Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/ijms232214458
Keywords
dietary polyphenols; high performance liquid chromatography; functional food; in vitro two-stage simulated gastrointestinal digestion; wild garlic; antioxidant activity; extrusion-cooking; processing parameters
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This study investigated the antiradical properties and polyphenolic compounds content of innovative snacks enriched with wild garlic leaves. The results showed that snacks enriched with wild garlic have good radical scavenging activity and high levels of polyphenols and phenolic acids. Additionally, the study found that gastrointestinal digestion affects the concentration and content of polyphenolic compounds in the snacks.
A new type of corn snack has been created containing additions of wild garlic (Allium ursinum L.). This medicinal and dietary plant has a long tradition of use in folk medicine. However, studies on wild garlic composition and activity are fairly recent and scarce. This research aimed to investigate the influence of the screw speed and A. ursinum amounts on the antiradical properties as well as the content of polyphenolic compounds and individual phenolic acids of innovative snacks enriched with wild garlic leaves. The highest radical scavenging activity and content of polyphenols and phenolic acids were found in the snacks enriched with 4% wild garlic produced using screw speed 120 rpm. The obtained findings demonstrated that snacks enriched with wild garlic are a rich source of polyphenolic compounds. Since the concentration of such compounds is affected by many factors, e.g., plant material, presence of other compounds, and digestion, the second aim of this study was to determine radical scavenging activity, the content of polyphenols, and individual phenolic acids of snacks after in vitro simulated gastrointestinal digestion. Using an in vitro two-stage model, authors noted a significant difference between the concentration of polyphenolic compounds and the polyphenol content of the plant material before digestion.
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