Journal
FOODS
Volume 10, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/foods10061379
Keywords
Hypericum perforatum L.; antioxidants; metabolic syndrome; cookies
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Funding
- University of Life Sciences in Lublin
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The study showed that the inclusion of different levels of St. John's wort (SJW) affected the content of polyphenols and other compounds in wheat cookies. After hydrolysis in simulated gastrointestinal conditions, 1.0 SJW cookies demonstrated higher bioactivity and antioxidant activity. Additionally, SJW cookies exhibited potential antimicrobial activity.
The aim of this study was to characterize wheat cookies enriched with 0.5% and 1.0% of Hypericum perforatum L. (St. John's wort, SJW) and determine their pro-health properties in vitro after hydrolysis in simulated gastrointestinal conditions. The results indicated that 1.0 SJW was characterized by the highest content of polyphenols, flavonoids, and phenolic acids (2.32 mg mL(-1), 4.93 mu g mL(-1), and 12.35 mu g mL(-1), respectively). The enriching cookies had no effect on water absorption capacity (WAC) and oil absorption capacity (OAC). After in vitro hydrolysis, the highest peptide content was noted in 1.0 SJW (0.52 mg mL(-1)), and the bioactive compounds were characterized by high potential bioaccessibility (PAC), but poor bioavailability (PAV). The addition of SJW increased the ACE, alpha-amylase, and LOX inhibitory effect, but reduced the inhibition of pancreatic lipase. The highest antioxidant activity was noted for 1.0 SJW. The results showed that only 0.5 SJW and 1.0 SJW had slight antimicrobial activity against E. coli ATCC 25922 and B. cereus ATCC 14579 with MIC = 12.5 mg mL(-1). Fractions with molecular mass <3.0 kDa were characterized with the highest p-coumaric acid content. The results show that SJW cookies had a higher content of bioactive compounds and more potent anti-metabolic syndrome effects.
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