34 
EUUENOL. 
Eu^eiiol. 
CeH3(OH)(OCH3).C3H,4:3;l 
An unsaturated, aromatic phenol obtained from Oil of Cloves and 
other sources. 
Chemistry. — Chemically it is para-ox3"-meta-methox3"-all3d-benzol 
having the formula: 
C-CH,-CH=:CH2 
/\ 
HC CH 
I 1 
HC COCH3 
Character. — A colorless, or pale yellow, thin liquid, highl3" refrac- 
tive, and haAung a strongl3^ aromatic odor of cloves and a pungent, 
spicy taste. 
Solubility. — Almost insoluble in water, easil3' soluble in alcohol; 
should be soluble in 2 parts of TO per cent alcohol. 
This is the chief constituent of Oil of Cloves and ma3" be used instead 
of the latter; it is also the chief constituent of Oil of Pimenta. 
Dose. — ‘‘Average dose: 0.2 Cc. (3 minims).” (U. S. P.) 
Caution. — It should be kept in well-stoppered amber-colored bottles, 
in a cool place, protected from light. Exposure to air causes the oil 
to become darker and thicker. 
Derivatives. — Eugenol acetamide and eugenolcarbinol have been 
recommended as local anfesthetics and antiseptics; eugenol iodide is 
said to resemble aristol. Benzeugenol is the benzoic ether of eugenol. 
EXTRACTUM MALTI. 
Extract of Malt. 
This and Maltum (q. v.) are reintroductions into the Pharmacopoeia 
of articles admitted to the 1880 revision but dismissed in 1890; it is 
contained in the National Formular3". Extractum Malti Eluidum, 
N. F. , is a h3"dro-alcoholic extract. 
Properties. — Malt extract consists of easily assimilable carhoh3"- 
drates- — maltose and dextrin — and small quantities of proteids; the 
ash contains the phosphates of calcium and magnesium. If the malt 
has not been overheated (b3^ which the diastase would be destroyed), 
and if the extract is prepared according to the U. S. Pharmacopada 
process, the preparation, when fresh, will contain diastase which is an 
efficient ferment for the conversion of starch into dextrose; the dia- 
static power, however, rapidly deteriorates on keeping. 
