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Title

Aronia-Enriched Lemon Juice: A New Highly Antioxidant Beverage

AuthorsGarcía-Viguera, Cristina ; Moreno, Diego A. ; González-Molina, Elena
KeywordsCitrus limon
Aronia melanocarpa
Beverage
Antioxidant
Health
DPPH•
Flavonoids
Storage
Issue Date13-Nov-2008
PublisherAmerican Chemical Society
CitationJournal of Agricultural and Food Chemistry 56(23): 11327-11333 (2008)
AbstractLemon juice (LJ) was enriched with aronia concentrate (AC) in two different proportions (2.5 and 5%, v/v) to design new beverages rich in bioactive ingredients. The phytochemical composition (anthocyanins, flavanones, flavones, flavonols, and hydroxycinnamic acids) and stability of the beverages were analyzed by high-performance liquid chromatography with a diode array detector (HPLC−DAD), as well as color alterations and in vitro antioxidant activity (DPPH• assay). Results showed that, although anthocyanin degradation was higher than 90% after 60 days of storage, the new beverages retained an attractive red color. Also, the in vitro antioxidant activity of the new mixtures was 2-fold higher when 5% AC was added compared to pure LJ. Thus, an addition of only 5% AC could effectively increase the antioxidant properties of LJ, as well as improving certain organoleptic characteristics, rendering an interesting beverage in the growing market of food for health.
Description7 pages, 5 tables, 3 figures.
Publisher version (URL)http://dx.doi.org/10.1021/jf802790h
URIhttp://hdl.handle.net/10261/17540
DOI10.1021/jf802790h
ISSN0021-8561
E-ISSN1520-5118
Appears in Collections:(CEBAS) Artículos
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