiacol as the substrate (not shown).
- Its synthetic counterpart, made from guaiacol or eugenol, is used in artificial vanillas.
- Glyceryl ether of guaiacol, commonly known as guaifenesin, is present in multiple cough and cold preparations.
Origin Mid 19th century: from guaiacum + -ol. Definition of guaiacol in US English: guaiacolnounˌɡwaɪəˈkɔlˌɡwīəˈkôl Chemistry An oily yellow liquid with a penetrating odor, obtained by distilling wood tar or guaiac, used as a flavoring and an expectorant. Alternative name: o-methoxyphenol; chemical formula: HOC₆H₄OCH₃ Example sentencesExamples - These changes were associated with decreased activities of superoxide dismutase and guaiacol peroxidases and contents of ascorbate and glutathione.
- Glyceryl ether of guaiacol, commonly known as guaifenesin, is present in multiple cough and cold preparations.
- Its synthetic counterpart, made from guaiacol or eugenol, is used in artificial vanillas.
- Activities of unspecific peroxidases were also measured using guaiacol as the substrate (not shown).
- The two main synthetic sources of synthetic vanillin are from guaiacol (chemical industry) and from lignin (paper industry).
Origin Mid 19th century: from guaiacum + -ol. |