are benzene derivatives. Table 1 shows the important constituents of the more common essential oils. Name Part of plant used Leaf Botanical name Important constituents Uses Lemongrass and citronella Eucalyptus Cymbopogon spp Citral Citronella Terpenes Cineale Citronella Terpenes Eugenol Eugenol Terpenes Linalol Sanatols Myristicin Benzaldehyde Linalol Terpenes Perfumery Disinfectant Leaf Eucalyptus globulus Eucalyptus citriodora Eucalyptus dives Cinnamomum zeylanicum
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grass (Cymbopogon Citratus). Determining the effectiveness of lemon grass as insect repellent is the main goal of the study. Specifically‚ it intends to apply the Steam Distillation Technique in obtaining the natural elements and essential oil of lemon grass such as citral and citronella. Lemon grass is a native herb from temperate and warm regions such as India‚ is widely used in Asian cooking and is an ingredient in many Thai
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com/articles/tanglad.htm June 8‚ 2014 3:00 pm http://lifestyle.iloveindia.com/lounge/health-benefits-of-lemongrass-8952.html June 8‚ 2014 3:44 pm http://healthers.org/lemongrass/ June 8‚ 2014 4:01 pm http://www.hcdconnect.org/stories/basics-of-steam-distillation/ June 8‚ 2014 4:44 pm http://scinet.dost.gov.ph/union/ShowSearchResult.php?s=2&f=&p=&x=&page=&sid=1&id=The+anti-inflammatory+activity+of+tanglad+(%3Cem%3ECymbopogon+citratus%3C%2Fem%3E)+in+mice+and+rats&Mtype=ANALYTICS June 8‚ 2014 5:25 pm http://www
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Investigatory Project Marc Reian Azcune Nicole Cyril Guiller Kireina Saliendras Glendell Bringino Jethro Benedicto Camilla Ricarto Laurence Pido Franz Santos Rhea Legada Rojay Retes ACKNOWLEDGEMENT First of all the researchers would like to thank to their Science teacher Ms. Aira T. Velasquez for teaching them and helping them to do this Investigatory Project also giving us knowledge for us to understand every problem that has made in our I.P. The researchers would like to thank also
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Isolation of the Major Component of Clove Oil Pre-Lab Questions: 1.) Briefly explain the concept of steam distillation. What is the difference between a simple distillation and a steam distillation? When a mixture of two immiscible liquids are distilled it is referred to as codistillation. This process is referred to as steam distillation when one of the liquids is water. This distillation is used to separate organic liquids from natural products and reaction mixtures in which the final product
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"NATURAL PRESERVATIVES" Anthony C. Dweck Research Director‚ Peter Black Medicare Ltd.‚ White Horse Business Park‚ Aintree Avenue‚ Trowbridge‚ Wiltshire‚ UK. BA14 0XB SUMMARY This paper looks at the theoretical development of a natural preservative system using the author’s data base on medicinal plants as a source of references. The legal aspects of this concept are considered. The traditional methods of preservation‚ many taken from the food industry are summarised. The use of alcohol‚ glycerine
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An Assignment on Rice Bran Oil Technology Oil: Oils are esters of glycerol and fatty acid. In other words‚ oils are tri-glycerol ester of fatty acid. Hence ester of glycerol is known as glycerides and fatty acids both are saturated and unsaturated. Oils are liquid at ordinary temperature. Example: Rice bran oil‚ Coconut oil‚ Soybean oil‚ palm oil. Etc. Fats: Fats are same as oil‚ i.e. Fats are esters of glycerol and fatty acid‚ except that fat is solid at ordinary temperature. The melting point
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properties‚ it is necessary to isolate this organic chemical from the other components of cloves. In this experiment‚ eugenol was isolated from a sample of cloves using a series of techniques including steam distillation‚ solvent extraction‚ decantation‚ and evaporation. A simple-steam distillation apparatus was assembled and a mixture of water and cloves distilled to separate the eugenol from other clove components. The use of a solvent‚ Methylene Chloride was then used to isolate the Eugenol‚ and
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as optical rotation and refractive index. In this experiment‚ limonene will be isolated by steam distillation. Normally‚ big molecules such as limonene require very high temperatures to boil. In the presence of water‚ liquids which are immiscible with water tend to boil below its normal boiling point. Steam distillation looks like this: Source: http://mywadud.wordpress.com Normal distillation would require extremely high temperatures and would be more time consuming. Distilling in the
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Purification of Water Domestic: Distillation - In the process of distillation water is heated and evaporation takes place‚ whereby water changes back to water when cooled; this process is called condensation. The condensed water is the purest form of water‚ free from microbes‚ and impurities. Boiling - Boiling is the best and simplest method to purify water. After straining the water twice through clean muslin cloth‚ it is boiled for ten minutes lo kill the microbes present in it and also remove
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