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Ce grand arbre en forme de parasol, de 6 à 24 mètres de haut, à feuilles persistantes plates et couronnées, est originaire d’Afrique Australe, d’Afrique de l'Est, de Mascareignes et particulièrement de Madagascar. Les racines, le tronc et les fruits produisent une résine dure (le Copal) utilisée comme encens. Les fleurs sont jaunâtres et les fruits sont uniques.
Genotoxic properties of the essential oils extracted from Artemisia dracunculus (tarragon), Ocimum basilicum (basil), Cinnamomum loureirii (cinnamon), Laurus nobilis (laurel), Satureja montana (savory) and Rosmarinus officinallis (rosemary) are studied by Drosophila melanogaster Somatic Mutation and Recombination Test (SMART).
The recent multiplication of food scandals has made food safety a major concern for food producers. More than ever, consumers are asking for products that are microbiologically safe and, in the same time, containing less artificial preservatives. The use of small concentrations of essential oils could bring a solution to this dilemma, as some of those “natural additives” already have proven bacteriostatic properties.
Plant extracts, such as essential oils (Eos), which have long been used in traditional preparations, are currently adopted by the industrial manufactures for modern formulations of consumer products. They are found in perfumery and cosmetology as well as in food and pharmaceutical industries.
Citrus and bananas represent the two economically important fruit crops worldwide. The most important causes of post-harvest losses of these fruits are blue mold caused by Penicillium italicum and green mold caused by Penicillium digitatum for citrus, and anthracnose disease caused by Colletotrichum musea for bananas.
There is a huge concern in the medical field concerning the emergence of bacterial resistance to antibiotics. Essential oils are a source of antibacterial compounds that can overcome this problem. Ten essential oils that are commercially available were investigated in the present study: ajowan, basil, German chamomile, Chinese cinnamon, coriander, clove, lemongrass, Spanish lavender, oregano and palmarosa.
Nowadays, the demand for a reduction of chemical pesticides use is growing. In parallel, the development of alternative methods to protect crops from pathogens and pests is also increasing. Essential oil (EO) properties against plant pathogens are well known, and they are recognized as having an interesting potential as alternative plant protection products.
Scientific aromatherapy and integrated medicine are taking an increasingly greater role in the treatment of a number of infectious diseases for which conventional medicine has few effective solutions. Powerless and faced with treatment failure, some therapists are actively seeking alternative effective active substances to resolve this inadequacy. When prescribed by competent scientists, essential oils that are chemically and chemotypically defined provide real opportunities with encouraging...
In the present study, essential oil of Origanum compactum was analysed and its chemical composition was identified by gas chromatography coupled to mass spectrometry (GC-MS). Among thirty two assayed constituents, carvacrol (30.53%), thymol (27.50%) and its precursor g-terpinene (18.20%) were found to be the major components.
Essential oils (EOs) extracted from medicinal plants such as Origanum compactum, Artemisia herba alba and Cinnamomum camphora are known for their beneficial effects in humans. The present study was undertaken to investigate their possible antigenotoxic effects in an eukaryotic cell system, the yeast Saccharomyces cerevisiae.
Essential oils extracted from the three medicinal plants; Helichrysum italicum, Ledum groenlandicum and Ravensara aromatica, together with their mixture were tested for their genotoxic and antigenotoxic activities against urethane, a well-known promutagen.