Buriti (Mauritia flexuosa) oil, native from the Amazon region, is a natural compound with several antioxidant properties and high carotene content. This oil can be used for cosmetic and dietary purposes. Considering the industrial importance of this oil, it is proposed a new high-tech product consisting in buriti oil microparticles. In this sense, the effect of biopolymers (inulin and gum arabic) on the physicochemical properties of freeze-dried buriti oil microparticles was evaluated in different combinations. The increase of inulin addition significantly increased (p < 0.05) the Aw values and the moisture content of microparticles. Negative zeta potential near -30mV was observed for all treatments indicating stability. The polydispersity index (PI) ranged from 0.14 to 0.37. The wettability found ranged from 59 s to 71 s, considered optimal for powdered foods for industry and consumer market requirements. Equal amount of wall material showed higher solubility value. The diffractograms showed...

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