bitter principle

A note on isolation of three new bitter principles from the neem oil.

It also contains bitter principles such as 3,6'-diferuloylsucrose.

The bitter principles of gentian root are seco-iridoid glycosides amarogentin and gentiopicrin.

Economically, some species are cultivated ornamental plants and many species yield bitter principles used medicinally and in flavorings.

The first taccalonolide was isolated in 1963 from the tubers of Tacca leontopetaloides when researchers were exploring the "bitter principle" of the plant.

Tannins, flavonoids, alkaloids, saponins, anthraquinones, starch, general glycosides and bitter principles can be found in the extract.

Boiling, which produced a decoction, withdrew the extractive, resinous, and bitter principles and was more effective on hard materials like barks, roots, and seeds.

Botanicals are initially macerated in distilled base alcohol before being redistilled to exclude bitter principles, and impart the desired complexity and texture to the spirit.

Another study of the time identified active bitter principles lactucin and lactucopicrin, but noted that these compounds from the fresh latex were unstable and did not remain in commercial preparations of lactucarium.

Flavedo is mostly composed of cellulosic material but also contains other components, such as essential oils, paraffin waxes, steroids and triterpenoids, fatty acids, pigments (carotenoids, chlorophylls, flavonoids), bitter principles (limonene), and enzymes.

In modern chemistry, principles are the constituents of a substance, specifically those that produce a certain quality or effect in the substance, such as a bitter principle, which is any one of the numerous compounds having a bitter taste.