Sensory,Physico-Chemical and Water Sorption Properties of Corn Extrudates Enriched with Spirulina |
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| Authors: | Ma?gorzata Tańska Iwona Konopka Millena Ruszkowska |
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| Institution: | 1.Faculty of Food Sciences,University of Warmia and Mazury,Olsztyn,Poland;2.Department of Commodity Science and Quality,Maritime Academy,Gdynia,Poland |
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| Abstract: | This study compares the quality of extrudates made from corn grits with the addition of up to 8% of spirulina powder. The sensory properties (shape, color, aroma, taste and crispness), chemicals (content of water, protein, fat, ash, fiber, carbohydrates, carotenoids, chlorophyll and phycocyanin) and physical properties (color, water absorption index, expansion indices, texture and water sorption properties) were determined. It has been found that spirulina-enriched extrudates had slightly lower sensory scores, but the addition of spirulina improved their nutritional value. The contents of protein, ash, fiber and β-carotene increased in extrudates with 8% of spirulina by 34, 36, 140 and 1,260%, respectively. The increasing addition of spirulina caused a decrease in extrudates lightness, an increase in their greenness and yellowness accompanied by a decrease of expansion indices and an increase of softness. Only small differences were found in water sorption properties, suggesting a similar behavior of spirulina-enriched extrudates during storage. |
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