AI Article Synopsis
- The date agro-industry needs to develop methods to enhance the value of by-products from dates, specifically analyzing twelve intermediate food products (IFPs) derived from Medjool and Confitera varieties across different ripening stages.
- The study found that unripe date IFPs have higher antioxidant activity and phytochemical content, particularly rich in phenols and flavonoids, indicating strong potential health benefits.
- Blanching improved the quality of Confitera IFPs, and a positive correlation was established between the levels of bioactive compounds and antioxidant activity, suggesting these compounds could be effective indicators of health benefits.
Article Abstract
The date agro-industry needs to find appropriate techniques to give value to their co-products. This study analyzes twelve intermediate food products (IFPs) from date co-products, Medjool and Confitera cv. at several ripening stages, blanched and unblanched, for their content in bioactive compounds (phenols, tannins, flavonoids, carotenoids and anthocyanins) and the antioxidant activity (AA). IFPs from the more unripe stages had the highest AA and phytochemicals content, mainly phenols, up to 1.4 g GAE/100 g, with high proportions of tannins. Flavonoids were found in high amounts, up to 874 mg RE/100 g. Among the AA are significant the antiradical efficiency (4.62 mM TE/100 g) and chelating activity (252 μM EDTA/100 g). Blanching was beneficial for Confitera IFPs. A positive correlation was found between phenols, tannins and flavonoids and the AA; and their content could be used as indicator of the AA. Date IFPs have potential use as an antioxidant functional ingredient.
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| http://dx.doi.org/10.1016/j.foodchem.2014.02.172 | DOI Listing |
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