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Rüdiger, A.L., Siani, A. C., & Veiga-Junior, V. F. (2007).The Chemistry and Pharmacology of the South America Genus Protium Burm. F. (Burseraceae). Pharmacognosy Reviews, 1, 93-104.
ABSTRACT: In the Amazonian rainforest, many species of Burseraceae known locally as “breu” are explored for the medicinal and aromatic uses of their trunk exudates. This material also has a long-standing use by the forest communities in building and caulking boats as well as in the making of wooden utensils and general crafts. Breu are strongly aromatic due volatile terpenes in their composition that are separated from the crude resin by steam distillation. The remaining residue amorphous “hard resin” is primary used for application in woodworking. Despite the potential for application in paints, varnishes and odor fixatives, the commercialization of the hard resin has not surpassed the local market level. In order to achieve and establish a more valorized market for this Amazonian non-timber forest product, the existing and potential demands need to be estimated, a draft of the production chain needs to be drawn up and care needs to be taken to provide products of the highest possible quality. This study aimed to identify and organize the main issues necessary for the attainment of these goals and its value chain, and identify the technologies that would improve the quality of the Amazonian breu as a raw material. A review of the data available in the literature and the analytical techniques that could be applied to generate standards for the extraction, purification, and analysis of the hard resin fraction was made. Quality issues based on physicochemical standards might affect the productive chain by: i) helping to consolidate the appropriate methodologies for collecting and storing the raw material; ii) adding value and qualifying the primary improvement processes and iii) supporting the certification of the raw materials for commercialization. Potentiate this material to reach high-level markets might boost the production demand and improve the rain forest communities’ income.