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Chemical composition and antibacterial and antioxidant properties of commercial essential oils
Abstract The aim of this work was to determine the effectiveness of 17 essential oils to inhibit the growth of seven food-borne spoilage and pathogenic bacterial strains ( Brochothrix thermosphacta ,Expand
Chemical composition and bioactivity of different oregano (Origanum vulgare) extracts and essential oil.
O. vulgare extracts and essential oil from Portuguese origin are strong candidates to replace synthetic chemicals used by the industry. Expand
Considerations on ultra-trace analysis of phthalates in drinking water.
The proposed method showed to be feasible and sensitive with a low sample volume requirement to monitor phthalates in drinking water matrices at the ultra-trace level, in compliance with international regulatory directives on water quality. Expand
Antioxidant and antiacetylcholinesterase activities of five plants used as Portuguese food spices
Abstract In the present work, we report the results of a study aimed at evaluating the antiradical activity, the antioxidant activity and the acetylcholinesterase (E.C. inhibitory capacityExpand
Characterization of the aroma profile of Madeira wine by sorptive extraction techniques.
The characterization of the aroma profile of 33 samples of Madeira wine from five monovarieties (Sercial, Verdelho, Boal, Malvasia and Tinta Negra Mole) having different type and categories isExpand
European pennyroyal (Mentha pulegium) from Portugal: Chemical composition of essential oil and antioxidant and antimicrobial properties of extracts and essential oil
Abstract There is a growing interest of industry to replace synthetic chemicals by natural products with bioactive properties from plant origin. The aim of this study was to determine the chemicalExpand
Antioxidant and antiacetylcholinesterase activities of essential oils from Cymbopogon schoenanthus L. Spreng. Determination of chemical composition by GC–mass spectrometry and 13C NMR
Abstract Cymbopogon schoenanthus L. Spreng , is an aromatic herb consumed in salads and used to prepare traditional meat recipes in Tunisia. The chemical composition, antioxidant activities andExpand
Antioxidant and antimicrobial activity of Satureja montana L. extracts.
The findings indicate that the bioactive extracts of S. montana have strong potential for use as natural antimicrobials and antioxidants in the preservation of processed food. Expand
Photoactive extracts from Thevetia peruviana with antifungal properties against Cladosporium cucumerinum.
Terpenes seem to be the major substances with antifungal photoactivity in Thevetia peruviana, and Pulegone, linoleic acid and palmitic acid were the major compounds. Expand
Determination of steroid sex hormones in water and urine matrices by stir bar sorptive extraction and liquid chromatography with diode array detection.
The present methodology is easy, reliable and sensitive at the trace level, only requiring a low sample volume, showing to be a good analytical alternative to routine quality control for environmental and biomedical laboratories. Expand