5/27/2023 0 Comments Orange juice with pulp![]() A flavonoid-rich extract of orange juice reduced oxidative stress in an experimental model of inflammatory bowel disease. The effects of greater amounts of orange pulp remain to be determined.Ĭolonic fermentation Gastrointestinal digestion Orange juice flavanones Phenolic catabolites Pulp.įusco R, Cirmi S, Gugliandolo E, Di Paola R, Cuzzocrea S, Navarra M. In conclusion, the amount of pulp included in these shop-bought orange juices had little impact on flavanone metabolism in models of the GI tract. However, after 24 h colonic fermentation there was no significant difference between juices in terms of hesperidin, hesperetin, narirutin, naringenin and catabolites. After 2 h colonic fermentation, hesperidin was 1.2 fold higher in OJP than OJ. ![]() After in vitro upper GI digestion, recovery of hesperidin was higher in OJ compared with OJP (89 ± 6 vs. The fate of flavanones in OJ and OJP (Tropicana) were further compared using in vitro gastrointestinal (GI) models. Apart from total phenols (OJ: 208.4 ± 10.7 μg gallic acid equivalents (GAE) ml -1 OJP: 225.9 ± 16.7 μg GAE ml -1, P < 0.05), there were no differences between OJ and OJP. The inclusion of pulp had little impact on fibre content. ![]() Total phenols, total flavonoids, antioxidant capacity, hesperidin and narirutin, and dietary fibre were measured in six orange juice brands sold as OJP and OJ. However, little is known of the variation in flavanone content of shop-bought orange juice with pulp (OJP) or without pulp (OJ), nor the impact of pulp on the fate of flavanones in the gut. Orange juice is an important source of flavanones in the Western diet.
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