Abstract Title:

Evaluation of anti-inflammatory activity and fast UHPLC-DAD-IT-TOF profiling of polyphenolic compounds extracted from green lettuce (Lactuca sativa L.; var. Maravilla de Verano).

Abstract Source:

Food Chem. 2015 Jan 15 ;167:153-61. Epub 2014 Jul 4. PMID: 25148972

Abstract Author(s):

Giacomo Pepe, Eduardo Sommella, Michele Manfra, Mauro De Nisco, Gian Carlo Tenore, Antonio Scopa, Adriano Sofo, Stefania Marzocco, Simona Adesso, Tiziana Novellino, Pietro Campiglia

Article Affiliation:

Giacomo Pepe


Fresh cut vegetables represent a widely consumed food worldwide. Among these, lettuce (Lactuca sativa L.) is one of the most popular on the market. The growing interest for this"healthy"food is related to the content of bioactive compounds, especially polyphenols, that show many beneficial effects. In this study, we report the anti-inflammatory and antioxidant potential of polyphenols extracted from lettuce (var. Maravilla de Verano), in J774A.1 macrophages stimulated with Escherichia coli lipopolysaccharide (LPS). Lettuce extract significantly decreased reactive oxygen species, nitric oxide release, inducible nitric oxide synthase and cycloxygenase-2 expression. A detailed quali/quantitative profiling of the polyphenolic content was carried out, obtaining fast separation (10 min), good retention time and peak area repeatability, (RSD% 0.80 and 8.68, respectively) as well as linearity (R(2)⩾ 0.999) and mass accuracy (⩽ 5 ppm). Our results show the importance in the diet of this cheap and popular food for his healthy properties.

Study Type : In Vitro Study

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