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- Title
TRIAGEM PRELIMINAR DA PRESENÇA DE INULINA EM PLANTAS ALIMENTÍCIAS.
- Authors
Rossi, Daniele Misturini; Magalhães, Cris Rocha Pinto; Kinupp, Valdely; Flôres, Simone Hickmann
- Abstract
Inulin and oligofructose are polymers of fructose found in different vegetal species and intensively investigated, regarding their health benefits and technological properties in the food industry. Currently, the chicory (Cichorium intybus) is the main source of inulin for industrial application, but other species such as Helianthus tuberosus L. (Jerusalem artichoke) and Smallanthus sonchifolius (yacon) have been researched regarding the content of inulin and oligofructose. A preliminary survey of the content of inulin was performed in four vegetal species, mostly non-cultivated, harvested in the region of Porto Alegre. Therefore, the roots or bulbs were crushed and homogenized in hot water for the extraction of inulin, and the filtered extracts analyzed by HPLC. The preliminary screening detected the presence of inulin in all extracts analyzed, and yacon Gaucho (Smallanthus connatus (Spreng.) H. Rob.) and Arrowroot (Maranta arundinacea L.) were the species of higher content of inulin among plant analyzed, with 43.18 and 45.83% of inulin (dry weight), respectively, followed by native-Raditi (Hypochaeris chillensis (Kunth) Britton) that showed 21.05% of inulin (dry weight). These were superior to andes Yacon (Smallanthus sonchifolius) also analyzed, which showed 13.37% of inulin (dry weight), result consistent with other studies in the literature.
- Subjects
INULIN; EDIBLE plants; JERUSALEM artichoke; EVAPORATION (Chemistry); ASTERACEAE
- Publication
Brazilian Journal of Food & Nutrition / Alimentos e Nutrição, 2011, Vol 22, Issue 2, p247
- ISSN
0103-4235
- Publication type
Article