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Balsam of Peru

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balsam of Peru [′bȯl·səm əv pə′rü]
(materials)

Balsam of Peru 

a resin obtained from the bark of tropical American balsam trees of the genus Myroxylon. Balsam of Peru is a dark brown, thick, oily liquid with the aroma of vanilla. It acts as an acid in chemical reactions. It is insoluble in water but soluble in chloroform, acetic acid, and an alcohol-ether mixture. Its density varies between 1.14 and 1.16 g/cm3.

Balsam of Peru is composed mainly of esters of benzoic and cinnamic acid, resinols, and an admixture of vanillin. It is used in perfumery and pharmacy (as antiparasitic, antiseptic, and deodorant). A mixture containing synthetic esters of benzoic and cinnamic acid is often used instead of balsam of Peru.



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Common allergens (substances that cause an allergic reaction) that lead to hand dermatitis include nickel, Balsam of Peru (added to fragrances, foods, and skin care products), rubber, and topical vitamin E.
Patch testing elicited positive reactions to balsam of Peru (a fragrance as well as a flavoring agent put in cola drinks that cross-reacts with orange juice) and cinnamic aldehyde.
 
 
 
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