cloves. Introduction By performing steam distillation we can isolate eugenol at lower temperature than its usual boiling point of 248 degree Celsius. Eugenol belongs to a category called essential oil. Many of these compounds are used as flavoring and perfumes and in the past were considered the essence of plant from which they were derived. Structure of eugenol (clove oil) and eugenol acetate: Reagents: Eugenol‚ CH2Cl2‚ Br2‚ FeCl3‚ Methanol Procedure: Co-distillation We first
Premium Distillation Essential oil Solvent
techniques were used to extract a crude‚ eugenol‚ and acetyleugenol product sample. These samples were submitted for GC analysis and the normalization area percents were calculated to confirm their purity; for the crude sample it was 93.95% eugenol and 6.05% acetyleugenol‚ for the eugenol sample it was 100% eugenol and 0% acetyleugenol‚ and for the acetyleugenol sample it was 24.84% eugenol and 75.16% acetyleugenol. The IR spectrum was also found for the eugenol and acetyleguenol products‚ which confirmed
Premium Distillation Chemistry Ethanol
the aromatic hydroxyl compound‚ eugenol from crushed cloves using steam distillation. After conducting the distillation‚ the expected two layers were not visible in the centrifuge tube. Subsequently‚ the extraction and evaporation did not produce the expected oil. This result is probably due to the collection of only water vapor during distillation. From another group’s data‚ 3.80% of the oil was recovered from the cloves in which the major component is eugenol. The IR spectrum obtained is consistent
Premium Water Distillation Evaporation
References: Abdel Bar‚ F.M.‚ Khanfar‚ M.A.‚ Elnagar‚ A.Y.‚ Badria‚ F.A.‚ Zaghloul‚ A.M.‚ Ahmad‚ K.F.‚ . . . ‚ El Sayed‚ K.A. (2010). Design and pharmacophore modeling of biaryl methyl eugenol analogs as breast cancer invasion inhibitors. Bioorganic & Medicinal Chemistry‚ 18‚ 496–507. Aboutabl‚ E.A.‚ El Tohamy‚ S.F.‚ De Footer‚ H.L.‚ & De Buyck‚ L.F. (1991). A comparative study of the essential oils from three Melaleuca species growing
Premium
lavandin‚ allspice‚ ylang-ylang and cananga. 2. Clove leaf is dark brown oil with a crude‚ burnt-woody odour. 3. Clove stem oil is a pale yellow liquid with a strong spicy-woody odour. 1. Bud: 60-90% eugenol‚ eugenol acetate‚ caryophyllene and other minor constituents. 2. Leaf : 82-88% eugenol with little or no
Premium Essential oil
similar to those of composite resins‚ which are tooth-colored materials used for fillings. Composite resins contain quartz (a hard rock-forming mineral)‚ glass‚ silica (a white colorless crystalline compound) and colorants. Zinc Oxide-Eugenol Cement Zinc oxide-eugenol cement can be used to temporarily or permanently cement cast restoration or appliances. The liquid in zinc
Premium Zinc Aluminium Oxygen
split injection from the machine that passed helium gas into the vaporized clove oil to lower the concentration. This is because prior to the the split injection and addition of helium gas‚ the concentration of the clove oil was too high to process. Eugenol and beta- caryophyllene were expected to have a high percent composition as they are the two major components in clove oil. Before the percentages could be determined‚ a new total area from the graph needed to be calculated. This was because a portion
Premium Water Chemistry Oxygen
family Lauraceae‚ a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0.4-0.8% oil‚ which contains 60-80% cinnamaldehyde‚ 4-5% sesquiterpenoids (α-humulene‚ β-caryophyllene‚ limonene and others)‚ eugenol‚ cinnamyl acetate‚ eugenol acetate‚ cinnamyl alcohol‚ methyl eugenol‚ benzaldehyde‚ benzyl benzoate‚ cuminaldehyde‚ monoterpenes (linalool‚ pinene‚ phellandrene and cymene)‚ safrole and others (List and Horhammer; Masada; Ravindran qtd. from Khan and Abourashed‚ 2011). Isolation of
Premium Aldehyde Chemistry Chemical reaction
strong inhibition of plant pathogens‚ Rhizoctonia sp. Botryosphaeria rhodina and two strains of Alternaria sp. (Alternaria sp. (A1) and Alternaria sp. (A2) - tomato wilt fungi) which was mainly due to presence of fungitoxic phenolic compound eugenol. When this eugenol was further subjected to agar diffusion assay it shows strong efficacy against Alternaria sp. (A1) and Penicillium chrysogenum with MIC value 0.16 and 0.31 mg/disc‚ respectively (Faria et al.‚ 2006). The plant fraction and essential oil
Premium Bacteria Immune system Skin
REACTIONS OF HYDROCARBONS Vanessa P. Manibpel De La Salle University - Dasmariñas ABSTRACT Five substances namely Hexane‚ Eugenol‚ Unknown hydrocarbon 1‚ Unknown hydrocarbon 2‚ and Acetylene gas was used for the selective reactivity of hydrocarbons to functional group tests; Bayer’s test‚ Bromine test light‚ Bromine test dark‚ and Tollen’s test. In Bayer’s test‚ only Acetylene‚ Eugenol and Unknown hydrocarbon 2 reacted positively and the rest retain the purplish color of KMnO4. On the other hand‚ the
Premium Hydrocarbon Alkene Functional group