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Dr. V.S. Rana Division of Agricultural Chemicals Indian Agricultural Research Institute Pusa Campus, New Delhi-12 e-mail address:[email protected]
Training cum workshop on “Essential oil, Perfumery & Aromatherapy ”,
Hotel Connaught, New Delhi on March14, 2015
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Synthetic Natural (Plants and Animals)
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Civetone
Muscone
(Macrocyclic ketone)
Civet, a nocturnal cat, native to tropical Asia and Africa, especially the tropical forests
Musk deer live mainly in southern Asian Himalayas
Glandular products
Animal sources
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Mentha
Lemongrass
Palmarosa
Citronella
Vetiver
Jasmine
Rose
Basil
Patchouli
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Distillation methods Hydrodistillation Steam hydrodistillation Steam distillation
Solvent extraction method Cold pressing Enfleurage Supercritical fluid extraction
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Without organic solvent
Using organic solvents
Drying of oil
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Steam generator
Plant materials
Condenser
Oil collection tank
oil
Condensed water
Water inlet
Water outlet Removable lid
Heating system
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Using soxhlet apparatus
Application
Preparation of concrete and absolute using
organic solvents
Cold extraction
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An absolute is the most concentrated form of fragrance (and the most costly), and is mostly used in the perfume industry
Warming & stirring with alcohol
What is a concrete, resinoid and an absolute?
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Carbon dioxide: Critical temperature= 31.3 degree Celsius and Critical pressure 73 atm)
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SFE Lab scale
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This method is utilized to obtain the
essential oils from the rinds of citrus fruits like lemon, orange, bergamot and grapefruit. The rinds from the fruit are alienated and then they are pressed and outcomes into an essential oil.
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Process that uses odorless fats, solid fat,lard (pork) and tallow (beef) at room temperature to extract the fragrant compounds from the aromatic parts of the plants
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Oil layer
Oil in water
Water layer
Pure Essential Oil
Drying of Oil
Discard, if not useful
Separatory funnel
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