ROMERO HIDALGO,, Luis Eduardo; VALDIVIEZO ROGEL, Carlos Jefferson    BONILLA BERMEO, Stefanie Michelle. Characterization of Sacha Inchi seed oil (plukenetia volubilis) from " Canton San Vicente, Manabí, Ecuador", obtained by non-thermal extrusion processes. []. , 30, 2, pp.77-87. ISSN 1390-8596.  https://doi.org/10.17163/lgr.n30.2019.07.

Sacha Inchi (Plukenetia Volubilis) (SI) is a plant native from Peru. The fruit of this plant is an oilseed than contains a high content of oil which is rich in unsaturated fatty acids (91.6%), being one of the seeds that contain this type of fat in higher percentage. For the extraction of this oil, the extrusion method was used, using an endless screw that allows the pressure increase in the dough, separating the oil contained in the seed. For this, an experimental extractor was adapted and put into operation to obtain this oil, extracting it at room temperature. To analyze the physicochemical characteristics of the seed, moisture, fiber, ash, fat and protein analyzes were conducted. Once the oil was obtained, the yields were calculated, and the following analyzes were performed: acid index, relative density, iodine value, peroxide index and fatty acid profile. Those results were compared with the analysis made to olive and fish oil, known for their high content of fatty acids, resulting that Sacha Inchi oil is better in both quality indexes, as in percentage of unsaturated fatty acids.

: Sacha Inchi; extrusion; peroxide index; unsaturated fatty acid; iodine index.

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