NDLI: Antibacterial and Antioxidant Properties of Oregano and Rosemary Essential Oil Distillation By-Products

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Antibacterial and Antioxidant Properties of Oregano and Rosemary Essential Oil Distillation By-Products

Content Provider	MDPI
Author	Bouloumpasi, Elisavet Hatzikamari, Magdalini Lazaridou, Athina Chatzopoulou, Paschalina Biliaderis, Costas G. Irakli, Maria
Copyright Year	2021
Description	The objective of this study was to investigate the antibacterial and antioxidant effect of Greek oregano and rosemary by-products from essential oil distillation on pathogenic and spoilage bacteria. The antibacterial effect of raw material of oregano and rosemary before distillation and post distillation, the dried residues, was tested against the following bacteria: Escherichia coli, Salmonella enterica subsp. enterica ser. Typhimurium, Listeria monocytogenes, Staphylococcus aureus, Bacillus subtilis, Bacillus licheniformis, and Bacillus cereus strains. Results showed that rosemary distillation by-products were able to inhibit the growth of all Bacillus (B. subtilis, B. licheniformis, B. cereus) strains and L. monocytogenes while oregano affected the growth of L. monocytogenes and S. aureus, even at the minimum concentration. However, it affected B. cereus, at the maximum concentration. The total phenolic content in oregano/rosemary raw material and their by-products was approximately similar; however, antioxidant activity was reduced in oregano solid residue, whereas it was surprisingly increased in the rosemary by-products after distillation. These results suggest the potential use of oregano and rosemary distillation by-products as antimicrobial and bioactive agents.
Starting Page	47
e-ISSN	26739976
DOI	10.3390/Foods2021-11020
Journal	Biology and Life Sciences Forum
Issue Number	1
Volume Number	6
Language	English
Publisher	MDPI
Publisher Date	2021-10-14
Access Restriction	Open
Subject Keyword	Biology and Life Sciences Forum Integrative and Complementary Medicine Oregano Rosemary Distillation Residue Antimicrobial Antioxidant By-product Valorization
Content Type	Text

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