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- W4384958327 abstract "Abstract The aim was to extract bioactive compounds from the husk and pulp of Dioscorea bulbifera L. by the combination of ultrasound and solid-liquid extraction techniques, as well as to evaluate the antioxidant potential. The extraction at 80°C for 60 minutes showed the highest content of total phenolic compounds (TPC), 715.53 ± 8.00 mg EAG 100 g − 1 , for the husk, while the extraction at 70°C for 45 minutes showed 235.50 ± 25.30 mg EAG 100 g − 1 , for the pulp. The extracts with the highest TPC were evaluated for the other bioactive compounds. The husk and pulp extracts showed flavonoid content of 363.63 ± 8.92 and 102.44 ± 1.51 mg EC 100 g − 1 , respectively. The estimation of the total carotenoid content allowed obtaining 2.13 ± 0.11 µg 100 g − 1 for the husk and 1.34 ± 0.11 µg 100 g − 1 for the pulp. The antioxidant potential was evaluated according to the FRAP assay (125.09 ± 8.52 and 32.76 ± 0.65 µM ferrous sulfate g − 1 ), the removal of H 2 O 2 (29% and 41%), the ABTS radical assay (66.88 ± 0.93 and 14.93 ± 0.31 µM Trolox g − 1 ) and the β-carotene/linoleic acid system, (84% and 47%) for husk and pulp, respectively. The bioaccessibility was obtained around 25% (pulp) and 16% (husk) accessible for absorption in the intestine. The combination of ultrasound and solid-liquid extraction methods proved to be effective in extracting bioactive compounds, which is a potential source for isolation and purification of bioactive compounds, with possible applications in the food industry." @default.
- W4384958327 created "2023-07-22" @default.
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- W4384958327 date "2023-07-21" @default.
- W4384958327 modified "2023-09-26" @default.
- W4384958327 title "Bioactive compounds from Dioscorea bulbifera L. obtained by combined ultrasound- assisted and solid-liquid extraction" @default.
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- W4384958327 doi "https://doi.org/10.21203/rs.3.rs-3171752/v1" @default.
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