See also:

• EUGENOL (allyl guaiacol, eugenic acid), C10H1202

EUGENOL (allyl guaiacol, eugenic See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid), C10H1202  , an odoriferous principle; it is the See also:

• CHIEF (from Fr. chef, head, Lat. caput)

chief constituent of oil of See also:

• CLOVES

cloves, and occurs in many other essential See also:

• OILS (adopted from the Fr. oile, mod. huile, Lat. oleum, olive oil)

oils . It can be synthetically prepared by the reduction of See also:

• CON

con iferyl See also:

• ALCOHOL

alcohol, (HO) (CH3O) C 6H3 • CH :CH • See also:

• CH2OH

CH2OH, which occurs in See also:

• COMBINATION (Lat. combinare, to combine)

combination with See also:

• GLUCOSE (from Gr. - twais, sweet)

glucose in the See also:

• GLUCOSIDE

glucoside coniferin, C16H2208 . It is a colourless oil boiling at 247° C., and having a spicy odour; On oxidation with See also:

• POTASSIUM [symbol K (from kalium), atomic weight 39.114 0=16)]

potassium permanganate it gives homovanillin, vanillin, &c.; with chromic See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid in acetic acid See also:

• SOLUTION (from Lat. solvere, to loosen, dissolve)

solution it is converted into See also:

• CARBON (symbol C, atomic weight 12)

carbon dioxide and acetic acid, whilst nitric acid oxidizes it to oxalic acid . By the See also:

• ACTION

action of alkalis it is converted into iso-See also:

• EUGENOL (allyl guaiacol, eugenic acid), C10H1202

eugenol, which on oxidation yields vanillin, the odorous principle of See also:

• VANILLA

vanilla (q.v.) . This transformation of allyl phenols into propenyl phenols is very See also:

• GENERAL
• GENERAL (Lat. generalis, of or relating to a genus, kind or class)

general (see Ber., 1889, 22, p . 2747; 1890, 23, p . 862) . See also:

• ALKALI

Alkali See also:

• FUSION

fusion of eugenol gives protocatechuic acid . The amount of eugenol in oil of cloves can be estimated by acetylation, in presence of See also:

• PYRIDINE

pyridine (A . Verley and Fr . Baelsing, See also:

• BEE (Sanskrit blza, AS. ben, Lat. apis)

Bee., 1901, 34, p . 3359) .

Chavibetol, an isomer of eugenol, occurs in the ethereal oil obtained from See also:

• PIPER, CARL, COUNT (1647-1716)

Piper belle .