amyloxide

Fifteen parts of acetate of amyloxide are dissolved with half a part of acetic ether in 100 or 120 parts of alcohol; this is the essence of pear, which, when employed to flavor sugar or syrup, to which a little citric or tartaric acid has been added, affords the flavor of bergamot pears, and a fruity, refreshing taste.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

The crude acetate of amyloxide obtained by separation, and by the distillation of the liquid to which the water has been added, is finally purified by being washed with soda and water.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

The largest samples were those of a compound labelled "pear-oil," which, by analysis, I discovered to be an alcoholic solution of pure acetate of amyloxide.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

_Apple-oil_ is an alcoholic solution of valerianate of amyloxide.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

For use as an essence of apples, one part of this valerianate of amyloxide is dissolved in 6 or 8 parts of alcohol.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

The acetate of amyloxide, which, according to the usual way of preparing it, represents one part sulphuric acid, one part fusel-oil, and two parts of acetate of potash, had a striking smell of fruit, but it acquired the pleasant flavor of the jargonelle pear only after having been diluted with six times its volume of spirit of wine.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

_ -- This is an alcoholic solution of acetate of amyloxide, and acetate of ethyloxide.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

When mixed with concentrated sulphuric acid, the mixture becomes of a violet-red color, and bisulphate of amyloxide is formed.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

I found, besides the pear-oil, also an _apple-oil_, which, according to my analysis, is nothing but valerianate of amyloxide.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851

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.

The Art of Perfumery And Methods of Obtaining the Odors of Plants George William Septimus Piesse 1851