Styrax tonkinensis

Benzoe Siam resinoid is obtained by solvent extraction of the resin from Styrax tonkinensis (Pierre) Craib ex Hartwich trees (Styracaceae). The wild growing Styrax tree is widespread in Thailand, Laos, Cambodia, and Vietnam. 

Styrax tonkinensis Pierre. S. benzoin Dryand An Xi Xian (Styrax) (leaf) Sumaresinolic acid, coniferyl cinnamate, styracin, vanillin, alpha-phenylpropyl cinnamyl cinnamate, balsamic acid.33-50 As an aromatic stimulant, for aphrodisiac, an astringent. 

Daucus carota, Elettaria cardamomum, Ledum palustre, Thymus vulgaris Rorippa indica, R. islandica, R. montana Styrax tonkinensis, S. benzoin... 

Chelidonium album, C. hybridum, C. majus, C. serotinum Styrax tonkinensis, S. benzoin Cynomorium coccineum, C. songarium... 

Benzoe tonkinensis Siam-benzoin, gum benjamin Styrax tonkinensis (PIERRE) CRAIB t x HARTWICH Styracaceae Ph. Eur. Ill, OAB 90. Helv VII, USP XXtl, MD 25% free or combined adds, determined as benzoic acid (Ph. Eur. 111). Coniferyi benzoate (60%-80°/li), coumaryl benzoate (10-15%), benzoic acid (10%-20%), vanillin (about 0.3%), a-siaresinolk acid ( = 19-hydroxyoleanolic acid)... 

G. Benzoe Resinoid E benjoin resinoide Two types of b. are commercially available, b. Siam and b. Sumatra. The Siam type is produced by hydrocarbon solvent extraction of the tree resin of Styrax tonkinensis, Styraceae, which grows wild in Thailand, Laos, Cambodia and Vietnam. A related tree, Styrax benzoin, gives the starting material for b. Sumatra. The resins are collected by making incisions in the tree bark and later collecting the accumulated sun-dried material. This raw... 

Gum Benzoin. Resin benzoin resin benjamin gum benjamin. Balsamic resin from Styrax benzoin Dryand., known as Sumatra benzoin, or from S. tonkinensis (Pierre) Craib, Styracaceae, or other species of Styrax known as Siam benzoin. Habit. Thailand, Cambodia, S. Vietnam, Sumatra, Java, and Sunda Islands. Constit. Ethereal oil, free and combined benzoic and cinnamic acids up to 39%, vanillin, coniferyl benzoate, resin (a mixture of benzoresino] and ben-zoresinotannol) ester fled with benzoic acid, styrol, styradn. Not less than 90% of Siam and not less than 75% of Sumatra benzoic is sol in ale (U.S.F.), Ref Reinitzer, Arch. Pharm. 264, 131 (1926) Brans, Pharm. Weekbl. 73, 374 (1936) Freudenberg, Bittner, Ber. 83, 600 (1950). 

Benzoin is the balsamic resin obtained from the bark of various Styrax spp. Styrax benzoin Dryand and 5. paralleloneurum Perkins yield Sumatra benzoin 5. tonkinensis (Pierre) Craib ex Hartwich and other related Styrax species yield Siam benzoin. 

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