What is anthraquinone used for?

What is anthraquinone used for?

Anthraquinone is a polycyclic aromatic hydrocarbon derived from anthracene or phthalic anhydride. Anthraquinone is used in the manufacture of dyes, in the textile and pulp industries, and as a bird repellant.

What are anthraquinone laxatives?

Introduction. Anthraquinones (AQs) are found in rhubarb root, Senna leaf and pod, Cascara, Buckhorn, and Aloe, and they are widely used in laxative preparations. AQ laxatives include physcion, chrysophanol, aloe-emodin, rhein, and sennosides.

What are free anthraquinones?

Free anthraquinones mainly contain rhein, emodin, aloe-emodin, chrysophanol, physcion, isoemodin, chrysaron, isoemodin, laccaic acid D. Combination anthraquinones are the glycosides combined by free anthraquinones and glycosyl.

How does anthraquinones work?

Anthraquinones act directly on the intestinal mucosa, influencing several pharmacological targets, and their laxative effect is largely due to increased peristalsis of the colon, reducing transit time and consequently the reabsorption of water from the colon making the stool more liquid and easing bowel movements.

Which drug contains anthraquinone?

ANTHRAQUINONES AS DRUGS Examples of anthraquinone derivatives that are used in the clinical practice include anthra- cyclines and related anticancer drugs, natural hydroxyanthraquinones used mainly as laxatives, and the antiinflammatory drug diacerein (Table I; Figs.

Is anthraquinone toxic?

Anthraquinone is not toxic and therefore there would be no expected cumulative effects from common mechanisms of toxicity. The Agency has considered anthraquinone in light of the relevant safety factors in FQPA and FIFRA.

What foods contain anthraquinone?

Anthraquinone derivatives with a laxative effect can be found in a number of plants: Senna leaves or fruits, rhubarb root, alder tree bark, cascara bark and aloe (see Chapter 2.19). The laxative effect is elicited by direct stimulation of the musculature of the colon.

Are anthraquinones yellow?

The term anthraquinone, however refers to the isomer, 9,10-anthraquinone (IUPAC: 9,10-dioxoanthracene) wherein the keto groups are located on the central ring….Anthraquinone.

Names
Appearance Yellow solid
Density 1.308 g/cm3
Melting point 286 °C (547 °F; 559 K)
Boiling point 379.8 °C (715.6 °F; 653.0 K)

What contains anthraquinone glycosides?

1 Plants Containing Anthraquinone Glycosides. Anthraquinones are distributed in fungi, lichens, and spermatophyta. They are also found in limited groups of angiosperm families such as Fabaceae, Liliaceae, Polygonaceae, Rhamnaceae, Rubiaceae, and Scrophulariaceae [3].

What is anthraquinone in aloe?

What makes Aloe act like a laxative? The outer pulp of Aloe leaves, known as the latex, contains anthraquinones. Aloin is an anthraquinone found in the latex that may give the plant its laxative qualities.

How is anthraquinone made?

According to HSDB (2010), at least six methods are available for the manufacture of anthraquinone: (a) oxidation of naphthalene to naphthaquinone, which is then condensed with butadiene to yield tetrahydroanthraquinone, then dehydrogenated to produce anthraquinone; (b) industrial preparation from phthalic anhydride and …

What is the color of anthraquinone?

Anthraquinone itself is colourless, but red to blue dyes are obtained by introducing electron donor groups such as hydroxy or amino groups in the 1-, 4-, 5- or 8-position. Anthraquinone dyestuffs are structurally related to indigo dyestuffs and are classified together with these in the group of carbonyl dyes.

How are anthraquinones used in the medical field?

Anthraquinones (9,10-dioxoanthracenes) constitute an important class of natural and synthetic compounds with a wide range of applications. Besides their utilization as colorants, anthraquinone derivatives have been used since centuries for medical applications, for example, as laxatives and antimicr …

What is the formula for the compound anthraquinone?

Anthraquinone, also called anthracenedione or dioxoanthracene, is an aromatic organic compound with formula C. 14H. 8O. 2. Several isomers are possible, each of which can be viewed as a quinone derivative.

How are anthraquinones related to glycosidic compounds?

Anthraquinones are structurally related to anthracene and possess the 9,10-anthracenedione core (Fig. 12.17 ). They are sometimes referred to as 9,10-dioxoanthracene. Anthraquinones typically occur in their glycosidic forms. Figure 12.17. Anthraquinone core. These compounds impart color to plants and have been widely utilized as natural dyes.

Where can you find anthraquinone derivatives in plants?

Anthraquinone derivatives Anthraquinone derivatives with a laxative effect can be found in a number of plants: Senna leaves or fruits, rhubarb root, alder tree bark, cascara bark and aloe (see Chapter 2.19). The laxative effect is elicited by direct stimulation of the musculature of the colon. Anthraquinone derivatives are present as glycosides.