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Costa, Anabela S.G.; Alves, Rita C.; Vinha, Ana F.; Costa, Elísio; Costa, Catarina S.G.; Nunes, M. Antónia; Almeida, Agostinho A.; Santos-Silva, Alice; Oliveira, M. Beatriz P.P.
Food chemistry, 11/2018, Letnik: 267Journal Article
•Coffee silverskin is very rich in insoluble fibre (49%).•Potassium, magnesium and calcium are major macrominerals of silverskin.•The vitamin E profile of silverskin comprises seven vitamers.•Silverskin extracts protected erythrocytes from oxidative induced hemolysis,•At higher extract concentrations a pro-oxidant effect was observed. Coffee silverskin (a coffee roasting by-product) contains high amounts of dietary fibre (49% insoluble and 7% soluble) and protein (19%). Potassium (∼5g/100g), magnesium (2g/100g) and calcium (0.6g/100g) are the major macrominerals. The vitamin E profile of silverskin comprises α-tocopherol, β-tocopherol, ɣ-tocopherol, δ-tocopherol, β-tocotrienol, ɣ-tocotrienol, and δ-tocotrienol. The fatty acid profile is mainly saturated (C16:0 and C22:0), but the total amount of fat is low (2.4%). Caffeine (1.25g/100g), chlorogenic acid (246mg/100g), and 5-hydroxymethylfurfural (5.68mg/100g) are also present in silverskin. Total phenolics and flavonoids are partially responsible for the in vitro antioxidant activity. Silverskin extracts protected erythrocytes from oxidative AAPH- and H2O2-induced hemolysis, but at high concentrations a pro-oxidant effect on erythrocyte morphology was observed.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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