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RSS FeedsMolecules, Vol. 27, Pages 6471: Unveiling Antimicrobial and Antioxidant Compositional Differences between Dukkah and Za’atar via SPME-GCMS and HPLC-DAD (Molecules)

 
 

1 october 2022 09:04:24

 
Molecules, Vol. 27, Pages 6471: Unveiling Antimicrobial and Antioxidant Compositional Differences between Dukkah and Za’atar via SPME-GCMS and HPLC-DAD (Molecules)
 


Interest in plant-based diets has been on the rise in recent years owing to the potential health benefits of their individual components and the notion that plant-based diets might reduce the incidence of several diseases. Egyptian dukkah and Syrian za’atar are two of the most historic and famous Middle Eastern herbal blends used for their anti-inflammatory, hypolipidemic, and antidiabetic effects. Headspace SPME-GCMS and HPLC-DAD were adopted for characterizing the aroma profile and phenolic compounds of both herbal blends, respectively. Further, vapor-phase minimum inhibitory concentration was employed for assessing each blend’s antibacterial potential, while their antioxidant potential was estimated via in vitro antioxidant assays. SPME headspace analysis indicated the abundance of ethers and monoterpene hydrocarbons, while HPLC revealed the presence of several phenolics including rosmarinic acid, ferulic acid, and rutin. Biological investigations affirmed that vapor-phase of the tested blends exhibited antibacterial activities against Gram-positive and Gram-negative pathogens, while the antioxidant potential of the blends was investigated and expressed as Trolox (125.15 ± 5.92 to 337.26 ± 13.84 μM T eq/mg) and EDTA (18.08 ± 1.62 to 51.69 41 ± 5.33 μM EDTA eq/mg) equivalent. The presented study offers the first insight into the chemical profile and biological activities of both dukkah and za’atar.


 
62 viewsCategory: Biochemistry, Chemistry, Molecular Biology
 
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