Acacia Catechu Extract
[Specification] Tannins 25%, Catechin 10%~98%
[Detection methods] HPLC
[Botanical name] Acacia catechu (Linn. f.) Willd.
[About Acacia catechu extract]
Acacia Catechu extract is derived from heartwood of Acacia catechu, a member of Leguminoseae family. Acacia catechu is highly valuable for its powerful astringent and antioxidant activities. Commonly known as Katha is an indispensable ingredient of Pan which is beetle leaf preparation chewed in India. It is useful in dental, oral, throat infections and as an astringent for reducing oozing from chronic ulcers and wounds. The chief phytoconstituent are constituents of the heartwood are catechin and epicatechin.
Acacia Catechu is a small-sized tree, from 15 to 20 feet high. The bark is thick, scabrous, rust-colored, slightly bitter, and exceedingly astringent; the branches are spreading, armed with strong, black, stipulary spines, and downy toward their extremities. The leaves are bipinnate; pinnae 10 to 20 pairs; leaflets 30 to 50 pairs, linear, bluntish, unequal, and auricled on the lower side of the base, and ciliated; the petiole angular, and channeled above, downy, with 1 orbicular urceolate green gland below the lowest pair, smaller ones between the two, and has 3 or 4 terminal pairs of pinnae. The spikes are axillary, 1 or 2 together, slender, cylindrical, and borne on downy stalks. The flowers are numerous, white or pale-yellow, and sessile. The calyx is downy, tubular, and 5-toothed; the teeth erect. Corolla rather longer than the calyx, 5-petaled, and glabrous. Stamens twice the length of the corolla, very numerous and distinct, anthers roundish. The ovary is green, glabrous, and shortly stipitate; the style capillary, and as long as the Stamens; stigma simple.
Acacia Catechu extract is an extract of any of several species of Acacia - but especially Acacia catechu - produced by boiling the wood in water and evaporating the resulting brew. Catechu is an astringent and has been used since ancient times in ayurvedic medicine as well as in breath-freshening spice mixtures.
Catechins have siginificant antioxidant and antimicrobial effects. It is considered to be the best antioxidant. The antioxidant capacities are evaluated in terms of ascorbate equivalents by different methods. The extract restores antioxident enzyme superoxide(SOD) from the radiation inducing damage.
Acacia has a considerable antimicrobial effect. A survey shows that they are being used as chewing sticks in various parts of the world, due to its antimicrobial effect and hence considered as valuable ingredient for dental care preparations and more.Also called cutch, it is a brown dye used for tanning and dyeing and for preserving fishnets and sails. White cutch, also known as gambier, gambeer, or gambir, has the same uses.
Catechu is widely used as a component of the betel leaf chewed in India. It is used for the local treatment of otitis and otorrhoea. It is also useful in dental, oral, throat and tonsillar infections, and as an astringent for reducing oozing from chronic ulcers and wounds. The extract is also used in dermatoses - locally and systemically.
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