Journal
FOOD RESEARCH INTERNATIONAL
Volume 55, Issue -, Pages 404-411Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2013.11.036
Keywords
Sarcocornia ambigua; Halophyte; Phenolic compounds; Antioxidant activity; Mass spectrometry; Minerals
Categories
Funding
- CNPq
- CAPES
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The study systematically investigated the nutritional potential of two different growing populations of Sarcocornia ambigua (salt-tolerant) in terms of nutrients, bioactive compounds, and antioxidant activities. The results revealed that the moisture content represented the largest single component (88.15% and 88.57%) in the proximate composition of both samples of S. ambigua. The mineral present in highest amounts in both samples (on a fresh matter basis) was sodium, followed by potassium, magnesium and then calcium. The antioxidant activity for samples measured by DPPH ranged from 34.64 to 135.83 mu mol TEAC 100 g(-1) and by FRAP from 31.92 to 170.14 mu mol Fe+2 100 g(-1). The fifteen phenolic compounds identified in each extract by HPLC-ESI-MS/MS reveal the presence of one coumarin (scopoletin), one phenolic aldehyde (syringaldehyde), eight phenolic acids (p-coumaric, cinnamic, vanillic, ferulic, caffeic, syringic, sinapic, and chlorogenic acids) and five flavonoids (galangin, quercetin, naringin, kaempferol and isoquercitrin). This information can be useful in determining the possible role of the compounds identified which can participate in the prevention of different health disorders. Further studies are needed to evaluate the bioabsorption and bioavailability of the compounds present in S. ambigua, as well as the interactions between them, after consumption. In summary, the findings of this study highlight the potential of this halophyte as a valuable source of natural antioxidants and nutrients for use in the food and pharmaceutical industries. (C) 2013 Elsevier Ltd. All rights reserved.
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