| Journal: | Brazilian journal of chemical engineering |
| Database: | PERIÓDICA |
| System number: | 000308754 |
| ISSN: | 0104-6632 |
| Authors: | Araujo, M.E1 Machado, N.T Franca, L.F Meireles, M.A.A2 |
| Institutions: | 1Universidade Federal do Para, Departamento de Engenharia Quimica, Belem, Para. Brasil 2Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos, Campinas, Sao Paulo. Brasil |
| Year: | 2000 |
| Season: | Sep |
| Volumen: | 17 |
| Number: | 3 |
| Pages: | 297-306 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental |
| English abstract | The pupunha (Guilielma speciosa) is the fruit of a palm tree typical of the Brazilian Northern region, whose stem is used as a source of heart of palm. The fruit, which is about 65% pulp, is a source of oil and carotenes. In the present work, an analysis of the kinetics of supercritical extraction of oil from the pupunha pulp is presented. Carbon dioxide was used as solvent. The extractions were carried out at 25 MPa and 323 K and 30 MPa and 318 K. The chemical composition of the extracts in terms of fatty acids was determined by gas chromatography. The amount of oleic acid, a saturated fatty acid, in the CO2 extracts was larger than that in the extract obtained with hexane. The overall extraction curves were modeled using the single-parameter model proposed in the literature to describe the desorption of toluene from activated coal |
| Disciplines: | Química |
| Keyword: | Ingeniería química, Aceites vegetales, Extracción supercrítica, Lípidos, Carotenos, Guilielma speciosa |
| Keyword: | Chemistry, Chemical engineering, Plant oils, Supercritical extraction, Lipids, Carotenes, Guilielma speciosa |
| Full text: | Texto completo (Ver HTML) |
