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Title: INFLUENCE OF PRETREATMENT CONDITIONS ON THE CONTENT OF ANTIOXIDANT COMPOUNDS EXTRACTED FROM CUCURBITA MAXIMA
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INFLUENCE OF PRETREATMENT CONDITIONS ON THE CONTENT OF ANTIOXIDANT COMPOUNDS EXTRACTED FROM CUCURBITA MAXIMA
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1314-2704
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English
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18
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6.2
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Winter pumpkin represents a seasonal crop of health and food interest due to its nutritional composition. The aim of the present study was to comparatively evaluate the content of the main antioxidant compounds, carotenoids and phenolics, from pumpkin (Cucurbita maxima) pulp as related to different pretreatment conditions. Samples of pumpkin pulp were subjected to three pre-extraction methods, as follow: freeze-drying, oven-drying at 60oC and freezing at -70oC. Conventional extraction of carotenoids and polyphenolic-based compounds was performed. Macronutrients composition was also evaluated in the selected pumpkin variety. The results showed high levels of total carotenoids and phenolics in freeze-dried samples. The lowest content of total carotenoids was found in frozen pumpkin samples, while low levels of total phenolics were recovered from oven-dried samples, probably due to the degradation reactions during the pretreatment. Pumpkin extracts may constitute valuable products as such or as ingredients intended for different applications, such as food, pharmaceutical, dietary supplements or cosmetics.
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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261-268
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02-08 July, 2018
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website
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cdrom
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1882
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pumpkin; carotenoids; polyphenolic compounds
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