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Antioxidant Capacity, Arabinoxylans Content And In Vitro Glycaemic Index Of Cereal-Based Snacks Incorporated With Brewer’S Spent Grain, Sofia Reis, Nissreen Abu-Ghannam
Antioxidant Capacity, Arabinoxylans Content And In Vitro Glycaemic Index Of Cereal-Based Snacks Incorporated With Brewer’S Spent Grain, Sofia Reis, Nissreen Abu-Ghannam
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Extruded snacks and breadsticks were formulated with increasing levels of brewer’s spent grain (BSG). The phenolic content increased by 4 and 7 fold with BSG addition in extrudates (40g/100g) and in breadsticks (35g/100g), respectively. Consequently, antioxidant capacity (DPPH, FRAP) also increased despite a recorded loss of phenolic compounds in extruded snacks. Arabinoxylans content increased up to 20 and 25g of BSG addition /100g of formulated extruded snacks and breadsticks, respectively. Further addition of BSG did not improve the content of arabinoxylans due to the possible formation of polysaccharide-protein complexes. Medium GI breadsticks were obtained with 35g of BSG incorporation /100g …