from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to, or obtained from, valerian root.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or obtained from, valerian root; specifically, designating an acid which is usually called valeric acid.
from The Century Dictionary and Cyclopedia
- Same as valeric.
[Transcriber's note: the original text reads: "amyl valerianice ther10 parts"] amyl valerianic ether 10 parts.
Most of the oxidizing processes have an energetic effect on it, forming also considerable quantities of valerianic acid.
On exposure to the air Valerian oil becomes oxidised, and forms valerianic acid, which together with an alcohol, "borneol," constitutes the active medicinal part of the plant.
In the same way cats are irresistibly attracted to preparations of valerian because their own urine contains valerianic acid.
The odors they were observed to dislike most frequently were asafoetida, valerianic acid, and civet, the last being regarded as most repulsive of all on account of its resemblance to fæcal odor, which these people regard with intense disgust.
From its soap Frolicher has obtained acetic, valerianic, butyric and benzoic acids.
By oxidation with bichromate of potash and sulphuric acid, fusel oil yields valerianic acid, which is used in medicine, and apple-oil, employed as a flavoring ingredient in confectionery.
It is better prepared in the following manner: -- For the preparation of valerianic acid, 1 part of fusel-oil is mixed gradually with 3 parts of sulphuric acid, and 2 parts of water added.
The cold solution is added to 1-1/4 parts of the above valerianic acid; the mixture is warmed for some minutes (not too long or too much) in a water-bath, and then mixed with a little water, by which means the impure valerianate of amyloxide separates, which is washed with water and carbonate of soda.
It is obtained impure, as a by product, when for the preparation of valerianic acid, fusel-oil is distilled with bichromate of potash and sulphuric acid.
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