Tincture of benzoin is a pungent solution of benzoin resin in ethanol. A similar preparation called Friar's Balsam or Compound Benzoin Tincture contains, in addition, Cape aloes or Barbados aloes and storax resin.[1][2] Friar's balsam was invented by the English doctor and MP Joshua Ward c. 1760.[3]
- ^ "Compound Benzoin Tincture", British Pharmacopoeia, vol. 3, 2009
- ^ "Compound Benzoin Tincture", United States Pharmacopeia, vol. USP29–NF24, 2006
- ^ "Joshua Ward". Westminster Abbey. Retrieved 2021-02-03.
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