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Title

Influence of orange cultivar and mandarin postharvest storage on polyphenols, ascorbic acid and antioxidant activity during gastrointestinal digestion

AuthorsAncos, Begoña de ; Cilla, Antonio; Barberá, Reyes; Sánchez-Moreno, Concepción ; Cano, M. Pilar
KeywordsIn vitro gastrointestinal digestion
Total antioxidant activity
Ascorbic acid
Polyphenols
Citrus fruits
Issue Date2017
PublisherElsevier
CitationFood Chemistry 225: 114-124 (2017)
AbstractPolyphenols, ascorbic acid content and antioxidant activity of two sweet oranges (Navel-N and Cara Cara-CC) and mandarin (Clementine-M) as well as their bioaccessibilities were evaluated in pulps and compared to those in fresh juice. Thus, pulps of oranges and mandarins displayed higher hesperidin (HES), narirutin (NAR), total flavonoids (TF), total phenols (TP) and antioxidant activity (AAC) than their corresponding juices. Also, CC products presented higher bioactive compounds content than N ones. Bioaccessibility of bioactive compounds and AAC were higher in pulps of both oranges and mandarin than in their corresponding juices. Oranges (N and CC) pulps and juices presented higher bioaccessibilities than mandarin ones. The postharvest storage of mandarin at 12 °C during 5 weeks not only produced a significant increase of the bioactive compounds but also an increase of their bioaccessibility. The bioaccessibility of Citrus bioactive compounds is necessary for calculating more accurately their daily intake amount.
Publisher version (URL)https://doi.org/10.1016/j.foodchem.2016.12.098
URIhttp://hdl.handle.net/10261/150636
Identifiersdoi: 10.1016/j.foodchem.2016.12.098
issn: 0308-8146
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(CIAL) Artículos
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