TAILIEUCHUNG - Chemical composition of the essential oil of Curcuma longa and evaluation of the antifungal activity on Rhizopus stolonifer and Penicillium sp. responsible fungi for post-harvest rot of Dioscorea rotoundata in cameroon

This study focused its investigation on the use of the essential oil of a culinary and medicinal plant commonly used in Cameroon, Curcuma longa also called red ginger for the protection of white yam (Discorea rotoundata) during storage. The oil was obtained by hydro distillation using Clevenger apparatus with a yield of , the chemical composition analysis revealed a predominance of oxygenated sesquiterpens (OST ) with as major compound α-bisabolol (), E-β-santalol (), β-cymene (). Fungi isolated from apparently healthy yam tubers were identified as Rhizopus stolonifer and Penicillium sp., In vitro and in situ oil activity was evaluated. The oil completely inhibited the growth of in vitro pathogens at 1150 and 6000 ppm respectively for Rhizopus stolonifer and Penicillium sp., the oil being more active on Rhizopus stolonifer. In situ tests were carried out only with this fungus. The essential oil of Curcuma longa has significantly reduced the rot caused by this pathogen, a reduction of and was obtained for the preventive and curative tests respectively. No significant difference in activity was observed in both tests. However, there is a significant difference (P ≤ ) in activity between the essential oil and the reference fungicide at the recommended concentration. As concerning the activity of this essence, the red ginger essential oil could be used as a biofungicide for the protection of yam tubers preserved against R. stolonifer, the most formidable fungus of rot white yam in Cameroon. | Chemical composition of the essential oil of Curcuma longa and evaluation of the antifungal activity on Rhizopus stolonifer and Penicillium sp. responsible fungi for post-harvest rot of Dioscorea rotoundata in cameroon

• Sinh học
• Essential oil
• Curcuma longa
• Rhizopus stolonifer
• Penicillium sp Dioscorea rotoundata
• Dioscorea rotoundata in cameroon
• Summary of PHD dissertation
• Researching of plant containing essential oil
• Evaluating on the resources of plant containing essential oil
• Plant containing essential oil
• Ben En National Park
• Thanh Hoa province
• The conservation measures
• Callicarpa arborea
• Callicarpa arborea roxb growing
• Essential oil from leaves
• Leaves of Callicarpa arborea roxb
• Chemical composition of the essential oil
• Labiatae plants
• Individual essential oil components
• Satureja cuneifolia
• Rosmarinus officinalis
• Chemical Composition
• The essential oil of Miliusa Baillonii Pierre
• Content of essential oils
• To fresh materials
• Cinnamonum verum
• Synergistic antimicrobial activity
• Cinnamonum verum essential oil
• Antimicrobial efficacy
• Essential oil plants
• Essential oils
• Major and minor components
• Bactericidal and Fungicidal activity
• Essential oils obtained
• Vietnam Journal of Science and Technology
• Modeling studies of Vietnam lemongrass essential oil extraction process
• Lemongrass essential oil
• Response surface methodology
• Box Behnken design
• Tạp chí khoa học và công nghệ
• The essential oil and trans–anethol
• Summer Vietnamese anise star
• Essential oil distillation and trans anethol isolation
• The relative density
• Anise populations
• Pimpinella anisum
• Essential oil content
• Essential oil composition
• Trans anethole
• Synbiotic yogurt supplemented
• Ocimum sanctum essential oil
• Focused primarily
• Develop synbiotic herbal yoghurt
• Steam distillation
• Essential oil yield
• Steam distillation optimizing for lemongrass
• Essential oil extraction process
• Response surface analysis
• Globba pendula
• Cytotoxic activity
• NO inhibitory activity
• Essential oil of globba pendula rhizomes collected
• Oregano essential oil
• Shelf life
• Edible packaging film treated
• Essential oil of oregano
• Shelf life of paneer
• Magnolia coriacea
• Antimicrobial activity
• Nature reserve
• Distichochlamys benenica
• Rhizomes of distichochlamys benenica
• Acetylcholinesterase inhibitory activity of essential oil
• Protein bar
• Sensory acceptability
• Sensory acceptability of protein Bars
• Essential oil incorporation
• Effect of chocolate coating
• Lantana camara L essential oil
• Lantana camara
• Callosobruchus chinensis
• Aegle marmelos
• Aegle marmelos leaves
• Agroforestry system in villages
• Orchidantha vietnamica
• Aerial part
• Hydro distilled essential oil
• Mass Spectroscopy
• Antimicrobial activities of Vietnamese holy basil
• Essential oil against food borne bacteria and fungi
• The bactericidal concentrations
• The holy basil EO
• Holy basil essential oil
• Food preservation
• White turmeric rhizome
• White turmeric rhizomes essential oil
• Agricultural sciences
• Essential oil content of catmint
• Lemon catnip plants
• New cultivated medicinal plants in Egypt
• Agricultural science
• Anti microbial cytotoxicity
• Necrotic ripostes of Pimpinella anisum essential oil
• Bio control
• Anise essential oil
• Handbook of essentional oils
• Sources of essential oils
• Production of essential oils
• Analysis of essential oil
• Safety evaluation of essential oils
• Biological activities of essential oils
• Cinnamomum burmanii
• Antioxidant activity
• Cinnamomum burmannii essential oil
• DPPH free radical method