Chem. Also -ole. [f. VALER-IAN + -OL.] ‘The neutral oxygenated constituent of valerian-oil’ (Watts).

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1845.  W. Gregory, Handbk. Org. Chem., 447. When fresh, it contains no valerianic acid, but an oil, valerole.

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1857.  Miller, Elem. Chem., Org., 398. The valerian root contains a compound (valerol, C12H10O2), which by oxidation becomes converted into valeric acid.

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1874.  Garrod & Baxter, Mat. Med., 289. Valerole … is a crystalline body at a low temperature.

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1876.  Harley, Mat. Med., 545. Valerol is a constituent of the volatile oil of hops.

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